PÅL HALVORSEN's publications ©


    - 2019 -


  1. "Automatic detection of passable roads after floods in remote sensed and social media data"
    Kashif Ahmad, Konstantin Pogorelov, Michael Riegler, Olga Ostroukhova, Pål Halvorsen, Nicola Conci, Rozenn Dahyot
    Signal Processing: Image Communication, Volume 74, May 2019, pp. 110-118
    [DOI: 10.1016/j.image.2019.02.002]

  2. "Social media and satellites - Disaster event detection, linking and summarization"
    Kashif Ahmad, Konstantin Pogorelov, Michael Riegler, Nicola Conci, Pål Halvorsen
    Multimedia Tools and Applications, Volume 78, Issue 3, February 2019, pp. 2837-2875
    [DOI: 10.1007/s11042-018-5982-9]


    - 2018 -


  3. "Methodology to develop machine learning algorithms to improve performance in gastrointestinal endoscopy"
    Thomas de Lange, Pål Halvorsen, Michael Riegler
    World Journal of Gastroenterology, Volume 24. Number 45, December 2018, pp. 5057-5062
    [pdf] [DOI: 10.3748/wjg.v24.i45.5057]

  4. "Efficient Live and on-Demand Tiled HEVC 360 VR Video Streaming" - Best paper award
    Mattis Jeppsson, Håvard N. Espeland, Tomas Kupka, Ragnar Langseth, Andreas Petlund, Peng Qiaoqiao, Chuansong Xue, Konstantin Pogorelov, Michael Riegler, Dag Johansen, Carsten Griwodz, Pål Halvorsen
    Proceeding of IEEE International Symposium on Multimedia (ISM), Taichung, Taiwan, December 2018
    [pdf]

  5. "Tradeoffs using Binary and Multiclass Neural Network Classification for Medical Multidisease Detection"
    Tor Jan Derek Berstad, Michael Alexander Riegler, Konstantin Pogorelov, Håkon Kvale Stensland, Pål Halvorsen
    Proceeding of IEEE International Symposium on Multimedia (ISM), Taichung, Taiwan, December 2018
    [pdf]

  6. "GameStory Task at MediaEval 2018"
    Mathias Lux, Michael Riegler, Duc-Tien Dang-Nguyen, Marcus Larson, Martin Potthast, Pål Halvorsen
    CEUR Workshop Proceedings - Multimedia Benchmark Workshop (MediaEval), Sophia Antipolis, France, October 2018
    [pdf]

  7. "Team ORG @ GameStory Task 2018"
    Mathias Lux, Michael Riegler, Duc-Tien Dang-Nguyen, Marcus Larson, Martin Potthast, Pål Halvorsen
    CEUR Workshop Proceedings - Multimedia Benchmark Workshop (MediaEval), Sophia Antipolis, France, October 2018
    [pdf]

  8. "Deep learning approaches for flood classification and flood aftermath detection"
    Naina Said, Konstantin Pogorelov, Kashif Ahmad, Michael Riegler, Nasir Ahmad, Olga Ostroukhova, Pål Halvorsen, Nicola Conci,
    CEUR Workshop Proceedings - Multimedia Benchmark Workshop (MediaEval), Sophia Antipolis, France, October 2018
    [pdf]

  9. "Medico Multimedia Task at MediaEval 2018"
    Konstantin Pogorelov, Michael Riegler, Pål Halvorsen, Stevem Hicks, Kristin R. Randel, Duc-Tien. Dang-Nguyen, Mathias Lux, Olga Ostroukhova, Thomas de Lange,
    CEUR Workshop Proceedings - Multimedia Benchmark Workshop (MediaEval), Sophia Antipolis, France, October 2018
    [pdf]

  10. "Using preprocessing as a tool in medical image detection"
    Mathias Kirkerød, Vajira Thambawita, Michael Riegler, Pål Halvorsen
    CEUR Workshop Proceedings - Multimedia Benchmark Workshop (MediaEval), Sophia Antipolis, France, October 2018
    [pdf]

  11. "Automatic Hyperparameter Optimization in Keras for the MediaEval 2018 Medico Multimedia Task"
    Rune Borgli, Pål Halvorsen, Michael Riegler, Håkon Stensland
    CEUR Workshop Proceedings - Multimedia Benchmark Workshop (MediaEval), Sophia Antipolis, France, October 2018
    [pdf]

  12. "Transfer learning with prioritized classification and training dataset equalization for medical objects detection"
    Olga Ostroukhova, Konstantin Pogorelov, Michael Riegler, Duc-Tien Dang-Nguyen, Pål Halvorsen
    CEUR Workshop Proceedings - Multimedia Benchmark Workshop (MediaEval), Sophia Antipolis, France, October 2018
    [pdf]

  13. "The 2018 Medico Multimedia Task Submission of Team NOAT using Neural Network Features and Search-based Classification"
    Michael Steiner, Mathias Lux, Pål Halvorsen
    CEUR Workshop Proceedings - Multimedia Benchmark Workshop (MediaEval), Sophia Antipolis, France, October 2018
    [pdf]

  14. "The Medico-Task 2018: Disease Detection in the Gastrointestinal Tract using Global Features and Deep Learning"
    Vajira Thambawita, Debesh Jha, Michael Riegler, Pål Halvorsen, Hugo Hammer, Håvard D. Johansen, Dag Johansen
    CEUR Workshop Proceedings - Multimedia Benchmark Workshop (MediaEval), Sophia Antipolis, France, October 2018
    [pdf]

  15. "Deep Learning Based Disease Detection Using Domain Specific Transfer Learning" - Distinctive Mention award
    Seven Hicks, Pia Smedsrud, Pål Halvorsen, Michael Riegler
    CEUR Workshop Proceedings - Multimedia Benchmark Workshop (MediaEval), Sophia Antipolis, France, October 2018
    [pdf]

  16. "The Importance of Medical Multimedia"
    Michael Riegler, Pål Halvorsen, Bernd Münzer, Klaus Schoeffman
    Proceedings of ACM international conference on Multimedia (ACM MM), Seoul, Republic of Korea, October 2018, pp. 2106-2108
    [DOI: 10.1145/3240508.3241475]

  17. "Flexible Device Sharing in PCIe Clusters using Device Lending"
    Jonas Markussen, Lars B. Kristiansen, Håkon K. Stensland, Friedrich Seifert, Carsten Griwodz, Pål Halvorsen
    Proceedings of the International Conference on Parallel Processing Companion (ICPP comp) - the International Workshop on Scheduling and Resource Management for Parallel and Distributed Systems (SRMPDS), Eugene, OR, USA August 2018, Article No. 48
    [pdf] [DOI: 10.1145/3229710.3229759]

  18. "Dynamic Adaption of Multimedia Presentations for Video Conferencing in Application Mobility"
    Francisco Javier Velazquez-Garcia, Pål Halvorsen, Håkon Kvale Stensland and Frank Eliassen
    Proceedings of IEEE International Conference on Multimedia and Expo (ICME), San Diego, CA, USA, July 2018
    [pdf] [DOI: ]

  19. "Autonomic adaptation of multimedia presentations adhering to application mobility"
    Francisco Javier Velazquez-Garcia, Pål Halvorsen, Håkon Kvale Stensland and Frank Eliassen
    Proceedings of IFIP International Conference on Distributed Applications and Interoperable Systems (DAIS), Madrid, Spain, June 2018
    [pdf] [DOI: 10.1007/978-3-319-93767-0_11]

  20. "Quantified Soccer Using Positional Data: A Case Study"
    Svein A. Pettersen1, Håvard D. Johansen, Ivan A. M. Baptista, Pål Halvorsen, Dag Johansen
    Frontiers in Physiology, Vol. 9, July 2018
    [DOI: 10.3389/fphys.2018.00866]

  21. "Deep Learning and Hand-crafted Feature Based Approaches for Polyp Detection in Medical Videos" - Best paper award
    Konstantin Pogorelov, Olga Ostroukhova, Mattis Jeppsson, Håvard Espeland, Carsten Griwodz, Thomas de Lange, Dag Johansen, Michael Riegler, Pål Halvorsen
    Proceedings of International Symposium on Computer-Based Medical Systems (CBMS), Karlstad, Sweden, June 2018
    [pdf]

  22. "Dissecting Deep Neural Networks for Better Medical Image Classification and Classification Understanding"
    Steven Alexander Hicks, Michael Riegler, Konstantin Pogorelov, Kim V. Ånonsen,Thomas de Lange, Dag Johansen, Mattis Jeppsson, Kristin Ranheim Randel, Sigrun Eskeland, Pål Halvorsen,
    Proceedings of International Symposium on Computer-Based Medical Systems (CBMS), Karlstad, Sweden, June 2018
    [pdf]

  23. "Mimir: An Automatic Reporting and Reasoning System for DeepLearning based Analysis in the Medical Domain"
    Steven Alexander Hicks, Sigrun Eskeland, Mathias Lux, Thomas de Lange, Kristin Ranheim Randel, Mattis Jeppsson, Konstantin Pogorelov, Pål Halvorsen, Michael Riegler,
    Proceedings of ACM Multimedia Systems (MMSYS), Amsterdam, The Netherlands, June 2018
    [pdf] [DOI: 10.1145/3204949.3208129]

  24. "Comprehensible Reasoning and Automated Reporting of Medical Examinations Based on Deep Learning Analysis"
    Steven Alexander Hicks, Konstantin Pogorelov, Mathias Lux, Mattis Jeppsson, Kristin Ranheim Randel, Thomas de Lange, Sigrun Eskeland, Pål Halvorsen, Michael Riegler,
    Proceedings of ACM Multimedia Systems (MMSYS), Amsterdam, The Netherlands, June 2018
    [pdf] [DOI: 10.1145/3204949.3208113]

  25. "OpenSea - Open Search Based Classification Tool"
    Konstantin Pogorelov Zeno Albisser Olga Ostroukhova, Mathias Lux, Dag Johansen, Pål Halvorsen, Michael Riegler,
    Proceedings of ACM Multimedia Systems (MMSYS), Amsterdam, The Netherlands, June 2018
    [pdf] [DOI: 10.1145/3204949.3208128]

  26. "PopSift: a faithful SIFT implementation for real-time applications"
    Carsten Griwodz, Lilian Calvet, Pål Halvorsen,
    Proceedings of ACM Multimedia Systems (MMSYS), Amsterdam, The Netherlands, June 2018
    [pdf] [DOI: 10.1145/3204949.3208136]

  27. "Camera Synchronization for Panoramic Videos" (book chapter)
    Vamsidhar R. Gaddam, Ragnar Langseth, Håkon K. Stensland, Carsten Griwodz, Michael Riegler, Tomas Kupka, Håvard Espeland, Dag Johansen, Håvard D. Johansen, Pål Halvorsen
    In: Mario Montagud, Pablo Cesar, Fernando Boronat, Jack Jansen (eds), MediaSync, Springer, 2018, pp 565-592
    [pdf] [DOI: 10.1007/978-3-319-65840-7_20]

  28. "Deep Learning and Handcrafted Feature Based Approaches for Automatic Detection of Angiectasia"
    Konstantin Pogorelov, Olga Ostroukhova, Andreas Petlund, Pål Halvorsen, Thomas de Lange, Håvard Nygaard Espeland, Tomas Kupka, Carsten Griwodz and Michael Riegler
    Proceeding of the IEEE International Conference on Biomedical and Health Informatics (BHI), Las Vegas, USA, March 2018
    [pdf]

