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Semantic segmentation is an essential part of deep learning. In recent years, with the development of remote sensing big data, semantic segmentation has been increasingly used in remote sensing. Deep convolutional neural networks (DCNNs)…

Computer Vision and Pattern Recognition · Computer Science 2021-05-31 Xuan Yang , Shanshan Li , Zhengchao Chen , Jocelyn Chanussot , Xiuping Jia , Bing Zhang , Baipeng Li , Pan Chen

Underwater images suffer from severe degradations, including color distortions, reduced visibility, and loss of structural details due to wavelength-dependent attenuation and scattering. Existing enhancement methods primarily focus on…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Jaskaran Singh Walia , Shravan Venkatraman , Pavithra LK

Person re-identification (Re-ID) aims to match images of the same individual across non-overlapping camera views and remains challenging due to domain shifts caused by variations in illumination, background, camera characteristics, and…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Sundas Iqbal , Qing Tian , Danish Ali , Jianping Gou , Weihua Oue

The core of video-based visible-infrared person re-identification (VVI-ReID) lies in learning sequence-level modal-invariant representations across different modalities. Recent research tends to use modality-shared language prompts…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Xiaomei Yang , Xizhan Gao , Antai Liu , Kang Wei , Fa Zhu , Guang Feng , Xiaofeng Qu , Sijie Niu

This research addresses the challenge of developing a universal deepfake detector that can effectively identify unseen deepfake images despite limited training data. Existing frequency-based paradigms have relied on frequency-level…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Chuangchuang Tan , Yao Zhao , Shikui Wei , Guanghua Gu , Ping Liu , Yunchao Wei

Reconstruction-based anomaly detection models achieve their purpose by suppressing the generalization ability for anomaly. However, diverse normal patterns are consequently not well reconstructed as well. Although some efforts have been…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 Wenrui Liu , Hong Chang , Bingpeng Ma , Shiguang Shan , Xilin Chen

RGB-Infrared (RGB-IR) person re-identification (ReID) is a technology where the system can automatically identify the same person appearing at different parts of a video when light is unavailable. The critical challenge of this task is the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-16 Ziyue Zhang , Shuai Jiang , Congzhentao Huang , Yang Li , Richard Yi Da Xu

Shadow removal is challenging due to the complex interaction of geometry, lighting, and environmental factors. Existing unsupervised methods often overlook shadow-specific priors, leading to incomplete shadow recovery. To address this…

Computer Vision and Pattern Recognition · Computer Science 2025-04-09 Tao Lin , Qingwang Wang , Qiwei Liang , Minghua Tang , Yuxuan Sun

Ultrasound image segmentation is pivotal for clinical diagnosis, yet challenged by speckle noise and imaging artifacts. Recently, DINOv3 has shown remarkable promise in medical image segmentation with its powerful representation…

Computer Vision and Pattern Recognition · Computer Science 2025-12-15 Yixuan Zhang , Qing Xu , Yue Li , Xiangjian He , Qian Zhang , Mainul Haque , Rong Qu , Wenting Duan , Zhen Chen

Person re-identification (Re-ID) across visible and infrared modalities is crucial for 24-hour surveillance systems, but existing datasets primarily focus on ground-level perspectives. While ground-based IR systems offer nighttime…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Huy Nguyen , Kien Nguyen , Akila Pemasiri , Akmal Jahan , Clinton Fookes , Sridha Sridharan

Unsupervised domain adaptation (UDA) is vital for alleviating the workload of labeling 3D point cloud data and mitigating the absence of labels when facing a newly defined domain. Various methods of utilizing images to enhance the…

Computer Vision and Pattern Recognition · Computer Science 2024-03-18 Jingyi Xu , Weidong Yang , Lingdong Kong , Youquan Liu , Rui Zhang , Qingyuan Zhou , Ben Fei

Video-based person re-identification (Re-ID) aims at matching the video tracklets with cropped video frames for identifying the pedestrians under different cameras. However, there exists severe spatial and temporal misalignment for those…

Computer Vision and Pattern Recognition · Computer Science 2021-09-23 Chih-Ting Liu , Jun-Cheng Chen , Chu-Song Chen , Shao-Yi Chien

RGB-Infrared (IR) person re-identification aims to retrieve person-of-interest from heterogeneous cameras, easily suffering from large image modality discrepancy caused by different sensing wavelength ranges. Existing work usually minimizes…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Lin Wan , Zongyuan Sun , Qianyan Jing , Yehansen Chen , Lijing Lu , Zhihang Li

We show the strength of the Fourier modal method (FMM) for numerically investigating the optical properties of vertical cavities including subwavelength gratings. Three different techniques for determining the resonance frequency and…

Optics · Physics 2017-10-05 Alireza Taghizadeh , Jesper Mørk , Il-Sug Chung

The accuracy of finger vein recognition systems gets degraded due to low and uneven contrast between veins and surroundings, often resulting in poor detection of vein patterns. We propose a finger-vein enhancement technique, ResFPN…

Image and Video Processing · Electrical Eng. & Systems 2023-07-03 Ketan Kotwal , Sebastien Marcel

Owing to the capacity of performing full-time target search, cross-modality vehicle re-identification (Re-ID) based on unmanned aerial vehicle (UAV) is gaining more attention in both video surveillance and public security. However, this…

Computer Vision and Pattern Recognition · Computer Science 2023-10-13 Xingyue Liu , Jiahao Qi , Chen Chen , Kangcheng Bin , Ping Zhong

Person re-identification (ReID) plays a critical role in intelligent surveillance systems by linking identities across multiple cameras in complex environments. However, ReID faces significant challenges such as appearance variations,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Dang H. Pham , Tu N. Nguyen , Hoa N. Nguyen

The infrared and visible images fusion (IVIF) is receiving increasing attention from both the research community and industry due to its excellent results in downstream applications. Existing deep learning approaches often utilize…

Computer Vision and Pattern Recognition · Computer Science 2025-06-13 Tianpei Zhang , Jufeng Zhao , Yiming Zhu , Guangmang Cui , Yuhan Lyu

Most existing infrared-visible image fusion (IVIF) methods assume high-quality inputs, and therefore struggle to handle dual-source degraded scenarios, typically requiring manual selection and sequential application of multiple…

Computer Vision and Pattern Recognition · Computer Science 2025-09-08 Tianpei Zhang , Jufeng Zhao , Yiming Zhu , Guangmang Cui

Despite the significant progress in image denoising, it is still challenging to restore fine-scale details while removing noise, especially in extremely low-light environments. Leveraging near-infrared (NIR) images to assist visible RGB…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Rongjian Xu , Zhilu Zhang , Renlong Wu , Wangmeng Zuo