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Chair of Multimedia Communications and Signal Processing
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  1. Friedrich-Alexander-Universität
  2. Technische Fakultät
  3. Department Elektrotechnik-Elektronik-Informationstechnik
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  1. Friedrich-Alexander-Universität
  2. Technische Fakultät
  3. Department Elektrotechnik-Elektronik-Informationstechnik

Chair of Multimedia Communications and Signal Processing

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  3. Energy Efficiency Video Solutions

Energy Efficiency Video Solutions

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  • Energy Efficiency Video Solutions

Energy Efficiency Video Solutions

Contact persons
Christian J. Herglotz
Matthias Kränzler
Geetha Ramasubbu

In the past years, our chair developed various algorithms and tools helping to increase the energy efficiency in video communications. This page lists links to the most important contributions, which are all free to use under respective open-source licenses.

  • Bit stream analysis for AVC, HEVC, and VVC
    This software takes arbitrary HEVC or VVC-coded bit streams and analyzes their use of coding tools and provides block size statistics.
  • DENESTO: Decoding Energy Estimation Tool
    Using the statistics generated by the bit stream analyzer tools above, this software estimates the energy demand for decoding the stream. Energy estimation models are available for various hardware and software implementations of HEVC decoders.
  • DERDO: Decoding-Energy-Rate-Distortion Optimization
    DERDO is an algorithm that enables the compression of sequences such that the decoding energy on client devices is minimized. The source code for HEVC encoding can be downloaded following the link.

Further contributions and software packages will be available soon.

Currently, we are striving to analyze and optimize the whole processing chain in video communications. This includes the capturing and encoding of video data, transmission via versatile channels, and receiver side power including decoding, rendering and playback.

With our expertise, this group is the best choice when you are looking for a partner to do research regarding any question in energy efficiency in video communications.

2024

  • Herglotz C., Kränzler M., Dai R., Kaup A.:
    Complexity Metrics for VVC Decoder Power Reduction in Green Metadata
    Picture Coding Symposium (Taichung, Taiwan, 12. June 2024 - 14. June 2024)
    BibTeX: Download
  • Herglotz C., Och H., Meyer A., Ramasubbu G., Eichermüller L., Kränzler M., Brand F., Fischer K., Nguyen DT., Regensky A., Kaup A.:
    The Bjøntegaard Bible - Why your Way of Comparing Video Codecs May Be Wrong
    In: IEEE Transactions on Image Processing 33 (2024), p. 987 - 1001
    ISSN: 1057-7149
    DOI: 10.1109/TIP.2023.3346695
    BibTeX: Download
  • Kränzler M., Herglotz C., Kaup A.:
    A Comprehensive Review of Software and Hardware Energy Efficiency of Video Decoders
    Picture Coding Symposium (PCS) (Taichung, Taiwan, 12. June 2024 - 14. June 2024)
    DOI: 10.48550/arXiv.2402.09001
    BibTeX: Download
  • Ramasubbu G., Kaup A., Herglotz C.:
    Towards Video Codec Performance Evaluation: A Rate-Energy-Distortion Perspective
    In: 2024 16th International Conference on Quality of Multimedia Experience (QoMEX) 2024
    DOI: 10.1109/QoMEX61742.2024.10598269
    BibTeX: Download