  29. "Automatic Detection of Angiectasia: Evaluation of Deep Learning and Handcrafted Approaches"
    Konstantin Pogorelov, Olga Ostroukhova, Andreas Petlund, Carsten Griwodz, Pål Halvorsen, Thomas de Lange, Håvard Nygaard Espeland, Tomas Kupka and Michael Riegler
    Proceeding of the IEEE International Conference on Biomedical and Health Informatics (BHI), Las Vegas, USA, March 2018
    [pdf]

  30. "Multimodal analysis of user behavior and browsed content under different image search intents"
    Mohammad Soleymani, Michael Riegler, Pål Halvorsen
    International Journal of Multimedia Information Retrieval, Volume 7, Issue 1, March 2018, pp 29–41
    [DOI: 10.1007/s13735-018-0150-6]


    - 2017 -


  31. "Efficient disease detection in gastrointestinal videos - global features versus neural networks"
    Konstantin Pogorelov, Michael Riegler, Sigrun Losada Eskeland, Thomas de Lange, Dag Johansen, Carsten Griwodz, Peter Thelin Schmidt, Pål Halvorsen
    Multimedia Tools and Applications, November 2017, Volume 76, Issue 21, pp. 22493-22525
    [pdf] [DOI: 10.1007/s11042-017-4989-y]

  32. "Medical Multimedia Information Systems (MMIS)"
    Klaus Schöffmann, Bernd Münzer, Michael Riegler, Pål Halvorsen
    Proceedings of ACM Multimedia (ACM MM), Mountain View, California, USA, October 2017, pp. 1957-1958
    [pdf] [DOI: 10.1145/3123266.3130142]

  33. "CNN and GAN Based Satellite and Social Media Data Fusion for Disaster Detection"
    Kashif Ahmad, Konstantin Pogorelov, Michael Riegler, Nicola Conci, Pål Halvorsen
    CEUR Workshop Proceedings - Multimedia Benchmark Workshop (MediaEval), Vol-1984, September 2017, Dublin, Ireland
    [pdf]

  34. "A Comparison of Deep Learning with Global Features for Gastrointestinal Disease Detection"
    Konstantin Pogorelov, Michael Riegler, Pål Halvorsen, Carsten Griwodz, Thomas de Lange, Kristin Ranheim Randel, Sigrun Losada Eskeland, Duc-Tien Dang-Nguyen, Olga Ostroukhova, Mathias Lux, Concetto Spampinato
    CEUR Workshop Proceedings - Multimedia Benchmark Workshop (MediaEval), Vol-1984, September 2017, Dublin, Ireland
    [pdf]

  35. "Multimedia for Medicine: The Medico Task at MediaEval 2017"
    Michael Riegler, Konstantin Pogorelov, Pål Halvorsen, Kristin Ranheim Randel, Sigrun Losada Eskeland, Duc-Tien Dang-Nguyen, Mathias Lux, Carsten Griwodz, Concetto Spampinato, Thomas de Lange
    CEUR Workshop Proceedings - Multimedia Benchmark Workshop (MediaEval), Vol-1984, September 2017, Dublin, Ireland
    [pdf]

  36. "A Holistic Multimedia System for Gastrointestinal Tract Disease Detection"
    Konstantin Pogorelov, Sigrun L. Eskeland, Thomas de Lange, Carsten Griwodz, Kristin Ranheim, Håkon Kvale Stensland, Duc-Tien Dang-Nguyen, Concetto Spampinato, Dag Johansen, Michael Riegler, Pål Halvorsen
    Proceedings of ACM Multimedia Systems (MMSYS), Taipei, Taiwan, June 2017, pp. 112-123
    [DOI: 10.1145/3083187.3083189]

  37. "Load Balancing of Multimedia Workloads for Energy Efficiency on the Tegra K1 Multicore Architecture"
    Kristiffer Robin Stokke, Håkon Kvale Stensland, Carsten Griwodz, Pål Halvorsen
    Proceedings of ACM Multimedia Systems (MMSYS), Taipei, Taiwan, June 2017, pp. 124-135
    [DOI: 10.1145/3083187.3083195]

  38. "Kvasir: A Multi-Class Image-Dataset for Computer Aided Gastrointestinal Disease Detection"
    Konstantin Pogorelov, Kristin Ranheim, Carsten Griwodz, Thomas de Lange, Sigrun L. Eskeland, Dag Johansen, Concetto Spampinato, Duc-Tien Dang-Nguyen, Mathias Lux, Peter T. Schmidt, Michael Riegler, Pål Halvorsen
    Proceedings of ACM Multimedia Systems (MMSYS), Taipei, Taiwan, June 2017, pp. 164-169
    [DOI: 10.1145/3083187.3083212] [Dataset]

  39. "Nerthus: A Bowel Preparation Quality Video Dataset"
    Konstantin Pogorelov, Kristin Ranheim, Thomas de Lange, Sigrun L. Eskeland, Dag Johansen, Carsten Griwodz, Concetto Spampinato, Mario Taschwer, Mathias Lux, Peter T. Schmidt, Michael Riegler, Pål Halvorsen
    Proceedings of ACM Multimedia Systems (MMSYS), Taipei, Taiwan, June 2017, pp. 170-174
    [DOI: 10.1145/3083187.3083216] [Dataset]

  40. "Finding equilibrium for gym ownership distribution based on game dynamics in Pokemon GO"
    Iffat Ahmed, Michael Riegler, Andreas Petlund, Carsten Griwodz, Pål Halvorsen
    Proceedings of ACM International Workshop on Massively Multiuser Virtual Environments (MMVE), Taipei, Taiwan, June 2017, pp. 1-6
    [DOI: 10.1145/3083207.3083208]

  41. "JORD: A System for Collecting Information and Monitoring Natural Disasters by Linking Social Media with Satellite Imagery"
    Kashif Ahmad, Michael Riegler, Konstantin Pogorelov Nicola Conci, Pål Halvorsen, Francesco De Natale
    Proceedings of the ACM International Workshop on Content-Based Multimedia Indexing (CBMI), June 2017, Articl2 no. 12
    [DOI: 10.1145/3095713.3095726]

  42. "Multimodal Analysis of Image Search Intent - Intent Recognition in Image Search from User Behavior and Visual Content"
    Mohammad Soleymani, Michael Riegler, Pål Halvorsen
    Proceedings of the ACM International Conference on Multimedia Retrieval (ICMR), Bucharest, Romania, June 2017. pp. 251-259
    [DOI: 10.1145/3078971.3078995]

  43. "ClusterTag: Interactive Visualization, Clustering and Tagging Tool for Big Image Collections"
    Konstantin Pogorelov, Michael Riegler, Pål Halvorsen, Carsten Griwodz
    Proceedings of the ACM International Conference on Multimedia Retrieval (ICMR), Bucharest, Romania, June 2017, pp. 112-116
    [DOI: 10.1145/3078971.3079018]

  44. "LireSolr - A Visual Information Retrieval Server"
    Mathias Lux, Michael Riegler, Pål Halvorsen
    Proceedings of the ACM International Conference on Multimedia Retrieval (ICMR), Bucharest, Romania, June 2017, pp. 466-469
    [DOI: 10.1145/3078971.3079014]

  45. "The JORD System - Linking sky and social multimedia data to Natural and Technological Disasters"
    Kashif Ahmad, Michael Riegler, Ans Riaz, Nicola Conci, DDuc-Tien Dang-Nguyen, Pål Halvorsen
    Proceedings of the ACM International Conference on Multimedia Retrieval (ICMR), Bucharest, Romania, June 2017, pp. 461-465
    [DOI: 10.1145/3078971.3079013]

  46. "From Annotation to Computer Aided Diagnosis: Detailed Evaluation of a Medical Multimedia System"
    Michael Riegler, Konstantin Pogorelov, Sigrun L. Eskeland, Zeno Albisser, Dag Johansen, Carsten Griwodz, Peter T. Schmidt, Thomas de Lange and Pål Halvorsen
    ACM Transactions on Multimedia Computing Communications and Applications, Vol. 13, No. 3, May 2017, Article no. 26
    [DOI: 10.1145/3079765]

  47. "EIR: changing the scene of automatic detection software for gastrointestinal endoscopy" (poster)
    Sigrun Losada Eskeland, Lars Aabakken, Michael Alexander Riegler, Peter Thelin Schmidt, Dag Johansen, Pål Halvorsen, Thomas de Lange
    World Congress of GI Endoscopy (Endo 2017), Hyderabad, India, February 2017


    - 2016 -


  48. "ChaLearn Joint Contest on Multimedia Challenges Beyond Visual Analysis: An Overview"
    Hugo Jair Escalante, Victor Ponce-Lopez, Jun Wan, Michael A. Riegler, Baiyu Chen, Albert Clapes, Sergio Escalera, Isabelle Guyon, Xavier Baro, Pål Halvorsen, Henning Müller and Martha Larson
    Proceedings of International Conference on Pattern Recognition (ICPR) workshops, Cancun, Mexico, December 2016

  49. "Multimedia and Medicine: Teammates for Better Disease Detection and Survival"
    Michael Riegler, Mathias Lux, Carsten Griwodz,Concetto Spampinato, Thomas de Lange, Sigrun L. Eskeland, Konstantin Pogorelov†, Wallapak Tavanapong, Peter T. Schmidt, Cathal Gurrin, Dag Johansen, Håvard Johansen, Pål Halvorsen
    Proceedings of ACM Multimedia (ACM MM), Amsterdam, The Netherlands, October 2016, pp. 968-977
    [pdf] [DOI: 10.1145/2964284.2976760] [slides]

  50. "OpenVQ - A Video Quality Assessment Toolkit"
    Kristian Skarseth, Henrik Bjørlo, Pål Halvorsen, Michael Riegler, Carsten Griwodz
    Proceedings of ACM Multimedia (ACM MM), Amsterdam, The Netherlands, October 2016, pp. 1197-1200
    [pdf] [DOI: 10.1145/2964284.2973800]

  51. "Simula @ MediaEval 2016 Context of Experience Task"
    Konstantin Pogorelov, Michael Riegler, Pål Halvorsen, Carsten Griwodz
    Proceedings of CEUR MediaEval Workshop, Hilversum, The Netherlands, October 2016
    [pdf]

  52. "The MediaEval 2016 Context of Experience Task: Recommending Videos Suiting a Watching Situation "
    Michael Riegler, Concetto Spampinato, Martha Larson, Carsten Griwodz, Pål Halvorsen
    Proceedings of CEUR MediaEval Workshop, Hilversum, The Netherlands, October 2016
    [pdf]

  53. "Tiling in Interactive Panoramic Video: Approaches and Evaluation"
    Vamsidhar Reddy Gaddam, Michael Riegler, Ragnhild Eg, Carsten Griwodz, Pål Halvorsen
    IEEE Transactions on Multimedia, Vol. 18, No. 9, Sept. 2016, pp. 1819-1831
    [pdf] [DOI: 10.1109/TMM.2016.2586304]

  54. "High-Precision Power Modelling of the Tegra K1 Variable SMP Processor Architecture"
    Kristoffer Robin Stokke, Håkon Kvale Stensland, Pål Halvorsen, Carsten Griwodz
    Proceedings of the IEEE International Symposium on Embedded Multicore/Many-core Systems-on-Chip (MCSoC), Lyon, France, September 2016, pp. 193-200
    [pdf] [DOI: 10.1109/MCSoC.2016.28]

