Category Archives: ATHENA

  Between July and August 2024, the ATHENA Christian Doppler Laboratory hosted four interns working on the following topics: Halime Lezi: Image and Video Compression Pipeline Luka Kaiser: VidStream Julius van Dillen: Enhancing Video Quality with Super-Resolution At the conclusion … Continue reading →

Energy-Efficient Spatial and Temporal Resolution Selection for Per-Title Encoding IEEE Access [PDF] Mohammad Ghasempour (AAU, Austria), Hadi Amirpour (AAU, Austria), and Christian Timmerer (AAU, Austria) Abstract: Video streaming has become an integral part of our digital lives, driving the need for … Continue reading →

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 →

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 →

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 →

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 →