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Most of the existing deep learning based end-to-end video coding (DLEC) architectures are designed specifically for RGB color format, yet the video coding standards, including H.264/AVC, H.265/HEVC and H.266/VVC developed over past few…

Computer Vision and Pattern Recognition · Computer Science 2021-04-05 Ankitesh K. Singh , Hilmi E. Egilmez , Reza Pourreza , Muhammed Coban , Marta Karczewicz , Taco S. Cohen

Video super-resolution (VSR) is a critical task for enhancing low-bitrate and low-resolution videos, particularly in streaming applications. While numerous solutions have been developed, they often suffer from high computational demands,…

Image and Video Processing · Electrical Eng. & Systems 2024-09-27 Marcos V Conde , Zhijun Lei , Wen Li , Christos Bampis , Ioannis Katsavounidis , Radu Timofte

Multi-encoding implies encoding the same content in multiple spatial resolutions and multiple bitrates. This work evaluates the encoder analysis correlations across 2160p, 1080p, and 540p encodings of the same video for conventional ABR…

Multimedia · Computer Science 2023-01-31 Vignesh V Menon

Prior to encoding color images for RGB full-color, Bayer color filter array (CFA), and digital time delay integration (DTDI) CFA images, performing chroma subsampling on their converted chroma images is necessary and important. In this…

Image and Video Processing · Electrical Eng. & Systems 2020-09-24 Kuo-Liang Chung , Szu-Ni Chen , Yu-Ling Lee , Chao-Liang Yu

The rapid growth in video consumption has introduced significant challenges to modern streaming architectures. Over-the-Top (OTT) video delivery now predominantly relies on Adaptive Bitrate (ABR) streaming, which dynamically adjusts bitrate…

Image and Video Processing · Electrical Eng. & Systems 2026-02-03 Esteban Pesnel , Julien Le Tanou , Michael Ropert , Thomas Maugey , Aline Roumy

The integration of advanced video codecs into the streaming pipeline is growing in response to the increasing demand for high quality video content. However, the significant computational demand for advanced codecs like Versatile Video…

Multimedia · Computer Science 2023-12-14 Yiqun Liu , Hadi Amirpour , Mohsen Abdoli , Christian Timmerer , Thomas Guionnet

Generative image codecs aim to optimize perceptual quality, producing realistic and detailed reconstructions. However, they often overlook a key property of human vision: our tendency to focus on particular aspects of a visual scene (e.g.,…

Image and Video Processing · Electrical Eng. & Systems 2026-04-02 Lucas Relic , Roberto Azevedo , Yang Zhang , Stephan Mandt , Markus Gross , Christopher Schroers

Images captured underwater are often characterized by low contrast, color distortion, and noise. To address these visual degradations, we propose a novel scheme by constructing an adaptive color and contrast enhancement, and denoising…

Computer Vision and Pattern Recognition · Computer Science 2021-08-03 Xinjie Li , Guojia Hou , Kunqian Li , Zhenkuan Pan

Video-on-demand streaming has benefitted from \textit{content-adaptive encoding} (CAE), i.e., adaptation of resolution and/or quantization parameters for each scene based on convex hull optimization. However, CAE is very challenging to…

Image and Video Processing · Electrical Eng. & Systems 2025-12-01 Shakarim Soltanayev , Odysseas Zisimopoulos , Mohammad Ashraful Anam , Man Cheung Kung , Angeliki Katsenou , Yiannis Andreopoulos

Recent years have witnessed the dramatic growth of Internet video traffic, where the video bitstreams are often compressed and delivered in low quality to fit the streamer's uplink bandwidth. To alleviate the quality degradation, it comes…

Image and Video Processing · Electrical Eng. & Systems 2023-03-09 Qihua Zhou , Ruibin Li , Song Guo , Peiran Dong , Yi Liu , Jingcai Guo , Zhenda Xu

The growth in video Internet traffic and advancements in video attributes such as framerate, resolution, and bit-depth boost the demand to devise a large-scale, highly efficient video encoding environment. This is even more essential for…

Adaptive video streaming has facilitated improved video streaming over the past years. A balance among coding performance objectives such as bitrate, video quality, and decoding complexity is required to achieve efficient, content- and…

Image and Video Processing · Electrical Eng. & Systems 2026-01-16 Angeliki Katsenou , Vignesh V. Menon , Guoda Laurinaviciute , Benjamin Bross , Detlev Marpe

Audio-visual video segmentation~(AVVS) aims to generate pixel-level maps of sound-producing objects within image frames and ensure the maps faithfully adhere to the given audio, such as identifying and segmenting a singing person in a…

Computer Vision and Pattern Recognition · Computer Science 2023-09-21 Kexin Li , Zongxin Yang , Lei Chen , Yi Yang , Jun Xiao

To avoid delays arising from a need to decrypt a video prior to transcoding and then re-encrypt it afterwards, this paper assesses a selective encryption (SE) content protection scheme. The scheme is suited to both recent standardized…

Multimedia · Computer Science 2019-02-20 Rizwan A. Shah , Mamoona N. Asghar , Saima Abdullah , Martin Fleury , Neelam Gohar

This paper addresses the problem of supervised video summarization by formulating it as a sequence-to-sequence learning problem, where the input is a sequence of original video frames, the output is a keyshot sequence. Our key idea is to…

Computer Vision and Pattern Recognition · Computer Science 2018-04-17 Zhong Ji , Kailin Xiong , Yanwei Pang , Xuelong Li

The number of bandwidth-hungry applications and services is constantly growing. HTTP adaptive streaming of audio-visual content accounts for the majority of today's internet traffic. Although the internet bandwidth increases also…

Multimedia · Computer Science 2018-03-20 Anatoliy Zabrovskiy , Christian Feldmann , Christian Timmerer

Volumetric video (VV) streaming enables real-time, immersive access to remote 3D environments, powering telepresence, ecological monitoring, and robotic teleoperation. These applications turn VV streaming into a real-time interface to…

State-of-the-art super-resolution (SR) algorithms require significant computational resources to achieve real-time throughput (e.g., 60Mpixels/s for HD video). This paper introduces FAST (Free Adaptive Super-resolution via Transfer), a…

Computer Vision and Pattern Recognition · Computer Science 2017-08-18 Zhengdong Zhang , Vivienne Sze

Recently, soft video multicasting has gained a lot of attention, especially in broadcast and mobile scenarios where the bit rate supported by the channel may differ across receivers, and may vary quickly over time. Unlike the conventional…

Multimedia · Computer Science 2020-03-09 Hadi Hadizadeh , Ivan V. bajic

Online Transformer-based automatic speech recognition (ASR) systems have been extensively studied due to the increasing demand for streaming applications. Recently proposed Decoder-end Adaptive Computation Steps (DACS) algorithm for online…

Audio and Speech Processing · Electrical Eng. & Systems 2021-04-27 Mohan Li , Catalin Zorila , Rama Doddipatla