  55. "GPU-accelerated Real-time Gastrointestinal Diseases Detection"
    Konstantin Pogorelov, Michael Riegler, Pål Halvorsen, Peter Thelin Schmidt, Carsten Griwodz, Dag Johansen, Sigrun Losada Eskeland, Thomas de Lange
    Proceedings of the International Symposium on Computer-Based Medical Systems (CBMS), Dublin, Ireland/Belfast, Northern Ireland, June 2016
    [pdf] [DOI: 10.1109/CBMS.2016.63]

  56. "EIR - Efficient Computer Aided Diagnosis Framework for Gastrointestinal Endoscopies"
    Michael Riegler, Konstantin Pogorelov, Pål Halvorsen, Thomas de Lange, Carsten Griwodz, Peter Thelin Schmidt, Sigrun Losada Eskeland, Dag Johansen
    Proceedings of the International Workshop on Content-based Multimedia Indexing (CBMI), Bucharest, Romania, June 2016
    [pdf] [DOI: 10.1109/CBMI.2016.7500257]

  57. "Explorative Hyperbolic-Tree-Based Clustering Tool for Unsupervised Knowledge Discovery"
    Michael Riegler, Konstantin Pogorelov, Mathias Lux, Pål Halvorsen, Carsten Griwodz, Sigrun Losada Eskeland, Thomas de Lange
    Proceedings of the International Workshop on Content-based Multimedia Indexing (CBMI), Bucharest, Romania, June 2016
    [pdf] [DOI: 10.1109/CBMI.2016.7500271]

  58. "Crowdsourcing as Self Fulfilling Prophecy: Influence of Discarding Workers in Subjective Assessment Tasks"
    Michael Riegler, Vamsidhar Reddy Gaddam, Martha Larson, Ragnhild Eg, Pål Halvorsen, Carsten Griwodz
    Proceedings of the International Workshop on Content-based Multimedia Indexing (CBMI), Bucharest, Romania, June 2016
    [pdf] [DOI: 10.1109/CBMI.2016.7500256]

  59. "Device Lending in PCI Express Networks"
    Lars Bjørlykke Kristiansen, Jonas Markussen, Håkon Kvale Stensland, Michael Riegler, Hugo Kohmann, Friedrich Seifert, Roy Nordstrøm, Carsten Griwodz, Pål Halvorsen
    Proceedings of the ACM Workshop on Network and Operating Systems Support for Digital Audio and Video (NOSSDAV), Klagenfurt am Wörthersee, Austria, May 2016
    [DOI: 10.1145/2910642.2910650]

  60. "Heimdallr: A Dataset for Sport Analysis"
    Michael Riegler, Duc-Tien Dang-Nguyen, Bård Winther, Carsten Griwodz, Konstantin Pogorelov, Pål Halvorsen
    Proceedings of the ACM Multimedia Systems Conference (MMSys), Klagenfurt am Wörthersee, Austria, May 2016
    [DOI: 10.1145/2910017.2910621]

  61. "Right inflight?: a dataset for exploring the automatic prediction of movies suitable for a watching situation"
    Michael Riegler, Martha Larson, Concetto Spampinato, Pål Halvorsen, Mathias Lux, Jonas Markussen, Konstantin Pogorelov, Carsten Griwodz, Håkon Stensland
    Proceedings of the ACM Multimedia Systems Conference (MMSys), Klagenfurt am Wörthersee, Austria, May 2016
    [DOI: 10.1145/2910017.2910619]

  62. "A High-Precision, Hybrid GPU, CPU and RAM Power Model for Generic Multimedia Workloads"
    Kristoffer Robin Stokke, Håkon Kvale Stensland, Carsten Griwodz, Pål Halvorsen
    Proceedings of the ACM Multimedia Systems Conference (MMSys), Klagenfurt am Wörthersee, Austria, May 2016
    [DOI: 10.1145/2910017.2910591]

  63. "Robustness of 3D Point Positions to Camera Baselines in Markerless AR Systems"
    Deepak Dwarakanath, Carsten Griwodz, Pål Halvorsen
    Proceedings of the ACM Multimedia Systems Conference (MMSys), Klagenfurt am Wörthersee, Austria, May 2016
    [pdf] [DOI: 10.1145/2910017.2910611]

  64. "Efficient Processing of Videos in a Multi Auditory Environment Using Device Lending of GPUs"
    Konstantin Pogorelov, Michael Riegler, Jonas Markussen, Hålkon Kvale Stensland, Pål Halvorsen, Carsten Griwodz, Sigrun Losada Eskeland, Thomas de Lange
    Proceedings of the ACM Multimedia Systems Conference (MMSys), Klagenfurt am Wörthersee, Austria, May 2016
    [DOI: 10.1145/2910017.2910636]

  65. "Immersed gaming in Minecraft"
    Milan Loviska, Otto Krause, Herman A. Engelbrecht, Jason B. Nel, Gregor Schiele, Alwyn Burger, Stephan Schmeisser, Christopher Cichiwskyj, Lilian Calvet, Carsten Griwodz, Pål Halvorsen
    Proceedings of the ACM Multimedia Systems Conference (MMSys), Klagenfurt am Wörthersee, Austria, May 2016
    [DOI: 10.1145/2910017.2910632]

  66. "LIRE - Open Source Visual Information Retrieval"
    Mathias Lux, Michael Riegler, Pål Halvorsen, Konstantin Pogorelov, Nektarios Anagnostopoulos
    Proceedings of the ACM Multimedia Systems Conference (MMSys), Klagenfurt am Wörthersee, Austria, May 2016
    [DOI: 10.1145/2910017.2910630]

  67. "Computer Aided Disease Detection System for Gastrointestinal Examinations"
    Michael Riegler, Konstantin Pogorelov, Jonas Markussen, Mathias Lux, Håkon Kvale Stensland, Thomas de Lange, Carsten Griwodz, Pål Halvorsen, Dag Johansen, Peter Thelin Schmidt, Sigrun L. Eskeland
    Proceedings of the ACM Multimedia Systems Conference (MMSys), Klagenfurt am Wörthersee, Austria, May 2016
    [DOI: 10.1145/2910017.2910629]

  68. "Proceedings of the 8th International Workshop on Mobile Video (MoVid'16)"
    Qi Han, Pål halvorsen (EDS.)
    ACM, ISBN: 978-1-4503-4356-5
    [ACM DL]

  69. "A High Precision Power Model for the Tegra K1 CPU, GPU and RAM" (poster)
    Kristoffer Robbin Stokke, Håkon Kvale Stensland, Pål Halvorsen, Carsten Griwodz
    Nvidia GPU Technology Conference 2016, Silicon Valley, CA, USA, March 2016
    [Poster]


    - 2015 -


  70. "TADA: An Active Measurement Tool for Automatic Detection of AQM"
    Minoo Kargar Bideh, Andreas Petlund, Carsten Griwodz, Iffat Ahmed, Pål Halvorsen, Razieh Behjati, Anna Brunstrom, and Stefan Alfredsson
    Proceedings of International Conference on Performance Evaluation Methodologies and Tools (Valuetools), Berlin, Germany, December 2015
    [DOI: 10.4108/eai.14-12-2015.2262684]

  71. "Latency and Fairness Trade-Off for Thin Streams Using Redundant Data Bundling in TCP"
    Bendik R. Opstad, Jonas Markussen, Iffat Ahmed, Andreas Petlund, Carsten Griwodz, and Pål Halvorsen
    Proceedings of the IEEE Conference on Local Computer Networks (LCN), FL, USA, October 2015
    [DOI: 10.1109/LCN.2015.7366322]

  72. "Why Design Matters - Crowdsourcing of Complex Tasks"
    Bård Winther, Michael Riegler, Lilian Calvet, Carsten Griwodz, Pål Halvorsen
    Proceedings of the ACM International Workshop on Crowdsourcing for Multimedia (CrowdMM), Brisbane, Australia, October 2015
    [DOI: 10.1145/2810188.2810190]

  73. "Why Race-to-Finish is Energy-Inefficient for Continuous Multimedia Workloads"
    Kristoffer Robin Stokke, Håkon Kvale Stensland, Pål Halvorsen, and Carsten Griwodz
    Proceedings of the IEEE International Symposium on Embedded Multicore/Many-core Systems-on-Chip (MCSoC), Turin, Italy, September 2015
    [DOI: 10.1109/MCSoC.2015.20]

  74. "Introduction to a Task on Context of Experience: Recommending Videos Suiting a Watching Situation"
    Michael Riegler, Concetto Spampinato, Martha Larson, Jonas Markussen, Pål Halvorsen, Carsten Griwodz
    Proceedings of MediaEval Benchmarking Initiative for Multimedia Evaluation, Wurzen, Germany, September 2015

  75. "An Experimental Evaluation of Debayering Algorithms on GPUs for Recording Panoramic Video in Real-time"
    Ragnar Langseth, Vamsidhar Reddy Gaddam, Håkon Kvale Stensland, Carsten Griwodz, Dag Johansen, Pål Halvorsen
    International Journal of Multimedia Data Engineering and Management (IJMDEM), Vol. 6, No. 3, 2015, pp. 1-16
    [DOI: 10.4018/ijmdem.2015070101]

  76. "Using a Commodity Hardware Video Encoder for Interactive Applications"
    Håkon Kvale Stensland, Martin Alexander Wilhelmsen, Vamsidhar Reddy Gaddam, Asgeir Mortensen, Ragnar Langseth, Carsten Griwodz, Pål Halvorsen
    International Journal of Multimedia Data Engineering and Management (IJMDEM), Vol. 6, No. 3, 2015, pp. 17-31
    [DOI: 10.4018/ijmdem.2015070102]

  77. "Online Re-calibration for Robust 3D Measurement Using Single Camera-PantoInspect Train Monitoring System"
    Deepak Dwarakanath, Carsten Griwodz, Pål Halvorsen, Jacob Lildballe
    Proceedings of the International Conference on Computer Vision Systems (ICVS) - Lecture Notes in Computer Science Volume 9163, Copenhagen, Denmark, July 2015
    [DOI: 10.1007/978-3-319-20904-3_45]

  78. "Tiling of Panorama Video for Interactive Virtual Cameras: Overheads and Potential Bandwidth Requirement Reduction"
    Vamsidhar Reddy Gaddam, Hoang Bao Ngo, Ragnar Langseth, Carsten Griwodz, Dag Johansen, Pål Halvorsen
    Proceedings of the International Packet Video Workshop (PV), Cairns, Australia, May/June 2015
    [pdf] [DOI: 10.1109/PCS.2015.7170076]

  79. "Cache-Centric Video Recommendation: An Approach to Improve the Efficiency of YouTube Caches"
    Dilip Kumar Krishnappa, Michael Zink, Carsten Griwodz, Pål Halvorsen
    ACM Transactions on Multimedia Computing, Communications and Applications (TOMM), Vol. 11, No. 4, April 2015, Article no. 48
    [DOI: 10.1145/2716310]

  80. "The Cameraman Operating My Virtual Camera Is Artificial: Can The Machine Be As Good As A Human?"
    Vamsidhar Reddy Gaddam, Ragnhild Eg, Ragnar Langseth, Carsten Griwodz, Pål Halvorsen
    ACM Transactions on Multimedia Computing, Communications and Applications (TOMM), Vol. 11, No. 4, April 2015, Article no. 56
    [pdf] [DOI: 10.1145/2744411]

