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Overfitted neural video codecs offer a decoding complexity orders of magnitude smaller than their autoencoder counterparts. Yet, this low complexity comes at the cost of limited compression efficiency, in part due to their difficulty…

Image and Video Processing · Electrical Eng. & Systems 2025-03-27 Thomas Leguay , Théo Ladune , Pierrick Philippe , Olivier Deforges

Autoencoder-based structures have dominated recent learned image compression methods. However, the inherent information loss associated with autoencoders limits their rate-distortion performance at high bit rates and restricts their…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Hanyue Tu , Siqi Wu , Li Li , Wengang Zhou , Houqiang Li

Classical video coding for satisfying humans as the final user is a widely investigated field of studies for visual content, and common video codecs are all optimized for the human visual system (HVS). But are the assumptions and…

Image and Video Processing · Electrical Eng. & Systems 2022-03-14 Kristian Fischer , Christian Herglotz , André Kaup

This paper presents an end-to-end learning-based video compression system, termed CANF-VC, based on conditional augmented normalizing flows (CANF). Most learned video compression systems adopt the same hybrid-based coding architecture as…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Yung-Han Ho , Chih-Peng Chang , Peng-Yu Chen , Alessandro Gnutti , Wen-Hsiao Peng

Scalable video coding (SVC) is extended from its predecessor advanced video coding (AVC) because of its flexible transmission to all type of gadgets. However, SVC is more flexible and scalable than AVC, but it is more complex in determining…

Multimedia · Computer Science 2020-09-09 L. Balaji , K. K. Thyagharajan , C. Raja , A. Dhanalakshmi

Linear block transform coding remains a fundamental component of image and video compression. Although the Discrete Cosine Transform (DCT) is widely employed in all current compression standards, its sub-optimality has sparked ongoing…

Image and Video Processing · Electrical Eng. & Systems 2024-11-28 Alessandro Gnutti , Chia-Hao Kao , Wen-Hsiao Peng , Riccardo Leonardi

The intent of the H.264 AVC project was to create a standard capable of providing good video quality at substantially lower bit rates than previous standards without increasing the complexity of design so much that it would be impractical…

Multimedia · Computer Science 2009-09-02 Sourabh Rungta , Kshitij Verma , Neeta Tripathi , Anupam Shukla

In VP9 video codec, the sizes of blocks are decided during encoding by recursively partitioning 64$\times$64 superblocks using rate-distortion optimization (RDO). This process is computationally intensive because of the combinatorial search…

Image and Video Processing · Electrical Eng. & Systems 2020-07-30 Somdyuti Paul , Andrey Norkin , Alan C. Bovik

Although HTTP-based video streaming can easily penetrate firewalls and profit from Web caches, the underlying TCP may introduce large delays in case of a sudden capacity loss. To avoid an interruption of the video stream in such cases we…

Multimedia · Computer Science 2016-05-13 Zakaria Ye , Rachid El-Azouzi , Tania Jimenez , Eitan Altman , Stefan Valentin

In lossy image compression, the objective is to achieve minimal signal distortion while compressing images to a specified bit rate. The increasing demand for visual analysis applications, particularly in classification tasks, has emphasized…

Multimedia · Computer Science 2024-05-07 Yuefeng Zhang

Recent advances in implicit neural representation (INR)-based video coding have demonstrated its potential to compete with both conventional and other learning-based approaches. With INR methods, a neural network is trained to overfit a…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Ho Man Kwan , Ge Gao , Fan Zhang , Andrew Gower , David Bull

Deep learning methods are increasingly being applied in the optimisation of video compression algorithms and can achieve significantly enhanced coding gains, compared to conventional approaches. Such approaches often employ Convolutional…

Image and Video Processing · Electrical Eng. & Systems 2021-09-07 Di Ma , Fan Zhang , David R. Bull

We introduce a cutting-edge video compression framework tailored for the age of ubiquitous video data, uniquely designed to serve machine learning applications. Unlike traditional compression methods that prioritize human visual perception,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-25 Huan Cui , Qing Li , Hanling Wang , Yong jiang

The video technology scenery has been very vivid over the past years, with novel video coding technologies introduced that promise improved compression performance over state-of-the-art technologies. Despite the fact that a lot of video…

Image and Video Processing · Electrical Eng. & Systems 2022-04-13 Angeliki V. Katsenou , Fan Zhang , Mariana Afonso , Goce Dimitrov , David R. Bull

The application of learning based methods to vehicle routing problems has emerged as a pivotal area of research in combinatorial optimization. These problems are characterized by vast solution spaces and intricate constraints, making…

Machine Learning · Computer Science 2025-03-14 Zhenwei Wang , Ruibin Bai , Tiehua Zhang

Most of the existing deep learning based end-to-end image/video coding (DLEC) architectures are designed for non-subsampled RGB color format. However, in order to achieve a superior coding performance, many state-of-the-art block-based…

Image and Video Processing · Electrical Eng. & Systems 2021-08-30 Hilmi E. Egilmez , Ankitesh K. Singh , Muhammed Coban , Marta Karczewicz , Yinhao Zhu , Yang Yang , Amir Said , Taco S. Cohen

Deep video compression has made significant progress in recent years, achieving rate-distortion performance that surpasses that of traditional video compression methods. However, rate control schemes tailored for deep video compression have…

Multimedia · Computer Science 2025-05-09 Bowen Gu , Hao Chen , Ming Lu , Jie Yao , Zhan Ma

In recent years, there has been rapid development in learned image compression techniques that prioritize ratedistortion-perceptual compression, preserving fine details even at lower bit-rates. However, current learning-based image…

Computer Vision and Pattern Recognition · Computer Science 2023-05-19 Peirong Ning , Wei Jiang , Ronggang Wang

Many information systems employ lossy compression as a crucial intermediate stage among other processing components. While the important distortion is defined by the system's input and output signals, the compression usually ignores the…

Information Theory · Computer Science 2018-05-14 Yehuda Dar , Michael Elad , Alfred M. Bruckstein

It is well known that high dynamic range (HDR) video can provide more immersive visual experiences compared to conventional standard dynamic range content. However, HDR content is typically more challenging to encode due to the increased…

Image and Video Processing · Electrical Eng. & Systems 2025-08-11 Chen Feng , Zihao Qi , Duolikun Danier , Fan Zhang , Xiaozhong Xu , Shan Liu , David Bull