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Building on recent advances in video generation, generative video compression has emerged as a new paradigm for achieving visually pleasing reconstructions. However, existing methods exhibit limited exploitation of temporal correlations,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Xiaoyue Ling , Chuqin Zhou , Chunyi Li , Yunuo Chen , Yuan Tian , Guo Lu , Wenjun Zhang

Over the past two decades, traditional block-based video coding has made remarkable progress and spawned a series of well-known standards such as MPEG-4, H.264/AVC and H.265/HEVC. On the other hand, deep neural networks (DNNs) have shown…

Image and Video Processing · Electrical Eng. & Systems 2020-07-10 Haojie Liu , Ming Lu , Zhan Ma , Fan Wang , Zhihuang Xie , Xun Cao , Yao Wang

Recent progress has shown that video diffusion models (VDMs) can be repurposed for diverse multimodal graphics tasks. However, existing methods often train separate models for each problem setting, which fixes the input-output mapping and…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Houyuan Chen , Hong Li , Xianghao Kong , Tianrui Zhu , Shaocong Xu , Weiqing Xiao , Yuwei Guo , Chongjie Ye , Lvmin Zhang , Hao Zhao , Anyi Rao

We propose in this paper a new paradigm for facial video compression. We leverage the generative capacity of GANs such as StyleGAN to represent and compress a video, including intra and inter compression. Each frame is inverted in the…

Image and Video Processing · Electrical Eng. & Systems 2022-07-14 Mustafa Shukor , Bharath Bhushan Damodaran , Xu Yao , Pierre Hellier

In intra coding, Rate Distortion Optimization (RDO) is performed to achieve the optimal intra mode from a pre-defined candidate list. The optimal intra mode is also required to be encoded and transmitted to the decoder side besides the…

Image and Video Processing · Electrical Eng. & Systems 2022-04-11 Linwei Zhu , Yun Zhang , Na Li , Gangyi Jiang , Sam Kwong

Neural Radiance Field (NeRF)-based volumetric video has revolutionized visual media by delivering photorealistic Free-Viewpoint Video (FVV) experiences that provide audiences with unprecedented immersion and interactivity. However, the…

Image and Video Processing · Electrical Eng. & Systems 2024-12-17 Qiang Hu , Houqiang Zhong , Zihan Zheng , Xiaoyun Zhang , Zhengxue Cheng , Li Song , Guangtao Zhai , Yanfeng Wang

Recent advances in Multi-modal Large Language Models (MLLMs) have shown significant progress in open-world Visual Question Answering (VQA). However, integrating visual information increases the number of processed tokens, leading to higher…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Shuai Li , Jian Xu , Xiao-Hui Li , Chao Deng , Lin-Lin Huang

In recent years, end-to-end learnt video codecs have demonstrated their potential to compete with conventional coding algorithms in term of compression efficiency. However, most learning-based video compression models are associated with…

Image and Video Processing · Electrical Eng. & Systems 2024-07-02 Tianhao Peng , Ge Gao , Heming Sun , Fan Zhang , David Bull

Currently, vision encoder models like Vision Transformers (ViTs) typically excel at image recognition tasks but cannot simultaneously support text recognition like human visual recognition. To address this limitation, we propose UNIT, a…

Computer Vision and Pattern Recognition · Computer Science 2024-09-09 Yi Zhu , Yanpeng Zhou , Chunwei Wang , Yang Cao , Jianhua Han , Lu Hou , Hang Xu

This work presents VTok, a unified video tokenization framework that can be used for both generation and understanding tasks. Unlike the leading vision-language systems that tokenize videos through a naive frame-sampling strategy, we…

Computer Vision and Pattern Recognition · Computer Science 2026-02-05 Feng Wang , Yichun Shi , Ceyuan Yang , Qiushan Guo , Jingxiang Sun , Alan Yuille , Peng Wang

Multi-reference image generation aims to synthesize images from textual instructions while faithfully preserving subject identities from multiple reference images. Existing VLM-enhanced diffusion models commonly rely on decoupled visual…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Yiyan Xu , Qiulin Wang , Wenjie Wang , Yunyao Mao , Xintao Wang , Pengfei Wan , Kun Gai , Fuli Feng

Multimodal Large Language Models (MLLMs) deliver strong vision-language performance but at high computational cost, driven by numerous visual tokens processed by the Vision Transformer (ViT) encoder. Existing token pruning strategies are…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Yuan Chen , Zichen Wen , Yuzhou Wu , Xuyang Liu , Shuang Chen , Junpeng Ma , Weijia Li , Conghui He , Linfeng Zhang

The recent advent of Large Language Models (LLMs) has ushered sophisticated reasoning capabilities into the realm of video through Video Large Language Models (VideoLLMs). However, VideoLLMs currently rely on a single vision encoder for all…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Jihoon Chung , Tyler Zhu , Max Gonzalez Saez-Diez , Juan Carlos Niebles , Honglu Zhou , Olga Russakovsky

By 2022, we expect video traffic to reach 82% of the total internet traffic. Undoubtedly, the abundance of video-driven applications will likely lead internet video traffic percentage to a further increase in the near future, enabled by…

Multimedia · Computer Science 2021-05-19 Gangadharan Esakki , Andreas Panayides , Venkatesh Jatla , Marios Pattichis

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

The application of the context-adaptive entropy model significantly improves the rate-distortion (R-D) performance, in which hyperpriors and autoregressive models are jointly utilized to effectively capture the spatial redundancy of the…

Image and Video Processing · Electrical Eng. & Systems 2022-09-09 Haisheng Fu , Feng Liang

Change detection (CD) identifies scene changes from multi-temporal observations and is widely used in urban development and environmental monitoring. Most existing CD methods rely on supervised learning, making performance strongly…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Ziqiang Zhu , Bowei Yang

Currently, inspired by the success of vision-language models (VLMs), an increasing number of researchers are focusing on improving VLMs and have achieved promising results. However, most existing methods concentrate on optimizing the…

Computer Vision and Pattern Recognition · Computer Science 2024-09-23 Dawei Yan , Pengcheng Li , Yang Li , Hao Chen , Qingguo Chen , Weihua Luo , Wei Dong , Qingsen Yan , Haokui Zhang , Chunhua Shen

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 enhanced Deep Hierarchical Video Compression-DHVC 2.0-has been introduced. This single-model neural video codec operates across a broad range of bitrates, delivering not only superior compression performance to representative methods…

Image and Video Processing · Electrical Eng. & Systems 2024-10-04 Ming Lu , Zhihao Duan , Wuyang Cong , Dandan Ding , Fengqing Zhu , Zhan Ma