  81. "Playing Around the Eye Tracker - A Serious Game Based Dataset"
    Michael Riegler, Ragnhild Eg, Lilian Calvet, Pål Halvorsen, Carsten Griwodz
    Proceedings of the International Workshop on Gamification for Information Retrieval (GamifIR) - CEUR Workshop Proceedings, Vienna, Austria, March 2015

  82. "A Logical Memory Model for Scaling Parallel Multimedia Workloads"
    Preben N. Olsen, Martin Nyhus, Pål Halvorsen, Carsten Griwodz
    Proceedings of the ACM Workshop on Network and Operating Systems Support for Digital Audio and Video (NOSSDAV), Portland, OR, USA, March 2015
    [pdf] [DOI: 10.1145/2736084.2736096]

  83. "Exploitation of Producer Intent in Relation to Bandwidth and QoE for Online Video Streaming Services"
    Michael Riegler, Lilian Calvet, Amandine Calvet, Pål Halvorsen, Carsten Griwodz
    Proceedings of the ACM Workshop on Network and Operating Systems Support for Digital Audio and Video (NOSSDAV), Portland, OR, USA, March 2015, pp. 7-12
    [pdf] [DOI: 10.1145/2736084.2736095]

  84. "Energy Efficient Continuous Multimedia Processing Using the Tegra K1 Mobile SoC" (short)
    Kristoffer Robin Stokke, Håkon Kvale Stensland, Carsten Griwodz, Pål Halvorsen
    Proceedings of the ACM Workshop on Mobile Video (MoVid), Portland, OR, USA, March 2015, pp. 15-16
    [pdf] [DOI: 10.1145/2727040.2727044]

  85. "Scaling virtual camera services to a large number of users" (demo)
    Vamsidhar Reddy Gaddam, Ragnar Langseth, Håkon Kvale Stensland Carsten Griwodz, Dag Johansen, Pål Halvorsen
    Proceedings of the ACM Multimedia Systems Conference (MMSys), Portland, OR, USA, March 2015, pp. 93-96
    [pdf] [DOI: 10.1145/2713168.2713189]

  86. "Energy Efficient Video Encoding Using the Tegra K1 Mobile Processor" (demo)
    Kristoffer Robin Stokke, Håkon Kvale Stensland, Carsten Griwodz, Pål Halvorsen
    Proceedings of the ACM Multimedia Systems Conference (MMSys), Portland, OR, USA, March 2015, pp. 81-84
    [pdf] [DOI: 10.1145/2713168.2713186]

  87. "Expert Driven Semi-Supervised Elucidation Tool for Medical Endoscopic Videos" (demo)
    Zeno Albisser, Michael Riegler, Pål Halvorsen, Jiang Zhou, Carsten Griwodz, Ilangko Balasingham, Cathal Gurrin
    Proceedings of the ACM Multimedia Systems Conference (MMSys), Portland, OR, USA, March 2015, pp. 73-76
    [pdf] [DOI: 10.1145/2713168.2713184]

  88. "Energy and Performance Optimization of a Simple Video Encoder on the Jetson­TK1" (poster)
    Kristoffer Robin Stokke, Håkon Kvale Stensland, Pål Halvorsen
    Nvidia GPU Technology Conference 2015, Silicon Valley, CA, USA, March 2015
    [pdf]

  89. "Audiovisual Robustness: Exploring Perceptual Tolerance to Asynchrony and Quality Distortion"
    Ragnhild Eg, Carsten Griwodz, Pål Halvorsen, Dawn Marie Behne
    Multimedia Tools and Applications, Vol. 74, No. 2, 2015 pp. 345365
    [pdf] [DOI: 10.1007/s11042-014-2136-6]

  90. "Proceedings of the 7th ACM International Workshop on Mobile Video (MOVID'15)"
    Pål Halvorsen, Nikil Dutt (EDS.)
    ACM, ISBN 978-1-4503-3353-5, March 2015
    [ACM DL]


    - 2014 -


  91. "An Evaluation of Debayering Algorithms on GPU for Real-Time Panoramic Video Recording"
    Ragnar Langseth, Vamsidhar Reddy Gaddam, Håkon Kvale Stensland, Carsten Griwodz, Pål Halvorsen
    Proceedings of the IEEE International Symposium on Multimedia (ISM 2014), Taichung, Taiwan, December 2014
    [pdf]

  92. "Using a Commodity Hardware Video Encoder for Interactive Video Streaming" (short)
    Martin Alexander Wilhelmsen, Håkon Kvale Stensland, Vamsidhar Reddy Gaddam, Asgeir Mortensen, Ragnar Langseth, Carsten Griwodz, Pål Halvorsen
    Proceedings of the IEEE International Symposium on Multimedia (ISM 2014), Taichung, Taiwan, December 2014
    [pdf]

  93. "Automatic Real-Time Zooming and Panning on Salient Objects From a Panoramic Video" (demo)
    Vamsidhar Reddy Gaddam, Ragnar Langseth, Håkon Kvale Stensland Carsten Griwodz, Pål Halvorsen, Øystein Landsverk
    Proceedings of the ACM International Conference on Multimedia (ACM MM), Orlando, FL, USA, November 2014, pp. 725-726
    [pdf]

  94. "Real-Time HDR Panorama Video" (short)
    Lorenz Kellerer, Vamsidhar Reddy Gaddam, Ragnar Langseth, Håkon Kvale Stensland Carsten Griwodz, Dag Johansen, Pål Halvorsen
    Proceedings of the ACM International Conference on Multimedia (ACM MM), Orlando, FL, USA, November 2014, pp. 1205-1208
    [pdf]

  95. "Event Understanding in Endoscopic Surgery Videos"
    Mario Guggenberger, Michael Riegler, Mathias Lux, Pål Halvorsen
    Proceedings of the ACM International Workshop on Human Centered Event Understanding from Multimedia (HuEvent), Orlando, FL, USA, November 2014 pp. 17-22
    [DOI: 10.1145/2660505.2660509]

  96. "Work Like a Bee-Taking Advantage of Diligent Crowdsourcing Workers"
    Michael Riegler, Preben N. Olsen, Pål Halvorsen
    Proceedings of the MediaEval 2014 Workshop, Barcelona, Spain, October 2014

  97. "Adaptive Media Streaming to Mobile Devices: Challenges, Enhancements, and Recommendations"
    Kristian Evensen, Tomas Kupka, Haakon Riiser, Pengpeng Ni, Ragnhild Eg, Carsten Griwodz, Pål Halvorsen
    Advances in Multimedia, Vol. 2014, Article ID 805852, September 2014
    [pdf] [DOI: 10.1155/2014/805852]

  98. "Processing Panorama Video in Real-time"
    Håkon Kvale Stensland, Vamsidhar Reddy Gaddam, Marius Tennøe, Espen O. Helgedagsrud, Mikkel Næss, Henrik Kjus Alstad, Carsten Griwodz, Pål Halvorsen, Dag Johansen
    International Journal of Semantic Computing, Vol. 8, No. 209, September 2014
    [pdf] [DOI: 10.1142/S1793351X14400054]

  99. "Analysis of SR ARQ Delays Using Data-bundling over Markov Channels"
    Iffat Ahmed, Leonardo Badia, Andreas Petlund, Carsten Griwodz, Pål Halvorsen
    Proceedings of the IEEE Symposium on Computers and Communications (ISCC), Madeira Portugal, June 2014
    [pdf]

  100. "Study the Effects of Camera Mis-alignment on 3D Measurements for Efficient Design of Vision-based Inspection Systems"
    Deepak Dwarakanath, Carsten Griwodz, Pål Halvorsen, Jacob Lildballe
    Proceedings of the Hellenic Conference on Artificial Intelligence (SETN) - Lecture Notes in Computer Science Volume 8445, Ioannina, Greece, May 2014, pp 150-163
    [pdf]

  101. "Performance and Application of the NVIDIA NVENC H.264Encoder" (poster)
    Martin Alexander Wilhelmsen, Håkon Kvale Stensland, Vamsidhar Reddy Gaddam, Pål Halvorsen, Carsten Griwodz
    Web-site of the GPU Technology Conference, San Jose, CA, USA, March 2014
    [pdf, web-site]

  102. "Soccer Video and Player Position Dataset"
    Svein Arne Pettersen, Dag Johansen, Håvard Johansen, Vegard Berg-Johansen Vamsidhar Reddy Gaddam, Asgeir Mortensen, Ragnar Langseth, Carsten Griwodz, Håkon Kvale Stensland, Pål Halvorsen
    Proceedings of the International Conference on Multimedia Systems (MMSys), Singapore, March 2014, pp. 18-23
    [pdf] [DOI: 10.1145/2557642.2563677]

  103. "Be Your Own Cameraman: Real-Time Support for Zooming and Panning into Stored and Live Panoramic Video"
    Vamsidhar Reddy Gaddam, Ragnar Langseth, Håkon Kvale Stensland, Pierre Gurdjos, Vincent Charvillat, Carsten Griwodz, Dag Johansen, Pål Halvorsen
    Proceedings of the International Conference on Multimedia Systems (MMSys), Singapore, March 2014, pp. 168-171
    [pdf] [DOI: 10.1145/2557642.2579370]

  104. "Automatic Event Extraction and Video Summaries From Soccer Games"
    Asgeir Mortensen, Vamsidhar Reddy Gaddam, Håkon Kvale Stensland, Carsten Griwodz, Dag Johansen, Pål Halvorsen
    Proceedings of the International Conference on Multimedia Systems (MMSys), Singapore, March 2014, pp. 176-179
    [pdf] [DOI: 10.1145/2557642.2579374]

  105. "Interactive Zoom and Panning from Live Panoramic Video"
    Vamsidhar Reddy Gaddam, Ragnar Langseth, Sigurd Ljødal, Pierre Gurdjos, Vincent Charvillat, Carsten Griwodz, Pål Halvorsen
    Proceedings of the International Workshop on Network and Operating Systems Support for Digital Audio and Video (NOSSDAV), Singapore, March 2014
    [pdf] [DOI: 10.1145/2578260.2578264]

  106. "Automatic exposure for panoramic systems in uncontrolled lighting conditions: a football stadium case study"
    Vamsidhar Reddy Gaddam, Carsten Griwodz, Pål Halvorsen
    Proceedings of the SPIE/IS&T Electronic Imaging - the Engineering Reality of Virtual Reality, San Francisco, CA, USA, February 2014
    [pdf] [DOI: 10.1117/12.2040145]

  107. "A correction to Andersson's fusion tree construction"
    Zeljko Vrba, Pål Halvorsen, Carsten Griwodz
    Elsevier Theoretical Computer Science, Vol. 520, February 2014, pp. 130-132
    [pdf] [DOI: 10.1016/j.tcs.2013.09.028]

  108. "Bagadus: An Integrated Real-Time System for Soccer Analytics"
    Håkon Kvale Stensland, Vamsidhar Reddy Gaddam, Marius Tennøe, Espen Helgedagsrud, Mikkel Næss, Henrik Kjus Alstad, Asgeir Mortensen, Ragnar Langseth, Sigurd Ljødal, Øystein Landsverk, Carsten Griwodz, Pål Halvorsen, Magnus Stenhaug, Dag Johansen,
    Transactions on Multimedia Computing, Communications and Applications (TOMCCAP), Vol. 10, Issue 1s, January 2014, Article No. 14
    [pdf] [DOI: 10.1145/2541011]


