Author Archives:

OTEC: An Optimized Transcoding Task Scheduler for Cloud and Fog Environments

Posted on October 24, 2022 by

ACM CoNEXT 2022 – ViSNext 22 Workshop 6 – 9 December, 2022 | Rome, Italy                                                     … Continue reading →

Posted in APOLLO, ATHENA, GAIA | Comments Off on OTEC: An Optimized Transcoding Task Scheduler for Cloud and Fog Environments

Live is Life: Efficient Two-pass Per-title Encoding for Adaptive Live Streaming (Industry demo at ICIP 2022)

Posted on October 17, 2022 by

2022 IEEE International Conference on Image Processing (ICIP) October 16-19, 2022 | Bordeaux, France Conference Website   Abstract: According to the Bitmovin Video Developer Report 2021, live streaming at scale has the highest scope for innovation in video streaming services. Currently, … Continue reading →

Posted in ATHENA | Comments Off on Live is Life: Efficient Two-pass Per-title Encoding for Adaptive Live Streaming (Industry demo at ICIP 2022)

Towards Better Quality of Experience in HTTP Adaptive Streaming

Posted on September 27, 2022 by

16th International Conference on Signal Image Technology & Internet based Systems October 19-21, 2022 | Dijon, France Conference Website [PDF] Babak Taraghi (AAU, Austria), Selina Zoë Haack (AAU, Austria), and Christian Timmerer (AAU, Austria) Abstract: HTTP Adaptive Streaming (HAS) is nowadays … Continue reading →

Posted in ATHENA | Comments Off on Towards Better Quality of Experience in HTTP Adaptive Streaming

Hadi Amirpour to give a talk at INSA France

Posted on September 25, 2022 by

LiVE: Toward Better Live Video Experience INSA, France  27th September 2022 | Rennes, France   Abstract: In this presentation, we first introduce the principles of video streaming and the existing challenges. While live video streaming is expected to continue growing … Continue reading →

Posted in ATHENA | Comments Off on Hadi Amirpour to give a talk at INSA France

Secure Reversible Data Hiding in Encrypted Images based on Classification Encryption Difference

Posted on August 10, 2022 by

IEEE 24th Workshop on MultiMedia Signal Processing (MMSP) September 26-28, 2022 | Shanghai, China [PDF] Lingfeng Qu (Southwest Jiaotong University),  Hadi Amirpour (Alpen-Adria-Universität Klagenfurt),   Mohammad Ghanbari (University of Essex, UK), and Christian Timmerer (Alpen-Adria-Universität Klagenfurt), Hongjie He (Southwest Jiaotong University) Abstract: This paper introduces an algorithm to … Continue reading →

Posted in ATHENA | Comments Off on Secure Reversible Data Hiding in Encrypted Images based on Classification Encryption Difference

Between Two and Six? Towards Correct Estimation of JND Step Sizes for VMAF-based Bitrate Laddering

Posted on July 13, 2022 by

 14th International Conference on Quality of Multimedia Experience (QoMEX) September 5-7, 2022 | Lippstadt, Germany [PDF][Poster] Hadi Amirpour (Alpen-Adria-Universität Klagenfurt), Raimund Schatz (AIT Austrian Institute of Technology, Austria), and Christian Timmerer (Alpen-Adria-Universität Klagenfurt) Abstract: We currently witness the rapidly growing importance of intelligent video streaming quality … Continue reading →

Posted in ATHENA | Comments Off on Between Two and Six? Towards Correct Estimation of JND Step Sizes for VMAF-based Bitrate Laddering

FuRA: Fully Random Access Light Field Image Compression

Posted on July 12, 2022 by

10th European Workshop on Visual Information Processing (EUVIP) September 11-14, 2022 | Lisbon, Portugal [PDF] Hadi Amirpour (Alpen-Adria-Universität Klagenfurt),   Christine Guillemot (INRIA, France), and Christian Timmerer (Alpen-Adria-Universität Klagenfurt) Abstract: Light fields are typically represented by multi-view images and enable post-capture actions such as refocusing and … Continue reading →

Posted in ATHENA | Comments Off on FuRA: Fully Random Access Light Field Image Compression