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In this paper we propose a generative adversarial network (GAN) framework to enhance the perceptual quality of compressed videos. Our framework includes attention and adaptation to different quantization parameters (QPs) in a single model.…

Computer Vision and Pattern Recognition · Computer Science 2022-06-17 Saiping Zhang , Luis Herranz , Marta Mrak , Marc Gorriz Blanch , Shuai Wan , Fuzheng Yang

This work extends the Multiscale Sparse Representation (MSR) framework developed for static Point Cloud Geometry Compression (PCGC) to support the dynamic PCGC through the use of multiscale inter conditional coding. To this end, the…

Computer Vision and Pattern Recognition · Computer Science 2023-01-31 Jianqiang Wang , Dandan Ding , Hao Chen , Zhan Ma

Visual-based perception is the key module for autonomous driving. Among those visual perception tasks, video object detection is a primary yet challenging one because of feature degradation caused by fast motion or multiple poses. Current…

Computer Vision and Pattern Recognition · Computer Science 2024-05-30 Yiming Cui , Cheng Han , Dongfang Liu

With the rapid development of multimedia processing and deep learning technologies, especially in the field of video understanding, video quality assessment (VQA) has achieved significant progress. Although researchers have moved from…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Jiebin Yan , Lei Wu , Yuming Fang , Xuelin Liu , Xue Xia , Weide Liu

Lip-reading is to utilize the visual information of the speaker's lip movements to recognize words and sentences. Existing event-based lip-reading solutions integrate different frame rate branches to learn spatio-temporal features of…

Computer Vision and Pattern Recognition · Computer Science 2025-04-14 Wenhao Zhang , Jun Wang , Yong Luo , Lei Yu , Wei Yu , Zheng He , Jialie Shen

Online processing of compressed videos to increase their resolutions attracts increasing and broad attention. Video Super-Resolution (VSR) using recurrent neural network architecture is a promising solution due to its efficient modeling of…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Hengsheng Zhang , Xueyi Zou , Jiaming Guo , Youliang Yan , Rong Xie , Li Song

The past few years have witnessed great success in applying deep learning to enhance the quality of compressed image/video. The existing approaches mainly focus on enhancing the quality of a single frame, not considering the similarity…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Qunliang Xing , Zhenyu Guan , Mai Xu , Ren Yang , Tie Liu , Zulin Wang

Video tokenizers are essential for latent video diffusion models, converting raw video data into spatiotemporally compressed latent spaces for efficient training. However, extending state-of-the-art video tokenizers to achieve a temporal…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Aniruddha Mahapatra , Long Mai , David Bourgin , Yitian Zhang , Feng Liu

The past few years have witnessed great success in applying deep learning to enhance the quality of compressed image/video. The existing approaches mainly focus on enhancing the quality of a single frame, ignoring the similarity between…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Ren Yang , Mai Xu , Zulin Wang , Tianyi Li

Video-based person re-identification (ReID) is challenging due to the presence of various interferences in video frames. Recent approaches handle this problem using temporal aggregation strategies. In this work, we propose a novel Context…

Computer Vision and Pattern Recognition · Computer Science 2022-07-07 Kan Wang , Changxing Ding , Jianxin Pang , Xiangmin Xu

Inspired by the dual-stream theory of the human visual system (HVS) - where the ventral stream is responsible for object recognition and detail analysis, while the dorsal stream focuses on spatial relationships and motion perception - an…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Li Yu , Situo Wang , Wei Zhou , Moncef Gabbouj

Cloud gaming is an advanced form of Internet service that necessitates local terminals to decode within limited resources and time latency. Super-Resolution (SR) techniques are often employed on these terminals as an efficient way to reduce…

Image and Video Processing · Electrical Eng. & Systems 2025-01-06 Qizhe Wang , Qian Yin , Zhimeng Huang , Weijia Jiang , Yi Su , Siwei Ma , Jiaqi Zhang

Compressed video quality enhancement (CVQE) is crucial for improving user experience with lossy video codecs like H.264/AVC, H.265/HEVC, and H.266/VVC. While deep learning based CVQE has driven significant progress, existing surveys still…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Xiem HoangVan , Dang BuiDinh , Sang NguyenQuang , Wen-Hsiao Peng

Quality assessment for User Generated Content (UGC) videos plays an important role in ensuring the viewing experience of end-users. Previous UGC video quality assessment (VQA) studies either use the image recognition model or the image…

Computer Vision and Pattern Recognition · Computer Science 2022-10-21 Wei Sun , Xiongkuo Min , Wei Lu , Guangtao Zhai

Spatio-temporal compression of videos, utilizing networks such as Variational Autoencoders (VAE), plays a crucial role in OpenAI's SORA and numerous other video generative models. For instance, many LLM-like video models learn the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-24 Sijie Zhao , Yong Zhang , Xiaodong Cun , Shaoshu Yang , Muyao Niu , Xiaoyu Li , Wenbo Hu , Ying Shan

Generic event boundary detection aims to localize the generic, taxonomy-free event boundaries that segment videos into chunks. Existing methods typically require video frames to be decoded before feeding into the network, which contains…

Computer Vision and Pattern Recognition · Computer Science 2023-09-28 Libo Zhang , Xin Gu , Congcong Li , Tiejian Luo , Heng Fan

The usage of deep generative models for image compression has led to impressive performance gains over classical codecs while neural video compression is still in its infancy. Here, we propose an end-to-end, deep generative modeling…

Computer Vision and Pattern Recognition · Computer Science 2019-11-05 Jun Han , Salvator Lombardo , Christopher Schroers , Stephan Mandt

The current research focus on Content-Based Video Retrieval requires higher-level video representation describing the long-range semantic dependencies of relevant incidents, events, etc. However, existing methods commonly process the frames…

Computer Vision and Pattern Recognition · Computer Science 2020-10-01 Jie Shao , Xin Wen , Bingchen Zhao , Xiangyang Xue

Networked video applications, e.g., video conferencing, often suffer from poor visual quality due to unexpected network fluctuation and limited bandwidth. In this paper, we have developed a Quality Enhancement Network (QENet) to reduce the…

Image and Video Processing · Electrical Eng. & Systems 2019-05-06 Ming Lu , Ming Cheng , Yiling Xu , Shiliang Pu , Qiu Shen , Zhan Ma

In practical applications, low-light images are often compressed for efficient storage and transmission. Most existing methods disregard compression artifacts removal or hardly establish a unified framework for joint task enhancement of…

Image and Video Processing · Electrical Eng. & Systems 2026-05-12 Hantang Li , Qiang Zhu , Xiandong Meng , Lei Xiong , Shuyuan Zhu , Xiaopeng Fan