    - 2013 -


  109. "Efficient Implementation and Processing of a Real-time Panorama Video Pipeline"
    Marius Tennøe, Espen Helgedagsrud, Mikkel Næss, Henrik Kjus Alstad, Håkon Kvale Stensland, Vamsidhar Reddy Gaddam, Dag Johansen, Carsten Griwodz, Pål Halvorsen
    Proceedings of the International Symposium on Multimedia (ISM), Anaheim, CA, USA, December 2013, pp. 76-84
    [pdf] [DOI: 10.1109/ISM.2013.21]

  110. "Combining Video and Player Telemetry for Evidence-Based Decisions in Soccer"
    Håvard D. Johansen, Svein Arne Pettersen, Pål Halvorsen, Dag Johansen
    Proceedings of the International Congress on Sports Science Research and Technology Support (icSPORTS), Algarve, Portugal, September 2013, pp. 197 - 205
    [pdf]

  111. "Is today's public cloud suited to deploy hardcore realtime services?"
    Kjetil Raaen, Andreas Petlund, Pål Halvorsen
    Proceedings of the Euro-Par Workshops -- the workshop on Large Scale Distributed Virtual Environments on Clouds and P2P (LSDVE), Lecture Notes in Computer Science, August 2013
    [pdf]

  112. "Analysis of a Real-World HTTP Segment Streaming Case"
    Tomas Kupka, Carsten Griwodz, Pål Halvorsen, Dag Johansen, Torgeir Hovden
    Proceedings of the European Interactive TV Conference (EuroITV 2013), Como, Italy, June 2013, pp. 75-84
    [pdf]

  113. "Real-time Panorama Video Processing Using NVIDIA GPUs" (poster)
    Marius Tennøe, Espen Helgedagsrud, Mikkel Næss, Henrik Kjus Alstad, Håkon Kvale Stensland, Carsten Griwodz, Pål Halvorsen
    Web-site of the GPU Technology Conference, San Jose, CA, USA, March 2013
    [pdf, web-site]

  114. "Bagadus: An Integrated System for Arena Sports Analytics - A Soccer Case Study"
    Pål Halvorsen, Simen Sægrov, Asgeir Mortensen, David K. C. Kristensen, Alexander Eichhorn, Magnus Stenhaug, Stian Dahl, Håkon Kvale Stensland, Vamsidhar Reddy Gaddam, Carsten Griwodz, Dag Johansen
    Proceedings of the International Conference on Multimedia Systems (MMSys), Oslo, Norway, February/March 2013, pp. 48-59
    [pdf] [YouTube]

  115. "Commute Path Bandwidth Traces from 3G Networks: Analysis and Applications"
    Haakon Riiser, Paul Vigmostad, Carsten Griwodz, Pål Halvorsen
    Proceedings of the International Conference on Multimedia Systems (MMSys), Oslo, Norway, February/March 2013, pp. 114-118
    [pdf]

  116. "Cache-centric Video Recommendation: An Approach to Improve the Efficiency of YouTube Caches"
    Dilip Kumar Krishnappa, Michael Zink, Carsten Griwodz, Pål Halvorsen
    Proceedings of the International Conference on Multimedia Systems (MMSys), Oslo, Norway, February/March 2013, pp. 261-270
    [pdf]

  117. "Proceeding of the 23rd ACM Workshop on Network and Operating Systems Support for Digital Audio and Video (NOSSDAV'13)"
    Laszlo Böszörményi, Pål Halvorsen (EDS.)
    ACM, ISBN 978-1-4503-1892-1, February 2013
    [ACM DL]


    - 2012 -


  118. "Evaluating Performance of Feature Extraction Methods for Practical 3D Imaging Systems"
    Deepak Dwarakanath, Alexander Eichhorn, Pål Halvorsen, Carsten Griwodz
    Proceedings of the International Conference on Image and Vision Computing New Zealand (IVCNZ), November 2012, Dunedin, New Zealand
    [pdf]

  119. "BAGADUS: An Integrated System for Soccer Analysis (Demo)"
    Simen Sægrov, Alexander Eichhorn, Jørgen Emerslund, Håkon Kvale Stensland, Carsten Griwodz, Dag Johansen, Pål Halvorsen
    Proceedings of the International Conference on Distributed Smart Cameras (ICDSC), Hong Kong, October/November 2012
    [pdf]

  120. "Performance of On-Off Traffic Stemming From Live Adaptive Segmented HTTP Video Streaming"
    Tomas Kupka, Pål Halvorsen, Carsten Griwodz
    Proceedings of the IEEE Conference on Local Computer Networks (LCN), Clearwater, FL, USA, October 2012, pp. 405-413
    [pdf]

  121. "Low-level Scheduling Implications for Data-intensive Cyclic Workloads on Modern Microarchitectures"
    Håvard Espeland, Preben N. Olsen, Pål Halvorsen, Carsten Griwodz
    Proceedings of the International Workshop on Scheduling and Resource Management for Parallel and Distributed Systems (SRMPDS), Pittsburgh, PA, USA, September 2012, pp. 332-339
    [pdf]

  122. "LEARS: A Lockless, Relaxed-Atomicity State Model for Parallel Execution of a Game Server Partition"
    Kjetil Raaen, Håvard Espeland, Håkon Kvale Stensland, Andreas Petlund, Pål Halvorsen, Carsten Griwodz
    Proceedings of the International Workshop on Scheduling and Resource Management for Parallel and Distributed Systems (SRMPDS), Pittsburgh, PA, USA, September 2012, pp. 382 - 389
    [pdf]

  123. "Reducing Processing Demands for Multi-Rate Video Encoding: Implementation and Evaluation"
    Håvard Espeland, Håkon Kvale Stensland, Dag H. Finstad, Pål Halvorsen
    International Journal of Multimedia Data Engineering and Management, Vol. 3, No. 2, April-June 2012, pp. 1-19
    [pdf] [DOI: 10.4018/jmdem.2012040101]

  124. "Faster and more accurate feature-based calibration for widely spaced camera pairs"
    Deepak Dwarakanath, Alexander Eichhorn, Carsten Griwodz, Pål Halvorsen
    Proceeding of the International Conference on Digital Information and Communication Technology and it's Applications (DICTAP), Bankok, Tailand, May 2012, pp. 87-92
    [pdf] [DOI: 10.1109/DICTAP.2012.6215336]

  125. "A Comparison of Quality Scheduling in Commercial Adaptive HTTP Streaming Solutions on a 3G Network"
    Haakon Riiser, Håkon S. Bergsaker, Paul Vigmostad, Carsten Griwodz, Pål Halvorsen
    Proceeding of the ACM Workshop on Mobile Video (MoVid), Chapel Hill, NC, USA, February 2012, pp. 25-30
    [pdf]

  126. "Network Traffic from Anarchy Online: Analysis, Statistics and Applications" (dataset)
    Andreas Petlund, Pål Halvorsen, Pål Frogner Hansen, Torbjörn Lindgren, Rui Casais, Carsten Griwodz
    Proceeding of the ACM Multimedia Systems Conference (MMSys), Chapel Hill, NC, USA, February 2012, pp. 95-100
    [pdf] [dataset]


    - 2011 -


  127. "Video Streaming Using a Location-based Bandwidth-Lookup Service for Bitrate Planning"
    Haakon Riiser, Tore Endestad, Paul Vigmostad, Carsten Griwodz, Pål Halvorsen
    ACM Transactions on Multimedia Computing, Communications and Applications (TOMCCAP), Vol. 8, No. 3, July 2012, Article No. 24 (accepeted for publication February 2011)
    [pdf] [DOI: 10.1145/2240136.2240137]

  128. "Using bandwidth aggregation to improve the performance of quality-adaptive streaming"
    Kristian Evensen, Dominik Kaspar, Carsten Griwodz, Pål Halvorsen, Audun F. Hansen, Paal Engelstad
    Elsevier Signal Processing: Image Communication, No. 27, No. 4, April 2012, pp. 312-328
    [pdf (online November 2011)] [DOI: 10.1016/j.image.2011.10.007]

  129. "Search-based composition, streaming and playback of video archive content"
    Dag Johansen, Pål Halvorsen, Håvard Johansen, Haakon Riiser, Cathal Gurrin, Bjørn Olstad, Carsten Griwodz, Åge Kvalnes, Joseph Hurley, Tomas Kupka
    Multimedia Tools and Applications, Vol. 61, No. 2, 2012, pp. 419-445
    [pdf (online July 2011)] [DOI: 10.1007/s11042-011-0847-5]

  130. "Improved Multi-Rate Video Encoding"
    Dag Haavi Finstad, Håkon K. Stensland, Håvard Espeland, Pål Halvorsen
    Proceedings of the IEEE International Symposium on Multimedia (ISM), Dana Point, CA, USA December 2011, pp. 293-300
    [pdf] [DOI: 10.1109/ISM.2011.53]

  131. "Flicker Effects in Adaptive Video Streaming to Handheld Devices"
    Pengpeng Ni, Ragnhild Eg, Alexander Eichhorn, Carsten Griwodz, Pål Halvorsen
    Proceedings of the ACM International Multimedia Conference (ACM MM), Scottsdale, AZ, USA, November/December 2011, pp. 463-472
    [pdf] [ACM Author-Izer]

  132. "Processing of Multimedia Data using the P2G Framework" (demo)
    Paul B. Beskow, Håkon K. Stensland, Håvard Espeland, Espen A. Kristiansen, Preben N. Olsen, Ståle Kristoffersen, Carsten Griwodz, Pål Halvorsen
    Proceedings of the ACM International Multimedia Conference (ACM MM), Scottsdale, AZ, USA, November/December 2011, pp. 819-820
    [pdf] [ACM Author-Izer]

  133. "A Demonstration Of a Lockless, Relaxed Atomicity State Parallel Game Server (LEARS)" (demo)
    Kjetil Raaen, Håvard Espeland, Håkon Kvale Stensland, Andreas Petlund, Pål Halvorsen, Carsten Griwodz
    Proceedings of the Workshop on Network and Systems Support for Games (NetGames), Ottawa, Canada, October 2011
    [pdf]

  134. "An Evaluation of Live Adaptive HTTP Segment Streaming Request Strategies"
    Tomas Kupka, Carsten Griwodz, Pål Halvorsen
    Proceedings of the IEEE Conference on Local Computer Networks (LCN), Bonn, Germany, October 2011, pp. 608-616
    [pdf]

  135. "Spatial Flicker Effect in Video Scaling"
    Pengpeng Ni, Ragnhild Eg, Alexander Eichhorn, Carsten Griwodz, Pål Halvorsen
    Proceedings of the International Workshop on Quality of Multimedia Experience (QoMEX), Mechelen, Belgium, September 2011, pp. 55-60
    [pdf] [DOI: 10.1109/QoMEX.2011.6065712]

  136. "Bitrate and video quality planning for mobile streaming scenarios using a GPS-based bandwidth lookup service"
    Haakon Riiser, Paul Vigmostad, Carsten Griwodz, Pål Halvorsen
    Proceedings of the IEEE International Conference on Multimedia and Expo (ICME), Barcelona, Spain, July 2011
    [pdf] [DOI: 10.1109/ICME.2011.6012045]

  137. "P2G: A Framework for Distributed Real-Time Processing of Multimedia Data"
    Håvard Espeland, Paul B. Beskow, Håkon K. Stensland, Preben N. Olsen, Ståle Kristoffersen, Carsten Griwodz, Pål Halvorsen
    Proceedings of the International Conference on Parallel Processing (ICPP) Workshops - the International Workshop on Scheduling and Resource Management for Parallel and Distributed Systems (SRMPDS), Taipei, Taiwan, September 2011, pp. 416-426
    [pdf]

