Category Archives: ATHENA

E-WISH: An Energy-aware ABR Algorithm For Green HTTP Adaptive Video Streaming

Posted on January 22, 2024 by

ACM Mile-High Video 2024 February 11-14, 2024, Marriott DTC, Denver, US [PDF] Daniele Lorenzi (AAU, Austria), Minh Nguyen (AAU, Austria), Farzad Tashtarian (AAU, Austria), and Christian Timmerer (AAU, Austria) Abstract: HTTP Adaptive Streaming (HAS) is the de-facto solution for delivering … Continue reading →

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Content-adaptive Video Coding for HTTP Adaptive Streaming

Posted on January 17, 2024 by

Klagenfurt, January 15, 2024 Congratulations to Dr. Vignesh V Menon for successfully defending his dissertation on “Content-adaptive Video Coding for HTTP Adaptive Streaming” at Universität Klagenfurt in the context of the Christian Doppler Laboratory ATHENA. Abstract In today’s dynamic streaming landscape, … Continue reading →

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Exploring Bitrate Costs for Enhanced User Satisfaction: A Just Noticeable Difference (JND) Perspective

Posted on January 8, 2024 by

Data Compression Conference (DCC) 19-22 March 2024, Snowbird, Utah, USA [PDF] Hadi Amirpour (AAU, Austria), Jingwen Zhu (University of Nantes, France), Raimund Schatz (AIT, Austria), Patrick Le Callet (University of Nantes, France), and Christian Timmerer (AAU, Austria) Abstract: The evolving landscape of the delivery … Continue reading →

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A Real-time Video Quality Metric for HTTP Adaptive Streaming

Posted on December 14, 2023 by

IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) 14-19 April 2024, Seoul, Korea [PDF] Hadi Amirpour (AAU, Austria), Jingwen Zhu (University of Nantes, France), Patrick Le Callet (University of Nantes, France), and Christian Timmerer (AAU, Austria) Abstract: In HTTP Adaptive Streaming (HAS), … Continue reading →

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Energy-aware Resolution Selection for Per-title Encoding

Posted on December 14, 2023 by

IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) 14-19 April 2024, Seoul, Korea [PDF] Mohammad Ghasempour (AAU, Austria), Hadi Amirpour (AAU, Austria), Mohammad Ghanbari (University of Essex, UK), and Christian Timmerer (AAU, Austria) Abstract: With the ubiquity of video streaming, … Continue reading →

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Ring Co-XOR Encryption Based Reversible Data Hiding for 3D Mesh Model

Posted on December 13, 2023 by

Elsevier Signal Processing [PDF] Lingfeng Qu (Guangzhou University, China), Hui Lu (Guangzhou University, China), Peng Chen (Guangzhou University, China),  Hadi Amirpour (Alpen-Adria-Universität Klagenfurt, Austria), and Christian Timmerer (Alpen-Adria-Universität Klagenfurt, Austria)   Abstract: Reversible data hiding in encrypted domain (RDH-ED) is widely used for ensuring … Continue reading →

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ISO/IEC Excellence Award awarded to Christian Timmerer for his contributions to MPEG-DASH

Posted on December 7, 2023 by

On behalf of ISO and IEC, this certificate is awarded to Christian Timmerer Project Editor in ISO/IEC|TC 1/SC 29/WG 3, MPEG Systems In recognition of his excellent service to ISO/lEC JTC 1/SC 29, in particular, his exceptional contributions to the … Continue reading →

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