Category Archives: ATHENA

Successful 5-year Evaluation of Christian Doppler Laboratory ATHENA

Posted on July 12, 2024 by

The Christian Doppler (CD) Laboratory ATHENA was established in October 2019 to tackle current and future research and deployment challenges of HTTP Adaptive Streaming (HAS) and emerging streaming methods. The goal of CD laboratories is to conduct application-oriented basic research, … Continue reading →

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End-to-end Quality of Experience Evaluation for HTTP Adaptive Streaming

Posted on July 10, 2024 by

Klagenfurt, July 10, 2024 Congratulations to Dr. Babak Taraghi for successfully defending his dissertation on “End-to-end Quality of Experience Evaluation for HTTP Adaptive Streaming” at Universität Klagenfurt in the context of the Christian Doppler Laboratory ATHENA. Abstract HTTP Adaptive Streaming (HAS) … Continue reading →

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COBIRAS: Offering a Continuous Bit Rate Slide to Maximize DASH Streaming Bandwidth Utilization

Posted on July 1, 2024 by

COBIRAS: Offering a Continuous Bit Rate Slide to Maximize DASH Streaming Bandwidth Utilization ACM Transactions on Multimedia Computing Communications and Applications (ACM TOMM) [PDF] Michael Seufert (University of Augsburg, Germany), Marius Spangenberger (University of Würzburg, Germany), Fabian Poignée (University of … Continue reading →

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Best Paper Award at PCS

Posted on June 24, 2024 by

The paper titled “Beyond Curves and Thresholds – Introducing Uncertainty Estimation to Satisfied User Ratios for Compressed Video,” co-authored by Jingwen Zhu, Hadi Amirpour, Raimund Shatz, Patrick Le Callet, and Christian Timmerer, received the Best Paper Award at the 37th … Continue reading →

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ACM TOMM Special Issue on ACM Multimedia Systems 2024 and Co-located Workshops

Posted on June 24, 2024 by

This special issue aims to collect extended versions of the accepted papers at ACM Multimedia Systems 2024 and co-located workshops (i.e., NOSSDAV, MMVE, and GMSys). Similarly, as for 2023, it is planned that all accepted MMSys full research papers and … Continue reading →

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Christian Timmerer presents at Telecom Seminar Series at TII about HTTP Adaptive Streaming

Posted on June 24, 2024 by

HTTP Adaptive Streaming – Quo Vadis? Jun 27, 2024, 04:00 PM Dubai [Slides] Abstract: Video traffic on the Internet is constantly growing; networked multimedia applications consume a predominant share of the available Internet bandwidth. A major technical breakthrough and enabler … Continue reading →

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Patent Approval for “Per-Title Encoding Using Spatial and Temporal Resolution Downscaling”

Posted on June 19, 2024 by

Per-Title Encoding Using Spatial and Temporal Resolution Downscaling US Patent [PDF] Hadi Amirpour (Alpen-Adria-Universität Klagenfurt, Austria) and Christian Timmerer (Alpen-Adria-Universität Klagenfurt, Austria)   Abstract: Techniques relating to per-title encoding using spatial and temporal resolution downscaling is disclosed. A method for per-title encoding … Continue reading →

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