Herglotz, Christian

Dr.-Ing. Christian Herglotz

Department Elektrotechnik-Elektronik-Informationstechnik (EEI)
Lehrstuhl für Multimediakommunikation und Signalverarbeitung

Raum 06.0230
Cauerstr. 7
91058 Erlangen

Forschung

Seit 2012 Jahren beschäftige ich mich mit der energieeffizienten Videokommunikation. Schwerpunkte in diesem Themengebiet sind die Codierung und die Decodierung von Videodaten, aber auch die Datenübertragung sowie die Wiedergabe auf Endgeräten. Nähere Informationen gibt es auf den folgenden Seiten:

Energy Efficiency Video Experts (EEVE)

Abgeschlossene Abschlussarbeiten

Masterarbeiten

„Adaptive Temporal Downsampling of Video Sequences for Reduced Bitrates and Enhanced Energy Efficiency“, WS 2020/2021
„Temporal Downsampling of Video Sequences for Minimum Quality Degradation“, WS 2020/2021
„Analyse des durch Videokommunikation verursachten CO2-Ausstoßes“, SS 2020
„Improvement of Decoding-Energy-Rate-Distortion Optimization in Bitrate-Irrelevant Scenarios“, WS 2019/2020
„Decoding-Energy-Rate-Distortion Optimization in x264 Video Encoding“, WS 2019/2020

Bachelorarbeiten

„Beyondtegaard-Delta für die Bewertung von Videocodecs“, SS 2020

Forschungspraktika

„Extending an Online Decoding Energy Estimation Tool by H.264“, WS 2020/2021
„Joint Optimization of the Decoding Energy and the Psychovisual Quality in x265“, WS 2019/2020

Auszeichnungen

Matthias Kränzler, Geetha Ramasubbu, Lena Eichermüller, André Kaup, Christian Herglotz: Nachhaltigkeitspreis - Kategorie "Research" (Friedrich-Alexander Universität Erlangen-Nürnberg) – 2023
Matthias Kränzler, Adam Wieckowski, Geetha Ramasubbu, Benjamin Bross, André Kaup, Detlev Marpe, Christian Herglotz: Joint Research Incubator Award (ITG-Fachausschuss MT 2 „Bildkommunikation und Bildverarbeitung“) – 2022
Christian Herglotz: Lehrevaluation (Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU)) – 2022
Christian Herglotz, Stéphane Coulombe, Ahmad Vakili, André Kaup: Best Paper Award (IEEE International Conference on Consumer Technology (ISCT)) – 2019
Christian Herglotz: Lehrevaluation (Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU)) – 2018
Christian Herglotz: Lehrevaluation (Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU)) – 2016
Christian Herglotz, Dominic Springer, Andrea Eichenseer, André Kaup: Paul Dan Cristea Special Award (International Conference on Systems, Signals and Image Processing (IWSSIP)) – 2013

Lehrveranstaltungen

Vorlesung

Virtual Vision

Publikationen

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) (Hrsg.): 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
Eichermüller L., Chaudhari G., Katsavounidis I., Lei Z., Tmar H., Kaup A., Herglotz C.:
Encoder Complexity Control in SVT-AV1 by Speed-Adaptive Preset Switching
IEEE International Conference on Image Processing (ICIP) (Kuala Lumpur, 8. Oktober 2023 - 11. Oktober 2023)
Open Access: https://arxiv.org/abs/2307.05208
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. Oktober 2023 - 11. Oktober 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. Juni 2023 - 10. Juni 2023)
DOI: 10.1145/3593908.3593948
URL: https://arxiv.org/abs/2306.06917
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), S. 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. Juni 2023 - 22. Juni 2023)
DOI: 10.48550/arXiv.2305.15117
URL: https://arxiv.org/abs/2305.15117
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 (Gent, 20. Juni 2023 - 22. Juni 2023)
DOI: 10.1109/qomex58391.2023.10178450
BibTeX: Download
Regensky A., Herglotz C., Kaup A.:
Motion Plane Adaptive Motion Modeling for Spherical Video Coding in H.266/VVC
accepted for IEEE International Conference on Image Processing (ICIP) (Kuala Lumpur, 8. Oktober 2023 - 11. Oktober 2023)
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. Juni 2019 - 21. Juni 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), S. 171-182
ISSN: 1051-8215
DOI: 10.1109/TCSVT.2017.2771819
BibTeX: Download
Herglotz C., Jamali M., Coulombe S., Vazquez C., Vakili A.:
Efficient Coding Of 360° Videos Exploiting Inactive Regions in Projection Formats
IEEE International Conference on Image Processing (ICIP) (Taipei, 22. September 2019 - 25. September 2019)
DOI: 10.1109/ICIP.2019.8803759
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. Mai 2018 - 30. Mai 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. Juni 2018 - 27. Juni 2018)
DOI: 10.1109/pcs.2018.8456244
BibTeX: Download
Herglotz C., Müller D., Weinlich A., Bauer F., Ortner M., Stamminger M., Kaup A.:
Improving HEVC Encoding of Rendered Video Data Using True Motion Information
20th IEEE International Symposium on Multimedia (ISM) (Taichung, 10. Dezember 2018 - 12. Dezember 2018)
DOI: 10.1109/ism.2018.00063
URL: http://arxiv.org/abs/2309.06945
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), S. 217-229
ISSN: 1051-8215
DOI: 10.1109/TCSVT.2016.2598705
BibTeX: Download
Rachuj S., Herglotz C., Reichenbach M., Kaup A., Fey D.:
A Hybrid Approach for Runtime Analysis Using a Cycle and Instruction Accurate Model
Architecture of Computing Systems (ARCS) (Braunschweig, 9. April 2018 - 12. April 2018)
In: Mladen Berekovic, Rainer Buchty, Heiko Hamann, Dirk Koch, Thilo Pionteck (Hrsg.): 31st International Conference on Architecture of Computing Systems (ARCS) 2018
DOI: 10.1007/978-3-319-77610-1_7
URL: http://arcs2018.itec.kit.edu/
BibTeX: Download