  138. "Demo: Quality-Adaptive Video Streaming With Dynamic Bandwidth Aggregation on Roaming, Multi-Homed Clients" (demo)
    Kristian Evensen, Andreas Petlund, Haakon Riiser, Paul Vigmostad, Dominik Kaspar, Carsten Griwodz, Pål Halvorsen
    Proceedings of the ACM International Conference on Mobile Systems, Applications and Services (MobiSys), Washington, DC, USA, June/July 2011, pp. 355-356
    [pdf]

  139. "Using Multiple Links to Increase the Performance of Bandwidth-Intensive UDP-Based Applications"
    Kristian Evensen, Dominik Kaspar, Audun F. Hansen, Carsten Griwodz, Pål Halvorsen
    Proceedings of the IEEE Symposium on Computers and Communications (ISCC), Corfu, Greece, June/July 2011, pp. 1117-1122
    [pdf]

  140. "Mobile Video Streaming Using Location-Based Network Prediction and Transparent Handover"
    Kristian Evensen, Andreas Petlund, Haakon Riiser, Paul Vigmostad, Dominik Kaspar, Carsten Griwodz, Pål Halvorsen
    Proceedings of the International Workshop on Network and Operating Systems Support for Digital Audio and Video (NOSSDAV), Vancouver, British Columbia, Canada, June 2011, pp. 21-26
    [pdf]

  141. "Distributed Real-Time Processing of Multimedia Data with the P2G Framework" (poster)
    Paul B. Beskow, Håvard Espeland, Håkon K. Stensland, Preben N. Olsen, Ståle Kristoffersen, Espen A. Kristiansen, Carsten Griwodz, Pål Halvorsen
    Web-site of EuroSys 2011 Conference, Salzburg, Austria, April 2011
    [web-site]

  142. "Improving the Performance of Quality-Adaptive Video Streaming over Multiple Heterogeneous Access Networks"
    Kristian Evensen, Dominik Kaspar, Carsten Griwodz, Pål Halvorsen, Audun F. Hansen, Paal E. Engelstad
    Proceedings of the ACM Multimedia Systems (MMSys), San Jose, CA, USA, February 2011, pp. 57-68
    [pdf]


    - 2010 -


  143. "The Nornir run-time system for parallel programs using Kahn process networks on multi-core machines - A flexible alternative to MapReduce"
    Zeljko Vrba, Pål Halvorsen, Carsten Griwodz, Paul Beskow, Håvard Espeland, Dag Johansen
    The Journal of Supercomputing, (online November 2010), Volume 63, Issue 1, January 2013, pp 191-217,
    [pdf] [DOI: 10.1007/s11227-010-0503-2]

  144. "Maximizing video quality for several unicast streams in a multipath overlay network"
    Svetlana Boudko, Wolfgang Leister, Carsten Griwodz, Pål Halvorsen
    Proceedings of the IEEE International Conference on Internet Multimedia Systems Architecture and Application (IMSAA), Bangalore, India, December 2010

  145. "Reducing game latency by migration, core-selection and TCP modifications"
    Paul B Beskow, Andreas Petlund, Geir A. Erikstad, Carsten Griwodz, Pål Halvorsen
    The International Journal of Advanced Media and Communication, Vol. 4, No. 4, November 2010, p 343 - 363
    [DOI: 10.1504/IJAMC.2010.036835]

  146. "Support for enterprise consolidation of I/O bound services"
    Åge Kvalnes, Dag Johansen, Carsten Griwodz, Pål Halvorsen
    Software: Practice and Experience Journal, Vol. 40, Issue 12, November/December 2010, pp. 1035 - 1051
    [DOI: 10.1002/spe.990]

  147. "Cheat Detection Processing: A GPU versus CPU Comparison"
    Håkon Kvale Stensland, Martin Myrseth, Carsten Griwodz, Pål Halvorsen
    Proceedings of the workshop on network and systems support for games (NetGames), Taipei, Taiwan, November 2010, pp. 8:1 - 8:6
    [pdf]

  148. "Web Services Discovery across Heterogeneous Military Networks"
    Frank T. Johnsen, Trude Hafsøe, Anders Eggen, Carsten Griwodz, Pål Halvorsen
    IEEE Communications Magazine, Vol. 48, No. 10, October 2010, pp. 84 - 90
    [DOI: 10.1109/MCOM.2010.5594681]

  149. "Pull-Patching: A Combination of Multicast and Adaptive Segmented HTTP Streaming" (short)
    Espen Jacobsen, Carsten Griwodz, Pål Halvorsen
    Proceedings of the ACM International Multimedia Conference (ACM MM), Florence, Italy, October 2010, pp. 799 - 802
    [pdf]

  150. "vESP: Enriching Enterprise Document Search Results with Aligned Video Summarization" (demo)
    Pål Halvorsen, Dag Johansen, Bjørn Olstad, Tomas Kupka, Sverre Tennøe
    Proceedings of the ACM International Multimedia Conference (ACM MM), Florence, Italy, October 2010, pp. 1603 - 1604
    [pdf | MP4 video]

  151. "vESP: A Video-Enabled Enterprise Search Platform"
    Pål Halvorsen, Dag Johansen, Bjørn Olstad, Tomas Kupka, Sverre Tennøe
    Proceedings of the International Conference on Data and Knowledge Engineering (ICDKE), Melbourne, Australia, September 2010, pp. 534-541
    [pdf | MP4 video]

  152. "Composing Personalized Video Playouts Using Search"
    Dag Johansen, Håvard Johansen, Pål Halvorsen, Bjørn Olstad, Cathal Gurrin, Carsten Griwodz
    Proceedings of the International Workshop on Visual Content Identification and Search (VCIDS), Singapore, July 2010, pp. 1534 - 1539
    [pdf] [DOI: 10.1109/ICME.2010.5583236]

  153. "Frequent Layer Switching for Perceived Quality Improvements of Coarse-Grained Scalable Video"
    Pengpeng Ni, Alexander Eichhorn, Carsten Griwodz, Pål Halvorsen
    Springer Multimedia Systems Journal, Vol. 16, No. 3, June 2010, pp. 171 - 182
    [DOI: 10.1007/s00530-010-0186-9]

  154. "Quality-Adaptive Scheduling for Live Streaming over Multiple Access Networks"
    Kristian Evensen, Tomas Kupka, Dominik Kaspar, Pål Halvorsen, Carsten Griwodz
    Proceedings of the Network and Operating System Support for Digital Audio and Video (NOSSDAV), Amsterdam, The Netherlands, June 2010, pp. 21 - 26
    [pdf]

  155. "Tips, Tricks and Troubles: Optimizing for Cell and GPU"
    Håkon Kvale Stensland, Håvard Espeland, Carsten Griwodz, Pål Halvorsen
    Proceedings of the Network and Operating System Support for Digital Audio and Video (NOSSDAV), Amsterdam, The Netherlands, June 2010, pp. 75 - 80
    [pdf]

  156. "Temming av multikjerneprosessorer - Fordeler og utfordringer" (invited abstract, in Norwegian)
    Håkon Kvale Stensland, Håvard Espeland, Carsten Griwodz, Pål Halvorsen
    The Gathering World & Pegasus, April 2010, p. 50

  157. "Latency Can Kill - Defeat The Lag!" (invited abstract, in Norwegian)
    Andreas Petlund, Pål Halvorsen, Carsten Griwodz
    The Gathering World & Pegasus, April 2010, p. 43

  158. "Low Overhead Container Format for Adaptive Streaming"
    Haakon Riiser, Pål Halvorsen, Carsten Griwodz, Dag Johansen
    Proceedings of the ACM Multimedia Systems (MMSys), Scottsdale, AZ USA, February 2010, pp. 193 - 198
    [pdf
    ]

  159. "Program obfuscation by strong cryptography"
    Zeljko Vrba, Pål Halvorsen, Carsten Griwodz
    Proceedings of the International Conference on Availability, Reliability and Security (ARES), Krakow, Poland, February 2010, pp. 242 - 247
    [pdf]

  160. "A simple improvement of the work-stealing scheduling algorithm"
    Zeljko Vrba, Pål Halvorsen, Carsten Griwodz
    Proceedings of the International Conference on Complex, Intelligent and Software Intensive Systems (CISIS) - International Workshop on Multi-Core Computing Systems (MuCoCoS), Krakow, Poland, February 2010, 925 - 930
    [pdf]

  161. "Enhancing Video-on-Demand Playout over Multiple Heterogeneous Access Networks"
    Dominik Kaspar, Kristian R. Evensen, Paal E. Engelstad, Audun Fosslie Hansen, Pål Halvorsen, Carsten Griwodz
    Proceedings of the IEEE Consumer Communications and Networking Conference (CCNC), Las Vegas, NV, USA, January 2010, pp. 47 - 51
    [pdf]

  162. "RELAY - On the Performance and Resource Utilisation of Time-Dependent Large-Scale Distributed Systems" (book chapter)
    Carsten Griwodz, Pål Halvorsen
    In "Simula Research Laboratory - by Thinking Constantly about it", Aslak Tveito; Are Magnus Bruaset; Olav Lysne (eds.), Springer-Verlag, ISBN 978-3-642-01155-9, 2010, pp. 199 - 235


    - 2009 -


  163. "Improving File Tree Traversal Performance by Scheduling I/O Operations in User Space"
    Carl Henrik Lunde, Håvard Espeland, Håkon K Stensland, Pål Halvorsen
    Proceedings of the IEEE International Performance Computing and Communications Conference (IPCCC), Phoenix, AZ, USA, December 2009, pp. 145 - 152
    [pdf | MP4 video]

  164. "Evaluating Ginnungagap: a middleware for migration of partial game-state utilizing core-selection for latency reduction"
    Paul Beskow, Geir Erikstad, Pål Halvorsen, Carsten Griwodz
    Proceedings of the workshop on Network and System Support for Games (NetGames), Paris, France, November 2009

  165. "Improving SCTP Retransmission Delays for Time-Dependent Thin Streams"
    Andreas Petlund, Paul Beskow, Jon Pedersen, Espen S. Paaby, Carsten Griwodz, Pål Halvorsen
    Springer Multimedia Tools and Applications (MTAP), Vol. 45, Numbers 1-3, October 2009, pp 33 - 60
    [pdf]

  166. "The Partial Migration of Game State and Dynamic Server Selection to Reduce Latency"
    Paul Beskow, Knut-Helge Vik, Carsten Griwodz, Pål Halvorsen
    Springer Multimedia Tools and Applications (MTAP), Vol. 45, Numbers 1-3, October 2009, pp 83 - 107
    [pdf]

  167. "Improving disk I/O performance on Linux"
    Carl Henrik Lunde, Håvard Espeland, Håkon K Stensland, Pål Halvorsen
    UpTimes - Magazine of the German Unix User Group (Proceedings of Linux Kongress and OpenSolaris Developer Conference, Dresden, Germany, October 2009), No. 2, October 2009, pp. 61 - 70

  168. "DAVVI: A Prototype for the Next Generation Multimedia Entertainment Platform" (demo)
    Dag Johansen, Håvard Johansen, Tjalve Aarflot, Joseph Hurley, Åge Kvalnes, Cathal Gurrin, Sorin Sav, Bjørn Olstad, Erik Aaberg, Tore Endestad, Haakon Riiser, Carsten Griwodz, Pål Halvorsen
    Proceedings of the ACM International Multimedia Conference (ACM MM), Beijing, China, October 2009, pp. 989 - 990
    [pdf | MP4 video | MP4 video (first prototype)]

