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We present Region Similarity Representation Learning (ReSim), a new approach to self-supervised representation learning for localization-based tasks such as object detection and segmentation. While existing work has largely focused on…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Tete Xiao , Colorado J Reed , Xiaolong Wang , Kurt Keutzer , Trevor Darrell

Shadow-affected images often exhibit pronounced spatial discrepancies in color and illumination, consequently degrading various vision applications including object detection and segmentation systems. To effectively eliminate shadows in…

Computer Vision and Pattern Recognition · Computer Science 2024-07-04 Wei Dong , Han Zhou , Yuqiong Tian , Jingke Sun , Xiaohong Liu , Guangtao Zhai , Jun Chen

Distributed radar sensors enable robust human activity recognition. However, scaling the number of coordinated nodes introduces challenges in feature extraction from large datasets, and transparent data fusion. We propose an end-to-end…

Signal Processing · Electrical Eng. & Systems 2026-01-07 Mina Shahbazifar , Zolfa Zeinalpour-Yazdi , Matthias Hollick , Arash Asadi , Vahid Jamali

Inevitable specular highlights in practical environments severely impair the visual performance, thus degrading the task effectiveness and efficiency. Although there exist considerable methods that focus on local information from…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Tianci Huo , Lingfeng Qi , Yuhan Chen , Qihong Xue , Jinyuan Shao , Hai Yu , Jie Li , Zhanhua Zhang , Guofa Li

Image manipulation under the guidance of textual descriptions has recently received a broad range of attention. In this study, we focus on the regional editing of images with the guidance of given text prompts. Different from current…

Computer Vision and Pattern Recognition · Computer Science 2023-02-24 Nisha Huang , Fan Tang , Weiming Dong , Tong-Yee Lee , Changsheng Xu

Road region recognition is a main feature that is gaining increasing attention from intellectuals because it helps autonomous vehicle to achieve a successful navigation without accident. However, different techniques based on camera sensor…

Robotics · Computer Science 2014-01-10 Olusanya Y. Agunbiade , Tranos Zuva , Awosejo O. Johnson , Keneilwe Zuva

Defocus blur always occurred in photos when people take photos by Digital Single Lens Reflex Camera(DSLR), giving salient region and aesthetic pleasure. Defocus blur Detection aims to separate the out-of-focus and depth-of-field areas in…

Computer Vision and Pattern Recognition · Computer Science 2020-11-20 Ming Qian , Min Xia , Chunyi Sun , Zhiwei Wang , Liguo Weng

Although face recognition has made impressive progress in recent years, we ignore the racial bias of the recognition system when we pursue a high level of accuracy. Previous work found that for different races, face recognition networks…

Computer Vision and Pattern Recognition · Computer Science 2023-04-06 Linzhi Huang , Mei Wang , Jiahao Liang , Weihong Deng , Hongzhi Shi , Dongchao Wen , Yingjie Zhang , Jian Zhao

The rich textual information of large vision-language models (VLMs) combined with the powerful generative prior of pre-trained text-to-image (T2I) diffusion models has achieved impressive performance in single-image super-resolution (SISR).…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Haodong He , Yancheng Bai , Rui Lan , Xu Duan , Lei Sun , Xiangxiang Chu , Gui-Song Xia

Segment Anything (SAM), an advanced universal image segmentation model trained on an expansive visual dataset, has set a new benchmark in image segmentation and computer vision. However, it faced challenges when it came to distinguishing…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Xiao Feng Zhang , Tian Yi Song , Jia Wei Yao

Shadows are often under-considered or even ignored in image editing applications, limiting the realism of the edited results. In this paper, we introduce MetaShadow, a three-in-one versatile framework that enables detection, removal, and…

Computer Vision and Pattern Recognition · Computer Science 2024-12-04 Tianyu Wang , Jianming Zhang , Haitian Zheng , Zhihong Ding , Scott Cohen , Zhe Lin , Wei Xiong , Chi-Wing Fu , Luis Figueroa , Soo Ye Kim

Conventional rendering techniques are primarily designed and optimized for single-frame rendering. In practical applications, such as scene editing and animation rendering, users frequently encounter scenes where only a small portion is…

Graphics · Computer Science 2024-06-25 Bing Xu , Tzu-Mao Li , Iliyan Georgiev , Trevor Hedstrom , Ravi Ramamoorthi

In fine-grained image recognition (FGIR), the localization and amplification of region attention is an important factor, which has been explored a lot by convolutional neural networks (CNNs) based approaches. The recently developed vision…

Computer Vision and Pattern Recognition · Computer Science 2021-07-20 Yunqing Hu , Xuan Jin , Yin Zhang , Haiwen Hong , Jingfeng Zhang , Yuan He , Hui Xue

Occlusion and pose variations, which can change facial appearance significantly, are two major obstacles for automatic Facial Expression Recognition (FER). Though automatic FER has made substantial progresses in the past few decades,…

Computer Vision and Pattern Recognition · Computer Science 2019-09-06 Kai Wang , Xiaojiang Peng , Jianfei Yang , Debin Meng , Yu Qiao

Document shadows are a major obstacle in the digitization process. Due to the dense information in text and patterns covered by shadows, document shadow removal requires specialized methods. Existing document shadow removal methods,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Yifan Liu , Jiancheng Huang , Na Liu , Mingfu Yan , Yi Huang , Shifeng Chen

Portrait retouching aims to improve the aesthetic quality of input portrait photos and especially requires human-region priority. The deep learning-based methods largely elevate the retouching efficiency and provide promising retouched…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Huimin Zeng , Jie Huang , Jiacheng Li , Zhiwei Xiong

Context can strongly affect object representations, sometimes leading to undesired biases, particularly when objects appear in out-of-distribution backgrounds at inference. At the same time, many object-centric tasks require to leverage the…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Ananthu Aniraj , Cassio F. Dantas , Dino Ienco , Diego Marcos

Existing vision systems for autonomous driving or robots are sensitive to waterdrops adhered to windows or camera lenses. Most recent waterdrop removal approaches take a single image as input and often fail to recover the missing content…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Zifan Shi , Na Fan , Dit-Yan Yeung , Qifeng Chen

Shadow removal aims to restore images that are partially degraded by shadows, where the degradation is spatially localized and non-uniform. Unlike general restoration tasks that assume global degradation, shadow removal can leverage…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Linhao Li , Boya Jin , Zizhe Li , Lanqing Guo , Hao Cheng , Bo Li , Yongfeng Dong

Shadows encode rich information about scene geometry and illumination, yet existing methods either predict a unified shadow mask or overlook attached shadows entirely. We address this gap by proposing a framework for jointly detecting cast…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Shilin Hu , Jingyi Xu , Sagnik Das , Dimitris Samaras , Hieu Le
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