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- Happy World Standards Day 2024 October 14, 2024
- ACM Mile-High Video Conference 2025: Call for Contributions September 27, 2024
- MPEG news: a report from the 147th meeting September 16, 2024
- University assistant predoctoral (all genders welcome) (in German: Universitätsassistent:in) August 7, 2024
- Successful 5-year Evaluation of Christian Doppler Laboratory ATHENA July 15, 2024
- HTTP Adaptive Streaming – Quo Vadis? (2024) July 1, 2024
- Video Streaming: Then, Now, Future June 6, 2024
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- Patent Approval for “Scalable Per-Title Encoding” November 8, 2024
- In-Band Quality Notification from Users to ISPs October 19, 2024
- Characterizing the Geometric Complexity of G-PCC Compressed Point Clouds October 15, 2024
- Energy-Efficient Video Streaming: A Study on Bit Depth and Color Subsampling October 15, 2024
- MVCD: Multi-Dimensional Video Compression Dataset October 15, 2024
Category Archives: ATHENA
Improving Per-title Encoding for HTTP Adaptive Streaming by Utilizing Video Super-resolution
Visual Communications and Image Processing (VCIP 2021) 5-8 December 2021, Munich, Germany [PDF][Slides] Hadi Amirpour (Alpen-Adria-Universität Klagenfurt), Hannaneh Barahouei Pasandi (Virginia Commonwealth University), Mohammad Ghanbari (School of Computer Science and Electronic Engineering, University of Essex, Colchester, UK), and Christian Timmerer … Continue reading
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On the Impact of Viewing Distance on Perceived Video Quality
IEEE Visual Communications and Image Processing (VCIP 2021) 5-8 December 2021, Munich, Germany [PDF][Slides] Hadi Amirpour (Alpen-Adria-Universität Klagenfurt), Raimund Schatz (AIT Austrian Institute of Technology, Austria), Mohammad Ghanbari (School of Computer Science and Electronic Engineering, University of Essex, Colchester, UK), … Continue reading
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INTENSE: In-depth Studies on Stall Events and Quality Switches and Their Impact on the Quality of Experience in HTTP Adaptive Streaming
IEEE Access, A Multidisciplinary, Open-access Journal of the IEEE [PDF] Babak Taraghi (AAU, Austria), Minh Nguyen (AAU, Austria), Hadi Amirpour (AAU, Austria), Christian Timmerer (AAU, Austria) Abstract: With the recent growth of multimedia traffic over the Internet and emerging multimedia … Continue reading
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Interns at the ATHENA (Summer 2021)
In July 2021, the ATHENA Christian Doppler Laboratory hosted three interns working on the following topics: Kassian Fuger: Machine Learning and Video Encoding for HTTP Adaptive Streaming Timo Pfeifer: HTTP Adaptive Streaming for Mobile Devices Vanessa Fröhlich: Machine Learning and … Continue reading
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Special issue on Open Media Compression: Overview, Design Criteria, and Outlook on Emerging Standards
Special issue on Open Media Compression: Overview, Design Criteria, and Outlook on Emerging Standards Proceedings of the IEEE, vol. 109, no. 9, Sept. 2021 By CHRISTIAN TIMMERER, Senior Member IEEE Guest Editor MATHIAS WIEN, Member IEEE Guest Editor LU YU, … Continue reading
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MPEG AG 5 Workshop on Quality of Immersive Media: Assessment and Metrics
The Quality of Experience (QoE) is well-defined in QUALINET white papers [here, here], but its assessment and metrics are subject to research. The aim of this workshop on “Quality of Immersive Media: Assessment and Metrics” is to provide a forum … Continue reading
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IEEE eScience 2021: Where to Encode: A Performance Analysis of Intel x86 and Arm-based Amazon EC2 Instances
17th IEEE eScience 2021 20-23 September 2021 // Innsbruck, Austria // Online Conference Conference Website [PDF][Slides][Video] Roland Matha´∗, Dragi Kimovski*, Anatoliy Zabrovskiy*‡, Christian Timmerer*†, Radu Prodan* Institute of Information Technology (ITEC), University of Klagenfurt, Austria* Bitmovin, Klagenfurt, Austria† Petrozavodsk State … Continue reading