2023

  • Combemale B., Mussbacher G., Betz S., Friday A., Hadar I., Sallou J., Groher I., Muccini H., Le Meur O., Herglotz C., Eriksson E., Penzenstadler B., Peters AK., Venters C.:
    Towards Sustainable and Energy-aware Video Communications (SEViC)
    In: CEUR Workshop Proceedings (CEUR-WS.org) (ed.): Joint Proceedings of ICT4S 2023 Doctoral Symposium, Demonstrations & Posters Track and Workshops., 2023 (Co-located with ICT4S 2023, France, June 05-09)
    URL: https://ceur-ws.org/
    BibTeX: Download
  • Herglotz C., Brand F., Regensky A., Rievel F., Kaup A.:
    Processing Energy Modeling for Neural Network Based Image Compression
    accepted for IEEE International Conference on Image Processing (ICIP) (Kuala Lumpur, 8. October 2023 - 11. October 2023)
    URL: https://arxiv.org/abs/2306.16755
    BibTeX: Download
  • Herglotz C., Kränzler M., Ludwig R., Kaup A.:
    Video Decoding Energy Reduction Using Temporal-Domain Filtering
    First International Workshop on Green Multimedia Systems (GMSys '23) on the ACM Multimedia Systems (MMSys) (Vancouver, 7. June 2023 - 10. June 2023)
    DOI: 10.1145/3593908.3593948
    URL: https://arxiv.org/abs/2306.06917
    BibTeX: Download
  • Herglotz C., Kränzler M., Ramasubbu G., Eichermüller L., Kaup A.:
    Energy Efficiency in Video Compression
    In: IEEE MMTC Communications - Frontiers 18 (2023), p. 8-14
    Open Access: https://site.ieee.org/comsoc-mmctc/files/2023/10/MMTC-May-2023-18_3.pdf
    BibTeX: Download
  • Herglotz C., Kränzler M., Schober R., Kaup A.:
    Sweet Streams are Made of This: The System Engineer’s View on Energy Efficiency in Video Communications (Preprint)
    In: Ieee Circuits and Systems Magazine 23 (2023), p. 57-77
    ISSN: 1531-636X
    DOI: 10.1109/MCAS.2023.3234739
    BibTeX: Download
  • Herglotz C., Robitza W., Raake A., Hoßfeld T., Kaup A.:
    Power Reduction Opportunities on End-User Devices in Quality-Steady Video Streaming
    15th International Conference on Quality of Multimedia Experience (QoMEX) (Gent, 20. June 2023 - 22. June 2023)
    DOI: 10.48550/arXiv.2305.15117
    URL: https://arxiv.org/abs/2305.15117
    BibTeX: Download

2022

  • Herglotz C., Kränzler M., Mons R., Kaup A.:
    Beyond Bjontegaard: Limits of Video Compression Performance Comparisons
    IEEE International Conference on Image Processing (Bordeaux, 17. October 2022 - 19. October 2022)
    DOI: 10.1109/ICIP46576.2022.9897912
    BibTeX: Download
  • Herglotz C., Robitza W., Kränzler M., Kaup A., Raake A.:
    Modeling of Energy Consumption and Streaming Video QoE using a Crowdsourcing Dataset
    The 14th International Conference on Quality of Multimedia Experience (QoMEX) (Lippstadt, 5. September 2022 - 7. September 2022)
    DOI: 10.1109/QoMEX55416.2022.9900886
    BibTeX: Download
  • Kränzler M., Herglotz C., Kaup A.:
    Energy Efficient Video Decoding for VVC Using a Greedy Strategy Based Design Space Exploration
    In: IEEE Transactions on Circuits and Systems For Video Technology 32 (2022), p. 4696-4709
    ISSN: 1051-8215
    DOI: 10.1109/TCSVT.2021.3130739
    URL: https://arxiv.org/abs/2111.12194
    BibTeX: Download
  • Kränzler M., Herglotz C., Kaup A.:
    Advanced Design Space Exploration for Joint Energy and Quality Optimization for VVC
    Picture Coding Symposium (PCS) (San Jose, California, 7. December 2022 - 9. December 2022)
    DOI: 10.1109/PCS56426.2022.10018037
    URL: https://arxiv.org/abs/2209.10211
    BibTeX: Download
  • Kränzler M., Wieckowski A., Ramasubbu G., Bross B., Kaup A., Marpe D., Herglotz C.:
    Optimized Decoding-Energy-Aware Encoding In Practical VVC Implementations
    29th IEEE International Conference on Image Processing (IEEE ICIP) (Bordeaux, 16. October 2022 - 19. October 2022)
    DOI: 10.1109/ICIP46576.2022.9897896
    URL: https://arxiv.org/abs/2206.13483
    BibTeX: Download
  • Ramasubbu G., Kaup A., Herglotz C.:
    Modeling the HEVC Encoding Energy Using the Encoder Processing Time
    IEEE International Conference on Image Processing (ICIP) 2022 (Bordeaux, 16. October 2022 - 19. October 2022)
    DOI: 10.1109/ICIP46576.2022.9897306
    URL: http://arxiv.org/abs/2207.02676
    BibTeX: Download
  • Ramasubbu G., Kaup A., Herglotz C.:
    A Bit Stream Feature-Based Energy Estimator for HEVC Software Encoding
    Picture Coding Symposium (PCS 2022) (San Jose, California, 7. December 2022 - 9. December 2022)
    DOI: 10.1109/PCS56426.2022.10018048
    URL: https://arxiv.org/abs/2212.05609
    BibTeX: Download