2017

Herglotz C.:
Energy Efficient Video Decoding (Dissertation, 2017)
BibTeX: Download
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. Dezember 2016 - 7. Dezember 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. Dezember 2016 - 7. Dezember 2016)
DOI: 10.1109/PCS.2016.7906400
URL: https://doi.org/10.48550/arXiv.2204.10151
BibTeX: Download
Rosales R., Herglotz C., Glaß M., Teich J., Kaup A.:
Analysis and Exploitation of CTU-Level Parallelism in the HEVC Mode Decision Process Using Actor-based Modeling
Architecture of Computing Systems (ARCS) (Nürnberg, 4. April 2016 - 7. April 2016)
In: Springer (Hrsg.): In Proceedings of the International Conference on Architecture of Computing Systems (ARCS), Berlin; Heidelberg: 2016
DOI: 10.1007/978-3-319-30695-7_20
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. Mai 2015 - 29. Mai 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. Mai 2015 - 27. Mai 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. März 2014 - 28. März 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. Oktober 2014 - 30. Oktober 2014)
In: Proc. of Intl. Conf. on Image Processing (ICIP) 2014
DOI: 10.1109/ICIP.2014.7025743
BibTeX: Download
Schnurrer W., Richter T., Seiler J., Herglotz C., Kaup A.:
3-D mesh compensated wavelet lifting for 3-D+t medical CT data
IEEE International Conference on Image Processing (Paris, 27. Oktober 2014 - 30. Oktober 2014)
DOI: 10.1109/ICIP.2014.7025737
BibTeX: Download
Springer D., Herglotz C., Simmet F., Niederkorn D., Kaup A.:
Real-time motion classification of HD video sequences on embedded systems
6th European Embedded Design in Education and Research Conference, EDERC 2014 (Milano, 11. September 2014 - 12. September 2014)
DOI: 10.1109/EDERC.2014.6924379
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. Juli 2013 - 9. Juli 2013)
DOI: 10.1109/IWSSIP.2013.6623457
URL: http://arxiv.org/abs/2203.01755
BibTeX: Download