  169. "Video streaming into Virtual Worlds - the effects of virtual screen distance and angle on perceived quality" (poster)
    Pengpeng Ni, Fredrik Gaarder, Carsten Griwodz, Pål Halvorsen
    Proceedings of the ACM International Multimedia Conference (ACM MM), Beijing, China, October 2009, pp. 885 - 888
    [pdf]

  170. "The Nornir run-time system for parallel programs using Kahn process networks" - Best student paper award
    Zeljko Vrba, Pål Halvorsen, Carsten Griwodz, Paul Beskow, Dag Johansen
    Proceedings of the IFIP International Conference on Network and Parallel Computing (NPC), Gold Coast, Australia, October 2009, pp. 1 - 8
    [pdf]

  171. "Network-Layer Proxy for Bandwidth Aggregation and Reduction of IP Packet Reordering"
    Kristian R. Evensen, Dominik Kaspar, Paal E. Engelstad, Audun Fosslie Hansen, Carsten Griwodz, Pål Halvorsen
    Proceedings of the IEEE Conference on Local Computer Networks (LCN), Zurich, Switzerland, October 2009
    [pdf]

  172. "Video Streaming: History, Current Trends and Future Visions" (keynote abstract)
    Pål Halvorsen
    Proceedings of the World Academy of Science, Engineering and Technology (WASET), Vol. 55, Oslo, Norway, July 2009
    [pdf]

  173. "An Analysis of the Heterogeneity and IP Packet Reordering over Multiple Wireless Networks"
    Dominik Kaspar, Kristian R. Evensen, Audun Fosslie Hansen, Paal E. Engelstad, Pål Halvorsen, Carsten Griwodz
    Proceedings of the IEEE Symposium on Computers and Communications (ISCC), Sousse, Tunisia, July 2009, pp 637 - 642
    [pdf]

  174. "Kahn process networks are a flexible alternative to MapReduce"
    Zeljko Vrba, Paul Beskow, Pål Halvorsen, Carsten Griwodz
    Proceedings of the IEEE International Conference on High Performance Computing and Communications (HPCC), Seoul, Korea, June 2009, pp. 154 - 162
    [pdf]

  175. "Fine-Grained Scalable Streaming from Coarse-Grained Videos"
    Pengpeng Ni, Alexander Eichhorn, Carsten Griwodz, Pål Halvorsen
    Proceedings of the Network and Operating System Support for Digital Audio and Video (NOSSDAV), Williamsburg, VA, USA, June 2009, pp. 103 - 108
    [pdf]

  176. "Limits of work-stealing scheduling"
    Zeljko Vrba, Håvard Espeland, Pål Halvorsen, Carsten Griwodz
    Proceedings of Workshops on Job Scheduling Strategies for Parallel Processing (JSSPP), Rome, Italy, May 2009, pp. 280 - 299
    [pdf]

  177. "Evaluating the run-time performance of Kahn process network implementation techniques on shared-memory multiprocessors"
    Zeljko Vrba, Pål Halvorsen, Carsten Griwodz
    Proceedings of the International Workshop on Multi-Core Computing Systems (MuCoCoS), Fukuoka, Japan, March 2009, pp. 639 - 644
    [pdf]

  178. "On the Influence of Latency Estimation on Dynamic Group Communication using Overlays"
    Knut-Helge Vik, Pål Halvorsen, Carsten Griwodz
    Proceedings of the Multimedia Computing and Networking (MMCN), San Jose, CA, USA, January 2009
    [pdf]


    - 2008 -


  179. "An Architecture for Adaptive Multimedia Streaming to Mobile Nodes"
    Wolfgang Leister, Tiia Sutinen, Svetlana Boudko, Ian Marsh, Carsten Griwodz, Pål Halvorsen
    Proceedings of the International Conference on Advances in Mobile Computing & Multimedia (MoMM), Linz, Austria, November 2008, pp. 313 - 316

  180. "Improving application layer latency for reliable thin-stream game traffic"
    Andreas Petlund, Kristian Evensen, Carsten Griwodz, Pål Halvorsen
    Proceedings of the workshop on Network and System Support for Games (NetGames), Worcester, MA, USA, October 2008, pp. 91 - 96
    [pdf]

  181. "Latency Reduction by Dynamic Core Selection and Partial Migration of Game State"
    Paul B. Beskow, Knut-Helge Vik, Carsten Griwodz, Pål Halvorsen
    Proceedings of the workshop on Network and System Support for Games (NetGames), Worcester, MA, USA, October 2008, pp. 79 - 84
    [pdf]

  182. "TCP mechanisms for improving the user experience for time-dependent thin-stream applications"
    Andreas Petlund, Kristian Evensen, Carsten Griwodz, Pål Halvorsen
    Proceedings of the IEEE Conference on Local Computer Networks (LCN), Montreal, Canada, October 2008, pp. 176 - 183
    [pdf]

  183. "Constructing Low-Latency Overlay Networks: Tree vs. Mesh Algorithms"
    Knut-Helge Vik, Carsten Griwodz, Pål Halvorsen
    Proceedings of the IEEE Conference on Local Computer Networks (LCN), Montreal, Canada, October 2008, pp. 36 - 43
    [pdf]

  184. "Latency reducing TCP modifications for thin-stream interactive applications"
    Andreas Petlund, Kristian Evensen, Carsten Griwodz, Pål Halvorsen
    UpTimes - Magazine of the German Unix User Group (Proceedings of Linux Kongress, Hamburg, Germany, October 2008), No. 2, October 2008, pp. 150 - 154
    [pdf]

  185. "Evaluating Steiner tree heuristics and diameter variations for Application Layer Multicast"
    Knut-Helge Vik, Carsten Griwodz, Pål Halvorsen
    Elsevier Computer Networks, Vol. 52, No. 15, October 2008, pp. 2872 - 2893

  186. "Performance Measurements and Evaluation of Video Streaming in HSDPA Networks With 16QAM Modulation"
    Haakon Riiser, Carsten Griwodz, Pål Halvorsen, Bjørn Hestnes
    Proceedings of the IEEE International Conference on Multimedia & Expo (ICME), Hannover, Germany, June 2008, pp. 489 - 492
    [pdf]

  187. "A Benchmarking System for Multipath Overlay Multimedia Streaming"
    Svetlana Boudko, Wolfgang Leister, Carsten Griwodz, Pål Halvorsen
    Proceedings of the IEEE International Conference on Multimedia & Expo (ICME), Hannover, Germany, June 2008, pp. 853 - 856
    [pdf]

  188. "Evaluation of Multi-Core Scheduling Mechanisms for Heterogeneous Processing Architectures"
    Håkon K. Stensland, Carsten Griwodz, Pål Halvorsen
    Proceedings of the Network and Operating System Support for Digital Audio and Video (NOSSDAV), Braunschweig, Germany, May 2008, pp. 33 - 38
    [pdf]

  189. "Transparent Protocol Translation and Load Balancing on a Network Processor in a Media Streaming Scenario" (demo)
    Håvard Espeland, Carl Henrik Lunde, Håkon K. Stensland, Carsten Griwodz, Pål Halvorsen
    Proceedings of the Network and Operating System Support for Digital Audio and Video (NOSSDAV), Braunschweig, Germany, May 2008, pp. 129 - 130
    [pdf]

  190. "TCP Enhancements for Interactive Thin Stream Applications" (demo)
    Andreas Petlund, Kristian R. Evensen, Carsten Griwodz, Pål Halvorsen
    Proceedings of the Network and Operating System Support for Digital Audio and Video (NOSSDAV), Braunschweig, Germany, May 2008, pp. 127 - 128
    [pdf]

  191. "Redundant Bundling in TCP to Reduce Perceived Latency for Time-Dependent Thin Streams"
    Kristian R. Evensen, Andreas Petlund, Carsten Griwodz, Pål Halvorsen
    IEEE Communications Letters, Vol. 12, No. 4, April 2008, pp. 334 - 336
    [pdf]

  192. "Multicast tree diameter for dynamic distributed interactive applications"
    Knut-Helge Vik, Carsten Griwodz, Pål Halvorsen
    Proceedings of the IEEE International Conference on Computer Communications (INFOCOM), Phoenix, Arizona, USA, April 2008, pp. 1597 - 1605
    [pdf]


    - 2007 -


  193. "Implementation and Evaluation of Late Data Choice for TCP in Linux"
    Erlend Birkedal, Carsten Griwodz, Pål Halvorsen
    Proceedings of the IEEE International Symposium on Multimedia 2007 (ISM), Taichung, Taiwan, December 2007, pp. 221 - 228
    [pdf]

  194. "Dynamic Group Membership Management for Distributed Interactive Applications"
    Knut-Helge Vik, Carsten Griwodz, Pål Halvorsen
    Proceedings of the IEEE Conference on Local Computer Networks (LCN), Dublin, Ireland, October 2007, pp. 141 - 148
    [pdf]

  195. "Assessment of Linux' Data Path Implementations for Download and Streaming"
    Pål Halvorsen, Tom Anders Dalseng, Carsten Griwodz
    The International Journal of Software Engineering and Knowledge Engineering (IJSEKE), Vol. 17, No. 4, August 2007, pp. 465 - 481
    [pdf]

  196. "Transparent Protocol Translation for Streaming" (short paper)
    Håvard Espeland, Carl Henrik Lunde, Håkon Kvale Stensland, Carsten Griwodz, Pål Halvorsen
    Proceedings of the ACM International Multimedia Conference (ACM MM), Augsburg, Germany, September 2007, pp. 771 - 774
    [pdf]

  197. "Latency Evaluation of Networking Mechanisms for Game Traffic"
    Szabolcs Harcsik, Andreas Petlund, Carsten Griwodz, Pål Halvorsen
    Proceedings of the workshop on Network and System Support for Games (NetGames), Melbourne, Australia, September 2007, pp. 129 - 134
    [pdf]

  198. "Latency Reduction in Massively Multi-player Online Games by Partial Migration of Game State"
    Paul B. Beskow, Carsten Griwodz, Pål Halvorsen
    Proceedings of the International Conferences on Internet Technologies and Applications (ITA), Wrexham, Wales, UK, September 2007, pp. 153 - 163
    [pdf]

  199. "Workload Characterization for News-on-Demand Streaming Services"
    Frank T. Johnsen, Trude Hafsøe, Carsten Griwodz, Pål Halvorsen
    Proceedings of the International Performance Computing and Communications Conference (IPCCC), New Orleans, LO, USA, April 2007, pp. 314 - 323
    [pdf]


    - 2006 -


  200. "Applicability of Group Communication for Increased Scalability in MMOGs"
    Knut-Helge Vik, Carsten Griwodz, Pål Halvorsen
    Proceedings of the workshop on Network and System Support for Games (NetGames), Singapore, October 2006
    [pdf]

  201. "Consistency requirements in Multiplayer Online Games" (poster)
    Wladimir Palant, Carsten Griwodz, Pål Halvorsen
    Proceedings of the workshop on Network and System Support for Games (NetGames), Singapore, October 2006

  202. "GLS: Simulator for Online Multi-Player Games" (demo)
    Wladimir Palant, Carsten Griwodz, Pål Halvorsen
    Proceedings of the ACM international conference on Multimedia (ACM MM), Santa Barbara, CA, USA 2006, pp. 805 - 806