2020

  • Herglotz C., Bader M., Fischer K., Kaup A.:
    Decoding Energy Optimal Video Encoding for x265
    IEEE 22nd Workshop on Multimedia Signal Processing (MMSP) (Tampere, 21. September 2020 - 23. September 2020)
    DOI: 10.1109/MMSP48831.2020.9287054
    BibTeX: Download
  • Herglotz C., Coulombe S., Vazquez C., Vakili A., Kaup A., Grenier JC.:
    Power Modeling for Video Streaming Applications on Mobile Devices
    In: IEEE Access (2020)
    ISSN: 2169-3536
    DOI: 10.1109/ACCESS.2020.2986580
    BibTeX: Download
  • Kränzler M., Herglotz C., Kaup A.:
    DENESTO: A Tool for Video Decoding Energy Estimation and Visualization
    2020 IEEE International Conference on Visual Communications and Image Processing (VCIP) (Virtual Conference, 1. December 2020 - 4. December 2020)
    DOI: 10.1109/VCIP49819.2020.9301877
    BibTeX: Download
  • Kränzler M., Herglotz C., Kaup A.:
    Decoding Energy Modeling for Versatile Video Coding
    IEEE International Conference on Image Processing (ICIP) (Abu Dhabi, 25. October 2020 - 28. October 2020)
    DOI: 10.1109/ICIP40778.2020.9190840
    URL: https://doi.org/10.48550/arXiv.2209.10266
    BibTeX: Download
  • Kränzler M., Herglotz C., Kaup A.:
    A Comparative Analysis of the Time and Energy Demand of Versatile Video Coding and High Efficiency Video Coding Reference Decoders
    IEEE International Workshop on Multimedia Signal Processing (MMSP) (Tampere, Finland, 21. September 2020 - 23. September 2020)
    DOI: 10.1109/MMSP48831.2020.9287098
    URL: https://arxiv.org/abs/2209.10283
    BibTeX: Download

2019

  • Herglotz C., Coulombe S., Vakili A., Kaup A.:
    Power Modeling for Virtual Reality Video Playback Applications
    IEEE 23rd International Symposium on Consumer Technologies (ISCT) (Ancona, 19. June 2019 - 21. June 2019)
    DOI: 10.1109/ISCE.2019.8901018
    BibTeX: Download
  • Herglotz C., Heindel A., Kaup A.:
    Decoding-Energy-Rate-Distortion Optimization for Video Coding
    In: IEEE Transactions on Circuits and Systems For Video Technology 29 (2019), p. 171-182
    ISSN: 1051-8215
    DOI: 10.1109/TCSVT.2017.2771819
    BibTeX: Download
  • Herglotz C., Kaup A., Coulombe S., Vakili A.:
    Power-Efficient Video Streaming on Mobile Devices Using Optimal Spatial Scaling
    IEEE International Conference on Consumer Electronics (ICCE) (Berlin, 8. September 2019 - 11. September 2019)
    DOI: 10.1109/ICCE-Berlin47944.2019.8966177
    BibTeX: Download
  • Kränzler M., Herglotz C., Kaup A.:
    Extending Video Decoding Energy Models for 360° and HDR Video Formats in HEVC
    Picture Coding Symposium (PCS) (Ningbo, 12. November 2019 - 15. November 2019)
    DOI: 10.1109/PCS48520.2019.8954563
    URL: https://doi.org/10.48550/arXiv.2209.10268
    BibTeX: Download

2018

  • Herglotz C., Kaup A.:
    Decoding Energy Estimation of an HEVC Hardware Decoder
    IEEE International Symposium on Circuits and Systems (ISCAS) (Florenz, 27. May 2018 - 30. May 2018)
    DOI: 10.1109/ISCAS.2018.8350964
    BibTeX: Download
  • Herglotz C., Kränzler M., Kaup A.:
    Decoding Energy Modeling for the Next Generation Video Codec Based on JEM
    Picture Coding Symposium (PCS) (San Francisco, 24. June 2018 - 27. June 2018)
    DOI: 10.1109/pcs.2018.8456244
    BibTeX: Download
  • Herglotz C., Springer D., Reichenbach M., Stabernack B., Kaup A.:
    Modeling the Energy Consumption of the HEVC Decoding Process
    In: IEEE Transactions on Circuits and Systems For Video Technology 28 (2018), p. 217-229
    ISSN: 1051-8215
    DOI: 10.1109/TCSVT.2016.2598705
    BibTeX: Download

