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In the learning based video compression approaches, it is an essential issue to compress pixel-level optical flow maps by developing new motion vector (MV) encoders. In this work, we propose a new framework called Resolution-adaptive Flow…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Zhihao Hu , Zhenghao Chen , Dong Xu , Guo Lu , Wanli Ouyang , Shuhang Gu

Deep generative models, and particularly facial animation schemes, can be used in video conferencing applications to efficiently compress a video through a sparse set of keypoints, without the need to transmit dense motion vectors. While…

Multimedia · Computer Science 2022-07-28 Goluck Konuko , Stéphane Lathuilière , Giuseppe Valenzise

In text-video retrieval, recent works have benefited from the powerful learning capabilities of pre-trained text-image foundation models (e.g., CLIP) by adapting them to the video domain. A critical problem for them is how to effectively…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Chaorui Deng , Qi Chen , Pengda Qin , Da Chen , Qi Wu

To achieve higher accuracy in machine learning tasks, very deep convolutional neural networks (CNNs) are designed recently. However, the large memory access of deep CNNs will lead to high power consumption. A variety of hardware-friendly…

Image and Video Processing · Electrical Eng. & Systems 2021-06-25 Yubo Shi , Meiqi Wang , Siyi Chen , Jinghe Wei , Zhongfeng Wang

This paper introduces the concept of adaptive temporal compressive sensing (CS) for video. We propose a CS algorithm to adapt the compression ratio based on the scene's temporal complexity, computed from the compressed data, without…

Applications · Statistics 2016-11-17 Xin Yuan , Jianbo Yang , Patrick Llull , Xuejun Liao , Guillermo Sapiro , David J. Brady , Lawrence Carin

The ever-growing multimedia traffic has underscored the importance of effective multimedia codecs. Among them, the up-to-date lossy video coding standard, Versatile Video Coding (VVC), has been attracting attentions of video coding…

Image and Video Processing · Electrical Eng. & Systems 2022-05-10 Tiesong Zhao , Yuhang Huang , Weize Feng , Yiwen Xu , Sam Kwong

Deep learning-based models have achieved remarkable performance in video super-resolution (VSR) in recent years, but most of these models are less applicable to online video applications. These methods solely consider the distortion quality…

Computer Vision and Pattern Recognition · Computer Science 2022-08-05 Jun Xiao , Xinyang Jiang , Ningxin Zheng , Huan Yang , Yifan Yang , Yuqing Yang , Dongsheng Li , Kin-Man Lam

Compactly representing the visual signals is of fundamental importance in various image/video-centered applications. Although numerous approaches were developed for improving the image and video coding performance by removing the…

Image and Video Processing · Electrical Eng. & Systems 2020-08-14 Rongqun Lin , Linwei Zhu , Shiqi Wang , Sam Kwong

Video-quality measurement is a critical task in video processing. Nowadays, many implementations of new encoding standards - such as AV1, VVC, and LCEVC - use deep-learning-based decoding algorithms with perceptual metrics that serve as…

Computer Vision and Pattern Recognition · Computer Science 2023-02-08 Anastasia Antsiferova , Sergey Lavrushkin , Maksim Smirnov , Alexander Gushchin , Dmitriy Vatolin , Dmitriy Kulikov

Modern video codecs have been extensively optimized to preserve perceptual quality, leveraging models of the human visual system. However, in split inference systems-where intermediate features from neural network are transmitted instead of…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Md Eimran Hossain Eimon , Ashan Perera , Juan Merlos , Velibor Adzic , Hari Kalva

The past decade has witnessed great success of deep learning technology in many disciplines, especially in computer vision and image processing. However, deep learning-based video coding remains in its infancy. This paper reviews the…

Multimedia · Computer Science 2020-03-13 Dong Liu , Yue Li , Jianping Lin , Houqiang Li , Feng Wu

As an increasing amount of image and video content will be analyzed by machines, there is demand for a new codec paradigm that is capable of compressing visual input primarily for the purpose of computer vision inference, while secondarily…

Image and Video Processing · Electrical Eng. & Systems 2023-01-12 Ezgi Ozyilkan , Mateen Ulhaq , Hyomin Choi , Fabien Racape

The discrete cosine transform (DCT) is a relevant tool in signal processing applications, mainly known for its good decorrelation properties. Current image and video coding standards -- such as JPEG and HEVC -- adopt the DCT as a…

Image and Video Processing · Electrical Eng. & Systems 2022-12-09 T. L. T. da Silveira , D. R. Canterle , D. F. G. Coelho , V. A. Coutinho , F. M. Bayer , R. J. Cintra

Inspired by recent work on compression with and for young humans, the success of transform-based approaches to information processing, and the rise of powerful language-based AI, we propose \emph{textual transform coding}. It shares some of…

Information Theory · Computer Science 2023-05-04 Tsachy Weissman

Ensuring high-quality video content for wireless users has become increasingly vital. Nevertheless, maintaining a consistent level of video quality faces challenges due to the fluctuating encoded bitrate, primarily caused by dynamic video…

Image and Video Processing · Electrical Eng. & Systems 2023-11-23 Matin Mortaheb , Mohammad A. Amir Khojastepour , Srimat T. Chakradhar , Sennur Ulukus

Learned image compression has achieved great success due to its excellent modeling capacity, but seldom further considers the Rate-Distortion Optimization (RDO) of each input image. To explore this potential in the learned codec, we make…

Image and Video Processing · Electrical Eng. & Systems 2022-03-31 Dezhao Wang , Wenhan Yang , Yueyu Hu , Jiaying Liu

Lossy compression introduces complex compression artifacts, particularly blocking artifacts, ringing effects and blurring. Existing algorithms either focus on removing blocking artifacts and produce blurred output, or restore sharpened…

Computer Vision and Pattern Recognition · Computer Science 2016-08-10 Ke Yu , Chao Dong , Chen Change Loy , Xiaoou Tang

Learned image compression allows achieving state-of-the-art accuracy and compression ratios, but their relatively slow runtime performance limits their usage. While previous attempts on optimizing learned image codecs focused more on the…

Image and Video Processing · Electrical Eng. & Systems 2022-08-04 Fangzheng Lin , Heming Sun , Jiro Katto

Given the popularity of 360{\deg} images on social media platforms, 360{\deg} image compression becomes a critical technology for media storage and transmission. Conventional 360{\deg} image compression pipeline projects the spherical image…

Image and Video Processing · Electrical Eng. & Systems 2026-03-25 Jingwei Liao , Bo Chen , Klara Nahrstedt , Zhisheng Yan

In this paper, a hybrid video compression framework is proposed that serves as a demonstrative showcase of deep learning-based approaches extending beyond the confines of traditional coding methodologies. The proposed hybrid framework is…

Computer Vision and Pattern Recognition · Computer Science 2024-02-22 Yanchen Zhao , Wenxuan He , Chuanmin Jia , Qizhe Wang , Junru Li , Yue Li , Chaoyi Lin , Kai Zhang , Li Zhang , Siwei Ma