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For decades, video compression technology has been a prominent research area. Traditional hybrid video compression framework and end-to-end frameworks continue to explore various intra- and inter-frame reference and prediction strategies…

Image and Video Processing · Electrical Eng. & Systems 2024-10-04 Gai Zhang , Xinfeng Zhang , Lv Tang , Yue Li , Kai Zhang , Li Zhang

Video coding is a video compression technique that compresses the original video sequence to produce a smaller archive file or reduce the transmission bandwidth under constraints on the visual quality loss. Rate control (RC) plays a…

Multimedia · Computer Science 2023-06-21 Xuekai Wei , Mingliang Zhou , Heqiang Wang , Haoyan Yang , Lei Chen , Sam Kwong

In this paper we propose an extension of the Attention Branch Network (ABN) by using instance segmentation for generating sharper attention maps for action recognition. Methods for visual explanation such as Grad-CAM usually generate blurry…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Tomoya Nitta , Tsubasa Hirakawa , Hironobu Fujiyoshi , Toru Tamaki

Deep convolutional networks have attracted great attention in image restoration and enhancement. Generally, restoration quality has been improved by building more and more convolutional block. However, these methods mostly learn a specific…

Computer Vision and Pattern Recognition · Computer Science 2021-05-21 Yukai Shi , Jinghui Qin

In this paper, we study the actor-action semantic segmentation problem, which requires joint labeling of both actor and action categories in video frames. One major challenge for this task is that when an actor performs an action, different…

Computer Vision and Pattern Recognition · Computer Science 2018-07-24 Kang Dang , Chunluan Zhou , Zhigang Tu , Michael Hoy , Justin Dauwels , Junsong Yuan

Referring video object segmentation (RVOS) is a task that aims to segment the target object in all video frames based on a sentence describing the object. Although existing RVOS methods have achieved significant performance, they depend on…

Computer Vision and Pattern Recognition · Computer Science 2023-12-18 Wangbo Zhao , Kepan Nan , Songyang Zhang , Kai Chen , Dahua Lin , Yang You

We introduce a general framework for end-to-end optimization of the rate--distortion performance of nonlinear transform codes assuming scalar quantization. The framework can be used to optimize any differentiable pair of analysis and…

Information Theory · Computer Science 2020-07-28 Johannes Ballé , Valero Laparra , Eero P. Simoncelli

Portrait photo retouching is a photo retouching task that emphasizes human-region priority and group-level consistency. The lookup table-based method achieves promising retouching performance by learning image-adaptive weights to combine…

Image and Video Processing · Electrical Eng. & Systems 2021-12-08 Binglu Wang , Chengzhe Lu , Dawei Yan , Yongqiang Zhao

Self-training has greatly facilitated domain adaptive semantic segmentation, which iteratively generates pseudo labels on unlabeled target data and retrains the network. However, realistic segmentation datasets are highly imbalanced, pseudo…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Binhui Xie , Longhui Yuan , Shuang Li , Chi Harold Liu , Xinjing Cheng

Jointly integrating aspect ratio and context has been extensively studied and shown performance improvement in traditional object detection systems such as the DPMs. It, however, has been largely ignored in deep neural network based…

Computer Vision and Pattern Recognition · Computer Science 2017-03-23 Bo Li , Tianfu Wu , Shuai Shao , Lun Zhang , Rufeng Chu

Multiresolution topology optimization (MTO) methods involve decoupling of the design and analysis discretizations, such that a high-resolution design can be obtained at relatively low analysis costs. Recent studies have shown that the MTO…

Computational Engineering, Finance, and Science · Computer Science 2018-11-27 Deepak K. Gupta , Fred van Keulen , Matthijs Langelaar

Visuomotor policies trained on human expert demonstrations have recently shown strong performance across a wide range of robotic manipulation tasks. However, these policies remain highly sensitive to domain shifts stemming from background…

Robotics · Computer Science 2026-01-07 Reihaneh Mirjalili , Tobias Jülg , Florian Walter , Wolfram Burgard

Stereo video retargeting aims to resize an image to a desired aspect ratio. The quality of retargeted videos can be significantly impacted by the stereo videos spatial, temporal, and disparity coherence, all of which can be impacted by the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Hassan Imani , Md Baharul Islam , Lai-Kuan Wong

Recent advancements in neural rendering have excelled at novel view synthesis from multi-view RGB images. However, they often lack the capability to edit the shading or colour of the scene at a detailed point-level, while ensuring…

Computer Vision and Pattern Recognition · Computer Science 2024-07-02 Alireza Moazeni , Shichong Peng , Ke Li

Given an object mask, Semi-supervised Video Object Segmentation (SVOS) technique aims to track and segment the object across video frames, serving as a fundamental task in computer vision. Although recent memory-based methods demonstrate…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Guanyi Qin , Ziyue Wang , Daiyun Shen , Haofeng Liu , Hantao Zhou , Junde Wu , Runze Hu , Yueming Jin

Automated lesion segmentation of medical images has made tremendous improvements in recent years due to deep learning advancements. However, accurately capturing fine-grained global and regional feature representations remains a challenge.…

Image and Video Processing · Electrical Eng. & Systems 2025-11-26 Chuhan Wang , Zhenghao Chen , Jean Y. H. Yang , Jinman Kim

Video holds significance in computer graphics applications. Because of the heterogeneous of digital devices, retargeting videos becomes an essential function to enhance user viewing experience in such applications. In the research of video…

Computer Vision and Pattern Recognition · Computer Science 2023-11-10 Thi-Ngoc-Hanh Le , HuiGuang Huang , Yi-Ru Chen , Tong-Yee Lee

Regular omnidirectional video encoding technics use map projection to flatten a scene from a spherical shape into one or several 2D shapes. Common projection methods including equirectangular and cubic projection have varying levels of…

Computer Vision and Pattern Recognition · Computer Science 2021-03-11 Jisheng Li , Ziyu Wen , Sihan Li , Yikai Zhao , Bichuan Guo , Jiangtao Wen

Region of Interest (ROI)-based image compression has rapidly developed due to its ability to maintain high fidelity in important regions while reducing data redundancy. However, existing compression methods primarily apply masks to suppress…

Image and Video Processing · Electrical Eng. & Systems 2025-11-13 Kai Hu , Han Wang , Renhe Liu , Zhilin Li , Shenghui Song , Yu Liu

Deep learning has enabled various Internet of Things (IoT) applications. Still, designing models with high accuracy and computational efficiency remains a significant challenge, especially in real-time video processing applications. Such…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Hadjer Benmeziane , Halima Bouzidi , Hamza Ouarnoughi , Ozcan Ozturk , Smail Niar