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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 →

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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 →

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JPEG Image Encryption with DC Rotation and Undivided RSV-based AC Group Permutation

Posted on November 20, 2023 by

IEEE Transactions on Multimedia (TMM) [PDF] Yuan Yuan (Southwest Jiaotong University, China), Hongjie He (Southwest Jiaotong University, China), Yaolin Yang (Southwest Jiaotong University, China), Hadi Amirpour (AAU, Klagenfurt, Austria), Christian Timmerer (AAU, Klagenfurt, Austria), Fan Chen (Southwest Jiaotong University, China) Abstract: Existing … Continue reading →

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Cryptanalysis of a Reversible Data Hiding Scheme in Encrypted Images by Improved Redundant Space Transfer

Posted on October 2, 2023 by

IEEE International Conference on Visual Communications and Image Processing (VCIP) 03-07 December 2023, Jeju, South Korea [PDF] Lingfeng Qu (SWJTU, China), Hongjie He (SWJTU, China), Hadi Amirpour (AAU, Austria), Mohammad Ghanbari (University of Essex, UK) , and Christian Timmerer (AAU, Austria) Abstract: In this paper, … Continue reading →

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Enhancing Satisfied User Ratio (SUR) Prediction for VMAF Proxy through Video Quality Metrics

Posted on October 2, 2023 by

IEEE International Conference on Visual Communications and Image Processing (VCIP) 03-07 December 2023, Jeju, Korea [PDF] Jingwen zhu (Nantes University), Hadi Amirpour (AAU, Austria), Raimund Schatz (AIT, Austria) ,  Christian Timmerer (AAU, Austria), and Patrick Le Callet (Nantes University) Abstract: In adaptive video streaming, … Continue reading →

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Preparing VVC for Streaming: A Fast Multi-Rate Encoding Approach

Posted on September 28, 2023 by

IEEE International Conference on Visual Communications and Image Processing (VCIP) 03-07 December 2023, Jeju, Korea [PDF] Yiqun Liu (Ateme), Hadi Amirpour (Alpen-Adria-Universität Klagenfurt), Mohsen Abdoli (IRT b-com),  Christian Timmerer (Alpen-Adria-Universität Klagenfurt), and Thomas Guionnet (Ateme) Abstract: The integration of advanced video codecs into the streaming … Continue reading →

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

Posted on July 10, 2023 by

IEEE ICME 2023 Monday, July 10, 2023 https://www.2023.ieeeicme.org/tutorial-prop.php Lectures: Hadi Amirpour, AAU, AT Yutiy Reznik, Brightcove, USA Nabajeet Barman,  Brightcove Christian Timmerer, AAU, AT Abstract: The applications of video streaming are the primary drivers of Internet traffic, as over 82% … Continue reading →

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