Category Archives: ATHENA

The 3rd ACM SIGCOMM Workshop on Emerging Multimedia Systems (EMS) 2025 colocated with ACM SIGCOMM 2025. Multimedia has played a significant role in driving Internet usage and has led to a range of technological advancements, such as content delivery networks, compression algorithms, … Continue reading →

Counterfeiting Attacks on a RDH-EI scheme based on block-permutation and Co-XOR ACM Transactions on Multimedia Computing Communications and Applications (ACM TOMM) [PDF] Fan Chen (Southwest Jiaotong University, China),  Lingfeng Qu (Guangzhou University, China), Hadi Amirpour (Alpen-Adria-Universität Klagenfurt), Christian Timmerer (Alpen-Adria-Universität … Continue reading →

IEEE ICME 2025 June 30, 2025- July 04, 2025 Nantes, France https://www.2025.ieeeicme.org/tutorials/ [PDF] Tutorial speakers: Hadi Amirpour (University of Klagenfurt) Christian Timmerer (University of Klagenfurt) Tutorial description: This tutorial provides a comprehensive exploration of the HTTP Adaptive Streaming (HAS) pipeline, … Continue reading →

Perceptually-aware Online Per-title Encoding for Live Video Streaming US Patent [PDF] Vignesh Menon (Alpen-Adria-Universität Klagenfurt, Austria), Hadi Amirpour (Alpen-Adria-Universität Klagenfurt, Austria), and Christian Timmerer (Alpen-Adria-Universität Klagenfurt, Austria)   Abstract: Techniques for implementing perceptually aware per-title encoding may include receiving an input video, … Continue reading →

DORBINE Project Approved by FFG. DORBINE is a project Funded by the Austrian Research Promotion Agency FFG A cooperative project between AIR6 Systems and Alpen-Adria-Universität Klagenfurt (AAU)    For more information, please visit the DORBINE webpage here.  

Real-Time Quality- and Energy-Aware Bitrate Ladder Construction for Live Video Streaming IEEE Journal on Emerging and Selected Topics in Circuits and Systems [PDF] Mohammad Ghasempour (AAU, Austria), Hadi Amirpour (AAU, Austria), and Christian Timmerer (AAU, Austria) Abstract: Live video streaming’s growing … Continue reading →

Multi-resolution Encoding for HTTP Adaptive Streaming using VVenC The IEEE International Symposium on Circuits and Systems (IEEE ISCAS 2025) https://2025.ieee-iscas.org/ 25–28 May 2025 // London, United Kingdom [PDF] Kamran Qureshi (AAU, Austria), Hadi Amirpour (AAU, Austria), Christian Timmerer (AAU, Austria) Abstract: … Continue reading →