Standardisierungsbeiträge

E. Francois, Y. He, C. Herglotz: AhG on Carriage of Green Metadata, document m62463, Antalya, TR, 2023
E. Francois, Y. He, C. Herglotz: [18] BoG Report on Carriage of Green metadata, document m63516, Antalya, TR, 2023
Y. He, C. Herglotz, E. Francois: RTP Control Protocol (RTCP) Messages for Temporal-Spatial Resolution - Internet Draft, document draft-ietf-avtcore-rtcp-green-metadata-01, Yokohama, JP, 2023
E. Francois, Y. He, C. Herglotz: AhG report Green metadata, document m62251, Teleconference, 2023
E. Francois, C. Herglotz, Y. He: [19] BoG Report on Carriage of Green metadata, document m62358, Teelconference, 2023
E. Francois, C. Herglotz, Y. He: BoG Report on Carriage of Green metadata, document m61424, Mainz, DE, 2022
C. Herglotz, M. Kränzler, A. Kaup: VTM Encoder Implementation for Green-MPEG SEI Messaging, document JVET-AB0072, Mainz, DE, 2022
Y. He, W. Zia, C. Herglotz, E. Francois: RTP Control Protocol (RTCP) Messages for Green Metadata (work in progress), document draft-he-avtcore-rtcp-green-metadata, Philadelphia, US, 2022
E. Francois, Y. He, C. Herglotz: BoG Report on Carriage of Green metadata, document m60552, Teleconference, 2022
E. Francois, Y. He, C. Herglotz: BoG Report on Carriage of Green metadata, document m59848, Teleconference, 2022
C. Herglotz, M. Kränzler, A. Kaup: VTM Software Implementation for GREEN-MPEG SEI Messaging, document JVET-Z0046, Teleconference, 2022
C. Herglotz, E. Francois, Y. He: [Green] Possible updates of the Green metadata specification, document m59840, Teleconference, 2022
C. Herglotz, E. Francois, Y. He: [Green] On picture size and frame rate signaling in Green Metadata interactive signaling for remote decoder-power reduction, document m58512, Online, 2022
E. Francois, C. Herglotz, Y. He: [Green] Draft DoC on CD text of 23001-11 3rd edition, document m58996, Online, 2022
E. Francois, C. Herglotz, Y. He: BoG Report on Carriage of Green metadata, document m59127, Online, 2022
E. Francois, Y. He, C. Herglotz, Y. Lim: AHG9: Signalling of Green metadata and Video Decoding Interface SEI messages in VVC specification, document JVET-Y0044, Online, 2022
C. Herglotz, M. Kränzler, A. Kaup, E. Francois, M. Radosavljević, E. Reinhard, X. Ducloux, D. Ménard, Y. He, M. Coban, D. Rusanovskyy, M. Karczewicz: Proposed update of the WD of ISO/IEC 23001-11 3rd edition Energy-Efficient Media Consumption – Interactive Signaling for dec_ops_reduction, document m57977, Online, 2021
C. Herglotz, M. Kränzler, A. Kaup, E. Francois, M. Radosavljević, E. Reinhard, X. Ducloux, D. Ménard, Y. He, M. Coban, D. Rusanovskyy, M. Karczewicz: Proposed update of Green MPEG on Complexity metrics for decoder-power reduction for VVC, document m57976, Online, 2021
Y. He, M. Coban, D. Rusanovskyy, M. Karczewicz, E. Francois, M. Radosavljević, E. Reinhard, C. Herglotz, M. Kränzler, A. Kaup, X. Ducloux, D. Ménard: Proposed update of Green MPEG metrics for quality recovery, document m57949, Online, 2021
C. Herglotz, M. Kränzler, A. Kaup, E. Francois, M. Radosavljević, E. Reinhard, X. Ducloux, D. Ménard, Y. He, M. Coban, D. Rusanovskyy, M. Karczewicz: Proposed CD text of Green MPEG 3rd edition specification, document m57978, Online, 2021
E. Francois, Y. He, C. Herglotz: BoG Report on Carriage of Green metadata, document m58362, Online, 2021
C. Herglotz, M. Kränzler, A. Kaup, E. Francois, M. Radosavljević, E. Reinhard, X. Ducloux, D. Ménard, Y. He, M. Coban, D. Rusanovskyy, M. Karczewicz: Proposed Amendment on ISO/IEC 23001-11 (Green MPEG), document m57425, Teleconference, 2021
C. Herglotz, M. Kränzler, A. Kaup, E. Francois, M. Radosavljević, E. Reinhard, X. Ducloux, D. Ménard, Y. He, M. Coban, D. Rusanovskyy, M. Karczewicz: AHG9: Green Metadata SEI message for VVC, document JVET-W0071, Teleconference, 2021
M. Kränzler, C. Herglotz, A. Kaup: Decoding Time and Energy Assessment of VTM-10.0 and VVdeC, document JVET-T0068, Teleconference, 2020
M. Kränzler, C. Herglotz, A. Kaup: Bit Stream Feature Analyzer (BSFA) for Coding Tool Statistics based on VTM-10.0, document JVET-T0067, Teleconference, 2020
M. Kränzler, C. Herglotz, A. Kaup: Modeling of the Decoding Energy for VTM-7.0 with a Bit Stream Feature-Based Model, document JVET-Q0052, Brüssel, BE, 2020
C. Herglotz, M. Kränzler, A. Kaup: Bit Stream Feature Analyzer (BSFA) for Coding Tool Statistics Based on VTM-7.0, document JVET-Q0049, Brüssel, BE, 2020
M. Kränzler, C. Herglotz, A. Kaup: Analysis of the Energy-Time Relationship for VVC and HEVC Software Video Decoders, document JVET-Q0051, Brüssel, BE, 2020
M. Kränzler, C. Herglotz, A. Kaup: AHG13: Decoding Time and Energy Assessment of VTM-7.0, document JVET-Q0050, Brüssel, BE, 2020
M. Kränzler, C. Herglotz, A. Kaup: AHG13: Analysis of the Energy Demand and Time Complexity of Several Coding Tools in VTM-7.0, document JVET-Q0053, Brüssel, BE, 2020
M. Kränzler, C. Herglotz, A. Kaup: Decoding Energy Assessment of VTM-6.0, document JVET-P0084, Genf, CH, 2019
C. Herglotz, M. Kränzler, A. Kaup: Bit Stream Analyzer for Coding Tool Statistics, document JVET-P0085, Genf, CH, 2019
C. Herglotz, A. Kaup: Energy Assessment for Video Decoding, document JVET-K0106, Ljubljana, SI, 2018
C. Herglotz, M. Kränzler, A. Kaup: Energy Modeling for Video Decoding, document JVET-K0107, Ljubljana, SI, 2018
C. Herglotz, M. Kränzler, A. Kaup: Decoding-Energy-Rate-Distortion Optimization, document JVET-K0108, Ljubljana, SI, 2018

Dr.-Ing. Christian Herglotz

Forschung Forschung

Abgeschlossene Abschlussarbeiten Abgeschlossene Abschlussarbeiten

Auszeichnungen Auszeichnungen

Lehrveranstaltungen Lehrveranstaltungen

Vorlesung Vorlesung

Publikationen Publikationen