Category Archives: ATHENA

Content-adaptive Video Coding for HTTP Adaptive Streaming

Posted on January 17, 2024 by

Klagenfurt, January 15, 2024 Congratulations to Dr. Vignesh V Menon for successfully defending his dissertation on “Content-adaptive Video Coding for HTTP Adaptive Streaming” at Universität Klagenfurt in the context of the Christian Doppler Laboratory ATHENA. Abstract In today’s dynamic streaming landscape, … Continue reading →

Posted in ATHENA | Comments Off on Content-adaptive Video Coding for HTTP Adaptive Streaming

Exploring Bitrate Costs for Enhanced User Satisfaction: A Just Noticeable Difference (JND) Perspective

Posted on January 8, 2024 by

Data Compression Conference (DCC) 19-22 March 2024, Snowbird, Utah, USA [PDF] Hadi Amirpour (AAU, Austria), Jingwen Zhu (University of Nantes, France), Raimund Schatz (AIT, Austria), Patrick Le Callet (University of Nantes, France), and Christian Timmerer (AAU, Austria) Abstract: The evolving landscape of the delivery … Continue reading →

Posted in ATHENA | Comments Off on Exploring Bitrate Costs for Enhanced User Satisfaction: A Just Noticeable Difference (JND) Perspective

A Real-time Video Quality Metric for HTTP Adaptive Streaming

Posted on December 14, 2023 by

IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) 14-19 April 2024, Seoul, Korea [PDF] Hadi Amirpour (AAU, Austria), Jingwen Zhu (University of Nantes, France), Patrick Le Callet (University of Nantes, France), and Christian Timmerer (AAU, Austria) Abstract: In HTTP Adaptive Streaming (HAS), … Continue reading →

Posted in ATHENA | Comments Off on A Real-time Video Quality Metric for HTTP Adaptive Streaming

Energy-aware Resolution Selection for Per-title Encoding

Posted on December 14, 2023 by

IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) 14-19 April 2024, Seoul, Korea [PDF] Mohammad Ghasempour (AAU, Austria), Hadi Amirpour (AAU, Austria), Mohammad Ghanbari (University of Essex, UK), and Christian Timmerer (AAU, Austria) Abstract: With the ubiquity of video streaming, … Continue reading →

Posted in ATHENA | Comments Off on Energy-aware Resolution Selection for Per-title Encoding

Ring Co-XOR Encryption Based Reversible Data Hiding for 3D Mesh Model

Posted on December 13, 2023 by

Elsevier Signal Processing [PDF] Lingfeng Qu (Guangzhou University, China), Hui Lu (Guangzhou University, China), Peng Chen (Guangzhou University, China),  Hadi Amirpour (Alpen-Adria-Universität Klagenfurt, Austria), and Christian Timmerer (Alpen-Adria-Universität Klagenfurt, Austria)   Abstract: Reversible data hiding in encrypted domain (RDH-ED) is widely used for ensuring … Continue reading →

Posted in ATHENA | Comments Off on Ring Co-XOR Encryption Based Reversible Data Hiding for 3D Mesh Model

ISO/IEC Excellence Award awarded to Christian Timmerer for his contributions to MPEG-DASH

Posted on December 7, 2023 by

On behalf of ISO and IEC, this certificate is awarded to Christian Timmerer Project Editor in ISO/IEC|TC 1/SC 29/WG 3, MPEG Systems In recognition of his excellent service to ISO/lEC JTC 1/SC 29, in particular, his exceptional contributions to the … Continue reading →

Posted in ATHENA | Comments Off on ISO/IEC Excellence Award awarded to Christian Timmerer for his contributions to MPEG-DASH

Evaluation of Quality of Experience of ABR Schemes in Gaming Stream

Posted on December 5, 2023 by

Klagenfurt, November 29, 2023 Reza Ebrahimi successfully defended his Master Thesis on “Quality of Experience Evaluation of Stall Events and Quality Switches in Game Streaming“. Abstract: The exponential growth of computer game streaming has led to the development of Quality … Continue reading →

Posted in ATHENA | Comments Off on Evaluation of Quality of Experience of ABR Schemes in Gaming Stream