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In the latest years, videoconferencing has taken a fundamental role in interpersonal relations, both for personal and business purposes. Lossy video compression algorithms are the enabling technology for videoconferencing, as they reduce…

Computer Vision and Pattern Recognition · Computer Science 2023-11-09 Lorenzo Agnolucci , Leonardo Galteri , Marco Bertini , Alberto Del Bimbo

Recent text-to-video models have demonstrated strong temporal generation capabilities, yet their potential for image restoration remains underexplored. In this work, we repurpose CogVideo for progressive visual restoration tasks by…

Computer Vision and Pattern Recognition · Computer Science 2025-12-03 Peng Kang , Xijun Wang , Yu Yuan

A deep image compression scheme is proposed in this paper, offering the state-of-the-art compression efficiency, against the traditional JPEG, JPEG2000, BPG and those popular learning based methodologies. This is achieved by a novel…

Image and Video Processing · Electrical Eng. & Systems 2019-02-28 Haojie Liu , Tong Chen , Peiyao Guo , Qiu Shen , Zhan Ma

In this paper, we propose a deformable convolution-based generative adversarial network (DCNGAN) for perceptual quality enhancement of compressed videos. DCNGAN is also adaptive to the quantization parameters (QPs). Compared with optical…

Image and Video Processing · Electrical Eng. & Systems 2022-01-31 Saiping Zhang , Luis Herranz , Marta Mrak , Marc Gorriz Blanch , Shuai Wan , Fuzheng Yang

Video Quality Assessment (VQA) is a very challenging task due to its highly subjective nature. Moreover, many factors influence VQA. Compression of video content, while necessary for minimising transmission and storage requirements,…

Video object detection is a fundamental problem in computer vision and has a wide spectrum of applications. Based on deep networks, video object detection is actively studied for pushing the limits of detection speed and accuracy. To reduce…

Computer Vision and Pattern Recognition · Computer Science 2021-03-29 Xinggang Wang , Zhaojin Huang , Bencheng Liao , Lichao Huang , Yongchao Gong , Chang Huang

In this paper, we study the problem of temporal video grounding (TVG), which aims to predict the starting/ending time points of moments described by a text sentence within a long untrimmed video. Benefiting from fine-grained 3D visual…

Computer Vision and Pattern Recognition · Computer Science 2023-10-05 Yimeng Zhang , Xin Chen , Jinghan Jia , Sijia Liu , Ke Ding

There has been a growing trend in compressing and transmitting videos from terminals for machine vision tasks. Nevertheless, most video coding optimization method focus on minimizing distortion according to human perceptual metrics,…

Multimedia · Computer Science 2025-12-18 Fei Zhao , Mengxi Guo , Shijie Zhao , Junlin Li , Li Zhang , Xiaodong Xie

Learning a robust video Variational Autoencoder (VAE) is essential for reducing video redundancy and facilitating efficient video generation. Directly applying image VAEs to individual frames in isolation can result in temporal…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Yazhou Xing , Yang Fei , Yingqing He , Jingye Chen , Jiaxin Xie , Xiaowei Chi , Qifeng Chen

Self-attention based Transformer has achieved great success in many computer vision tasks. However, its application to video quality assessment (VQA) has not been satisfactory so far. Evaluating the quality of in-the-wild videos is…

Computer Vision and Pattern Recognition · Computer Science 2023-06-22 Fengchuang Xing , Yuan-Gen Wang , Weixuan Tang , Guopu Zhu , Sam Kwong

Given a natural language expression and an image/video, the goal of referring segmentation is to produce the pixel-level masks of the entities described by the subject of the expression. Previous approaches tackle this problem by implicit…

Computer Vision and Pattern Recognition · Computer Science 2021-05-18 Si Liu , Tianrui Hui , Shaofei Huang , Yunchao Wei , Bo Li , Guanbin Li

In medical image segmentation tasks, the domain gap caused by the difference in data collection between training and testing data seriously hinders the deployment of pre-trained models in clinical practice. Continual Test-Time Adaptation…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Xiaogang Du , Jiawei Zhang , Tongfei Liu , Tao Lei , Yingbo Wang

Compact Genetic Algorithms (cGAs) are condensed variants of classical Genetic Algorithms (GAs) that use a probability vector representation of the population instead of the complete population. cGAs have been shown to significantly reduce…

Neural and Evolutionary Computing · Computer Science 2025-04-07 Prasanta Dutta , Anirban Mukhopadhyay

Audio and visual signals typically occur simultaneously, and humans possess an innate ability to correlate and synchronize information from these two modalities. Recently, a challenging problem known as Audio-Visual Segmentation (AVS) has…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Yuxuan Wang , Jinchao Zhu , Feng Dong , Shuyue Zhu

Temporal Video Grounding (TVG) aims to localize the temporal boundary of a specific segment in an untrimmed video based on a given language query. Since datasets in this domain are often gathered from limited video scenes, models tend to…

Computer Vision and Pattern Recognition · Computer Science 2023-12-22 Haifeng Huang , Yang Zhao , Zehan Wang , Yan Xia , Zhou Zhao

Robotic systems operating at the edge require efficient online learning algorithms that can continuously adapt to changing environments while processing streaming sensory data. Traditional backpropagation, while effective, conflicts with…

Machine Learning · Computer Science 2025-10-31 Darius Masoum Zadeh-Jousdani , Elvin Hajizada , Eyke Hüllermeier

In recent years, video compression techniques have been significantly challenged by the rapidly increased demands associated with high quality and immersive video content. Among various compression tools, post-processing can be applied on…

Image and Video Processing · Electrical Eng. & Systems 2021-01-21 Fan Zhang , Di Ma , Chen Feng , David R. Bull

Video grounding aims to locate a moment of interest matching the given query sentence from an untrimmed video. Previous works ignore the {sparsity dilemma} in video annotations, which fails to provide the context information between…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Hongxiang Li , Meng Cao , Xuxin Cheng , Zhihong Zhu , Yaowei Li , Yuexian Zou

Exploring and mining subtle yet distinctive features between sub-categories with similar appearances is crucial for fine-grained visual categorization (FGVC). However, less effort has been devoted to assessing the quality of extracted…

Computer Vision and Pattern Recognition · Computer Science 2024-03-18 Qin Xu , Sitong Li , Jiahui Wang , Bo Jiang , Jinhui Tang

In recent years deep learning methods have shown great superiority in compressed video quality enhancement tasks. Existing methods generally take the raw video as the ground truth and extract practical information from consecutive frames…

Computer Vision and Pattern Recognition · Computer Science 2023-03-02 Xuan Sun , Ziyue Zhang , Guannan Chen , Dan Zhu