2017

  • Herglotz C., Kaup A.:
    Video Decoding Energy Estimation Using Processor Events
    IEEE International Conference on Image Processing (ICIP) (Beijing, 17. September 2017 - 20. September 2017)
    DOI: 10.1109/ICIP.2017.8296731
    BibTeX: Download

2016

  • Herglotz C., Kaup A.:
    Joint Optimization of Rate, Distortion, and Decoding Energy for HEVC Intraframe Coding
    IEEE International Conference on Image Processing (ICIP) (Phoenix, Arizona, 25. September 2016 - 28. September 2016)
    DOI: 10.1109/ICIP.2016.7532416
    URL: http://arxiv.org/abs/2203.01765
    BibTeX: Download
  • Herglotz C., Rosales R., Glaß M., Teich J., Kaup A.:
    Multi-Objective Design Space Exploration for the Optimization of the HEVC Mode Decision Process
    Picture Coding Symposium(PCS) (Nürnberg, 4. December 2016 - 7. December 2016)
    In: Picture Coding Symposium (PCS) 2016
    DOI: 10.1109/PCS.2016.7906327
    URL: http://arxiv.org/abs/2203.01782
    BibTeX: Download
  • Herglotz C., Wen Y., Dai B., Kränzler M., Kaup A.:
    A Bitstream Feature Based Model for Video Decoding Energy Estimation
    Picture Coding Symposium (PCS) (Nürnberg, 4. December 2016 - 7. December 2016)
    DOI: 10.1109/PCS.2016.7906400
    URL: https://doi.org/10.48550/arXiv.2204.10151
    BibTeX: Download

2015

  • Herglotz C., Kaup A.:
    Estimating The HEVC Decoding Energy Using High-Level Video Features
    European Signal Processing Conference (EUSIPCO) (Nice, 31. August 2015 - 4. September 2015)
    In: Proc. of European Signal Processing Conference (EUSIPCO) 2015
    DOI: 10.1109/EUSIPCO.2015.7362652
    BibTeX: Download
  • Herglotz C., Seiler J., Kaup A., Hendricks A., Reichenbach M., Fey D.:
    Estimation of Non-functional Properties for Embedded Hardware with Application to Image Processing
    22nd Reconfigurable Architectures Workshop (RAW) on the 29th Annual International Parallel & Distributed Processing Symposium (IPDPS) (Hyderabad, 25. May 2015 - 29. May 2015)
    DOI: 10.1109/IPDPSW.2015.58
    URL: http://arxiv.org/abs/2203.01771
    BibTeX: Download
  • Herglotz C., Walencik E., Kaup A.:
    Estimating the HEVC Decoding Energy Using the Decoder Processing Time
    IEEE Int. Symp. on Circuits and Systems (ISCAS) (Lisbon, 24. May 2015 - 27. May 2015)
    In: Proc. of IEEE Int. Symp. on Circuits and Systems (ISCAS) 2015
    DOI: 10.1109/ISCAS.2015.7168683
    URL: http://arxiv.org/abs/2203.01767
    BibTeX: Download

2014

  • Berschneider S., Herglotz C., Reichenbach M., Fey D., Kaup A.:
    Estimating Video Decoding Energies And Processing Times Utilizing Virtual Hardware
    3PMCES Workshop. Design, Automation & Test in Europe (DATE) (Dresden, 24. March 2014 - 28. March 2014)
    BibTeX: Download
  • Herglotz C., Springer D., Kaup A.:
    Modeling the Energy Consumption of HEVC P- and B-Frame Decoding
    Intl. Conference on Image Processing (ICIP) (Paris, 27. October 2014 - 30. October 2014)
    In: Proc. of Intl. Conf. on Image Processing (ICIP) 2014
    DOI: 10.1109/ICIP.2014.7025743
    BibTeX: Download

2013

  • Herglotz C., Springer D., Eichenseer A., Kaup A.:
    Modeling the energy consumption of HEVC intra decoding
    2013 20th International Conference on Systems, Signals and Image Processing, IWSSIP 2013 (Bucharest, 7. July 2013 - 9. July 2013)
    DOI: 10.1109/IWSSIP.2013.6623457
    URL: http://arxiv.org/abs/2203.01755
    BibTeX: Download
Chair of Multimedia Communications and Signal Processing
Cauerstr. 7
91058 Erlangen
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