  203. "Considerations for SCTP Retransmission Delays for Thin Streams" - Best paper award
    Jon Pedersen, Carsten Griwodz, Pål Halvorsen
    Proceedings of the IEEE Conference on Local Computer Networks (LCN), Tampa, FL, USA, November 2006, pp. 135 - 142
    [pdf, ppt]

  204. "Translating latency requirements into resource requirements for game traffic"
    Chris Majewski, Carsten Griwodz, Pål Halvorsen
    Proceedings of the International Network Conference (INC), Plymouth, UK, July 2006, pp. 113 - 120
    [pdf]

  205. "Programmable Subsystems: A Traffic Shaping and Packet Prioritizing Case Study"
    Pål Halvorsen, Øystein Yri Sunde, Andreas Petlund, Carsten Griwodz
    Proceedings of the International Network Conference (INC), Plymouth, UK, July 2006, pp. 97 - 104
    [pdf]

  206. "Evaluating dead reckoning variations with a multi-player game simulator"
    Wladimir Palant, Carsten Griwodz, Pål Halvorsen
    Proceedings of the ACM International Workshop on Network and Operating Systems Support for Digital Audio and Video (NOSSDAV), Newport, Rhode Island, USA, May 2006, pp. 20 - 25
    [pdf]

  207. "The Fun of using TCP for an MMORPG" - Best paper award
    Carsten Griwodz, Pål Halvorsen
    Proceedings of the ACM International Workshop on Network and Operating Systems Support for Digital Audio and Video (NOSSDAV), Newport, Rhode Island, USA, May 2006, pp. 1 - 7
    [pdf]

  208. "Caching of Interactive Multiple Choice MPEG-4 Presentations"
    Carsten Griwodz, Frank T. Johnsen, Simen Rekkedal, Pål Halvorsen
    Proceedings of the 25th IEEE International Performance Computing and Communications Conference (IPCCC) - 2nd International Workshop on Multimedia Systems and Networking (WMSN), Phoenix, AZ, USA, April 2006, pp. 659 - 666
    [pdf, ppt]

  209. "Multicast Tree Reconfiguration in Distributed Interactive Applications"
    Carsten Griwodz, Knut-Helge Vik, Pål Halvorsen
    Proceedings of the IEEE Consumer Communications and Networking Conference (CCNC), Volume 2: The International Workshop on Networking Issues in Multimedia Entertainment (NIME), Las Vegas, NV, USA, Januar 2006, pp. 1219 - 1223
    [pdf]


    - 2005 -


  210. "Assessment of Data Path Implementations for Download and Streaming"
    Pål Halvorsen, Tom Anders Dalseng, Carsten Griwodz
    Proceedings of the 11th International Conference on Distributed Multimedia Systems (DMS), Banff, Canada, September 2005, pp. 228 - 233
    [pdf, presentation (ppt)]

  211. "QoS-aware Mobile Middleware for Video Streaming"
    Sten L. Amundsen, Ketil Lund, Carsten Griwodz, Pål Halvorsen
    Proceedings of the 31th Euromicro Conference on Software Engineering and Advanced Applications (SEAA) - Component-Based Software Engineering track (CBSE), Porto, Portugal, August/September 2005, pp. 54 - 61
    [pdf]

  212. "Offloading Multimedia Proxies using Network Processors"
    Øyvind Hvamstad, Carsten Griwodz, Pål Halvorsen
    Proceedings of the International Network Conference (INC), Samos Island, Greece, July 2005, pp. 113 - 120
    [pdf]


    - 2004 -


  213. "Translating Scalable Video Streams from Wide-Area to Access Networks"
    Carsten Griwodz, Steffen Fiksdal, Pål Halvorsen
    Campus-Wide Information Systems, Vol. 21, No. 5, December 2004, pp. 205-210
    [pdf]

  214. "Structured Partially Caching Proxies for Mixed Media"
    Frank T. Johnsen, Carsten Griwodz, Pål Halvorsen
    Proceedings of the 9th International Workshop on Web Content Caching and Distribution (WCW), Beijing, China, October 2004, pp. 144 - 153
    [pdf]

  215. "Middleware Services for Information Sharing in Mobile Ad-hoc Networks"
    Thomas Plagemann, Jon Andersson, Ovidiu Drugan, Vera Goebel, Carsten Griwodz, Pål Halvorsen, Ellen Munthe-Kaas, Matija Puzar, Norun Sanderson, Katrine Stemland Skjelsvik
    IFIP World Computer Congress (WCC), Workshop on Challenges of Mobility, Toulouse, France, August 2004
    [pdf]

  216. "Translating Scalable Video Streams from Wide-Area to Access Networks"
    Carsten Griwodz, Steffen Fiksdal, Pål Halvorsen
    Proceedings of the International Network Conference (INC), Plymouth, UK, July 2004, pp. 102-110
    [pdf]

  217. "Storage System Support for Continuous-Media Applications, Part 2: Multiple Disks, Memory, and Integration"
    Pål Halvorsen, Carsten Griwodz, Vera Goebel, Ketil Lund, Thomas Plagemann, Jonathan Walpole
    IEEE Distributed Systems Online (DSonline), Special Issue On Data Management, I/O Techniques, and Storage Systems for Large-Scale Data Intensive Applications, Vol. 5, No. 2, February 2004
    [pdf, DSonline vol. 5, no. 2]

  218. "Storage System Support for Continuous-Media Applications, Part 1: Requirements and Single-Disk Issues"
    Pål Halvorsen, Carsten Griwodz, Vera Goebel, Ketil Lund, Thomas Plagemann, Jonathan Walpole
    IEEE Distributed Systems Online (DSonline), Special Issue On Data Management, I/O Techniques, and Storage Systems for Large-Scale Data Intensive Applications, Vol. 5, No. 1, January 2004
    [pdf, DSonline vol. 5, no. 1]


    - 2003 -


  219. "Improving the I/O performance of intermediate multimedia storage nodes"
    Pål Halvorsen, Thomas Plagemann, Vera Goebel
    ACM/Springer Multimedia Systems, Vol 9, No. 1, July 2003, pp. 56 - 67
    [pdf, see also PhD information]

  220. "Towards Scalable and Affordable Content Distribution Services"
    Thomas Plagemann, Vera Goebel, Carsten Griwodz, Pål Halvorsen, Laurent Mathy, Nicholas Race, Michael Zink
    Proceedings of the 7th IEEE International Conference on Telecommunications (ConTEL), Zagreb, Croatia, June 2003, pp. 307 - 313
    [pdf]

  221. "A Testbed for Advanced Content Distribution Experiments" (poster)
    Vera Goebel, Carsten Griwodz, Trude Hafsøe, Pål Halvorsen, Frank T. Johnsen, Thomas Plagemann, Karl-Andre Skevik, Ole Jørgen Tetlie
    Proceedings of the Conference on Telefommunications (conftele), Aveiro, Portugal, June 2003

  222. "Towards Middleware Services for Ad-Hoc Network Applications"
    Thomas Plagemann, Vera Goebel, Carsten Griwodz, Pål Halvorsen
    Proceedings of the 9th IEEE Workshop on Future Trends of Distributed Computing Systems, San Juan, Puerto Rico, May 2003, pp. 249 - 257
    [pdf]


    - 2002 -


  223. "Performance Tradeoffs for Static Allocation of Zero-Copy Buffers"
    Pål Halvorsen, Espen Jorde, Karl-Andre Skevik, Thomas Plagemann, Vera Goebel,
    Proceedings of the 28th Euromicro Conference - Multimedia and Telecommunications Track (MTT), Dortmund, Germany, September 2002, pp. 138 - 143
    [pdf, presentation (ppt)]

  224. "How to Minimize Transport Protocol Processing: Implementation and Evaluation of Network Level Framing"
    Pål Halvorsen, Thomas Plagemann, Vera Goebel
    Proceedings of the 22nd International Conference on Distributed Computing Systems Workshops (ICDCS) - 4th International Workshop on Multimedia Network Systems and Applications (MNSA), Vienna, Austria, July 2002, pp. 149 - 155
    [pdf, ps, presentation (ppt)]


    - 2001 -


  225. "Evaluation of a Zero-Copy Protocol Implementation"
    Karl-Andre Skevik, Thomas Plagemann, Vera Goebel, Pål Halvorsen
    Proceedings of the 27th Euromicro Conference - Multimedia and Telecommunications Track (MTT), Warsaw, Poland, September 2001
    [pdf, ps.gz]

  226. "Integrated Error Management for Media-on-Demand Services"
    Pål Halvorsen, Thomas Plagemann, Vera Goebel
    Proceedings of the 20th Annual Joint Conference of the IEEE Computer and Communications Societies (INFOCOM), Anchorage, AK, USA, April 2001, pp. 621 - 630
    [pdf, ps.gz, presentation (ppt)]


    - 2000 -


  227. "Network Level Framing in INSTANCE"
    Pål Halvorsen, Thomas Plagemann, Vera Goebel
    Proceedings of the 6th International Workshop on Multimedia Information Systems 2000 (MIS), Chicago, IL, USA, Oktober 2000, pp. 82 - 91
    [pdf, ps.gz, presentation (ppt)]

  228. "Requirements Analysis and Design for a Flexible Learning-on-Demand System"
    Ketil Lund, Pål Halvorsen, Vera Goebel, Thomas Plagemann
    Proceedings of the Fourth World Conference on Integrated Design & Process Technology 1999-2000 (IDPT), Dallas, Texas, June 2000
    [pdf]

  229. "Operating System Support for Multimedia Systems"
    Thomas Plagemann, Vera Goebel, Pål Halvorsen, Otto Anshus
    The Computer Communications Journal, Elsevier, Vol. 23, No. 3, February 2000, pp. 267 - 289
    [pdf, ps.gz]


    - 1999 -


  230. "The INSTANCE Project: Operating System Enhancements to Support Multimedia Servers" (poster)
    Pål Halvorsen, Thomas Plagemann, Vera Goebel
    WWW-site for the 17th ACM Symposium on Operating Systems Principles (SOSP), Kiawah Island, SC, USA, December 1999
    [pdf, html, SOSP'99 poster web-site]

  231. "ConfMan: Integrated WWW and DBS Support for Conference Organization" (poster)
    Pål Halvorsen, Ketil Lund, Vera Goebel, Thomas Plagemann, Thomas Preuss, Hartmut Koenig
    Poster Proceedings of The Eighth International World Wide Web Conference (WWW), Toronto, Canada, May 1999, pp. 34 - 35
    [pdf, software]


    - 1998 -


  232. "Bufferhåndtering i multimedia datahåndteringssystemer" (in Norwegian)
    Pål Halvorsen
    Elektronikk, Vol. 32, No. 9, September 1998, pp. 64 - 67
    [pdf, ps.gz]

  233. "Towards Quality-of-Service Support in Multimedia Database Management Systems" (poster)
    Vera Goebel, Pål Halvorsen, Ketil Lund, Nader Mirzadeh, Thomas Plagemann
    Art Demos - Technical Demos - Poster Papers' Proceedings of the 6th ACM International Multimedia Conference (ACM MM), Bristol, UK, September 1998, pp. 52 - 53
    [pdf, ps.gz]

  234. "Q-L/MRP: A Buffer Management Mechanism for QoS Support in a Multimedia DBMS"
    Pål Halvorsen, Vera Goebel, Thomas Plagemann
    Proceedings of 1998 IEEE International Workshop on Multimedia Database Management Systems (IW-MMDBMS), Dayton, Ohio, USA, August 1998, pp. 162 - 171
    [pdf, ps.gz]


THESES


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