Category Archives: ATHENA

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

VCIP’23 Tutorial: Advances in HTTP Adaptive Streaming: New Standards, Video Codecs, and Encoding Optimization Techniques

Posted on December 4, 2023 by

VCIP 2023 Monday, Dec4, 2023 https://vcip2023.iforum.biz/page/goto Lectures: Hadi Amirpour, AAU, AT Christian Timmerer, AAU, AT Abstract: The applications of video streaming are the primary drivers of Internet traffic, as over 82% of IP traffic in 2022. HTTP Adaptive Streaming (HAS) … Continue reading →

Posted in ATHENA | Comments Off on VCIP’23 Tutorial: Advances in HTTP Adaptive Streaming: New Standards, Video Codecs, and Encoding Optimization Techniques

Internship 2024 at ATHENA

Posted on November 29, 2023 by

At Christian Doppler laboratory ATHENA, we offer an internship*)**) for 2024 for Master Students, and we kindly request your applications by the 19th of January 2024 with the following data (in German or English): CV Record of study/transcript (“Studienerfolgsnachweis”) *) … Continue reading →

Posted in ATHENA | Comments Off on Internship 2024 at ATHENA

Network-Assisted Delivery of Adaptive Video Streaming Services through CDN, SDN, and MEC

Posted on November 21, 2023 by

Klagenfurt, August 22, 2023 Congratulations to Dr. Reza Farahani for successfully defending his dissertation on “Network-Assisted Delivery of Adaptive Video Streaming Services through CDN, SDN, and MEC” at Universität Klagenfurt in the context of the Christian Doppler Laboratory ATHENA. Abstract … Continue reading →

Posted in ATHENA | Comments Off on Network-Assisted Delivery of Adaptive Video Streaming Services through CDN, SDN, and MEC