Category Archives: ATHENA

A Tutorial on Immersive Video Delivery: From Omnidirectional Video to Holography

Posted on March 27, 2023 by

IEEE Communications Surveys and Tutorials [PDF] Jeroen van der Hooft (Ghent University, Belgium), Hadi Amirpour (AAU, Austria), Maria Torres Vega (KU Leuven, Belgium), Yago Sanchez (Fraunhofer/HHI), Raimund Schatz (AIT, Austria), Thomas Schierl (Fraunhofer/HHI, Germany), and Christian Timmerer (AAU, Austria) Abstract: Video services are evolving … Continue reading →

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Transcoding Quality Prediction for Adaptive Video Streaming

Posted on March 20, 2023 by

2023 ACM Mile High Video (MHV)  May 7-10, 2023 | Denver, US [PDF] [Slides] Vignesh V Menon (Alpen-Adria-Universität Klagenfurt), Reza Farahani (Alpen-Adria-Universität Klagenfurt), Prajit T Rajendran (Universite Paris-Saclay), Mohammed Ghanbari (University of Essex), Hermann Hellwagner (Alpen-Adria-Universität Klagenfurt),  and Christian Timmerer (Alpen-Adria-Universität Klagenfurt). Abstract: … Continue reading →

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LLL-CAdViSE: Live Low-Latency Cloud-based Adaptive Video Streaming Evaluation framework

Posted on March 13, 2023 by

IEEE Access, A Multidisciplinary, Open-access Journal of the IEEE [PDF, GitHub, Slides, Video] Babak Taraghi , Hermann Hellwagner and Christian Timmerer (AAU, Austria) Low-latency live streaming by HTTP Chunked Transfer EncodingAbstract: Live media streaming is a challenging task by itself, and when it … Continue reading →

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SPACE: Segment Prefetching and Caching at the Edge for Adaptive Video Streaming

Posted on February 28, 2023 by

IEEE Access [PDF] Jesús Aguilar Armijo (Alpen-Adria-Universität Klagenfurt), Christian Timmerer (Alpen-Adria-Universität Klagenfurt) and Hermann Hellwagner (Alpen-Adria-Universität Klagenfurt) Abstract: Multi-access Edge Computing (MEC) is a new paradigm that brings storage and computing close to the clients. MEC enables the deployment of complex network-assisted mechanisms for … Continue reading →

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Farzad Tashtarian to give the initial talk of his habilitation at Klagenfurt University.

Posted on February 27, 2023 by

How to Optimize Dynamic Adaptive Video Streaming? Challenges and Solutions Abstract: Empowered by today’s rich tools for media generation and collaborative production and convenient network access to the Internet, video streaming has become very popular. Dynamic adaptive video streaming is a … Continue reading →

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Patent approval for “Fast multi-rate encoding for adaptive HTTP streaming”

Posted on February 24, 2023 by

Fast multi-rate encoding for adaptive HTTP streaming US Patent [PDF] Hadi Amirpour (Alpen-Adria-Universität Klagenfurt, Austria), Ekrem Çetynkaya (Alpen-Adria-Universität Klagenfurt, Austria), and Christian Timmerer (Alpen-Adria-Universität Klagenfurt, Austria)   Abstract: According to embodiments of the disclosure, information of higher and lower quality encoded video segments is … Continue reading →

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VCA v2.0 released!

Posted on February 13, 2023 by

Another Valentine’s day, another gift from ATHENA! We are delighted to share Video Complexity Analyzer (VCA) version 2.0. The new release brings add-on benefits over our previous release, v1.5, like supporting analysis of High Dynamic Range (HDR) videos. The version … Continue reading →

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