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VQM4HAS: A Real-time Quality Metric for HEVC Videos in HTTP Adaptive Streaming IEEE Transactions on Multimedia [PDF]  Hadi Amirpour (AAU, AT), Jingwen Zhu (Nantes University, FR), Wei Zhu (Cardiff University, UK), Patrick Le Callet (Nantes University, FR), and Christian Timmerer … Continue reading →

ACM MM 2025 October 27, 2025 Dublin, Ireland https://acmmm2025.org/tutorial/ Tutorial speakers: Wei Zhou (Cardiff University) Hadi Amirpour (University of Klagenfurt) Tutorial description: As multimedia services like video streaming, video conferencing, virtual reality (VR), and online gaming continue to expand, ensuring … Continue reading →

The 2nd ACM MM Workshop on Multimedia Computing for Health and Medicine Website In health and medicine, an immense amount of data is being generated by distributed sensors and cameras, as well as multimodal digital health platforms that support multimedia, … Continue reading →

Convex Hull Prediction Methods for Bitrate Ladder Construction: Design, Evaluation, and Comparison ACM Transactions on Multimedia Computing Communications and Applications (ACM TOMM) [PDF] Ahmed Telili (INSA, Rennes, France),  Wassim Hamidouce (INSA, Rennes, France), Hadi Amirpour (Alpen-Adria-Universität Klagenfurt), Sid Ahmed Fezza … 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 →