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Person re-identification (PReID) has received increasing attention due to it is an important part in intelligent surveillance. Recently, many state-of-the-art methods on PReID are part-based deep models. Most of them focus on learning the…

Computer Vision and Pattern Recognition · Computer Science 2018-12-14 Di Wu , Hong-Wei Yang , De-Shuang Huang

Facial expression classification remains a challenging task due to the high dimensionality and inherent complexity of facial image data. This paper presents Hy-Facial, a hybrid feature extraction framework that integrates both deep learning…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Xinjin Li , Yu Ma , Kaisen Ye , Jinghan Cao , Minghao Zhou , Yeyang Zhou

In this work, we present a Multi-Channel deep convolutional Pyramid Person Matching Network (MC-PPMN) based on the combination of the semantic-components and the color-texture distributions to address the problem of person…

Computer Vision and Pattern Recognition · Computer Science 2018-03-08 Chaojie Mao , Yingming Li , Yaqing Zhang , Zhongfei Zhang , Xi Li

Classical person re-identification approaches assume that a person of interest has appeared across different cameras and can be queried by one of the existing images. However, in real-world surveillance scenarios, frequently no visual…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Ammarah Farooq , Muhammad Awais , Fei Yan , Josef Kittler , Ali Akbari , Syed Safwan Khalid

The goal of multispectral and hyperspectral image fusion (MHIF) is to generate high-quality images that simultaneously possess rich spectral information and fine spatial details. However, due to the inherent trade-off between spectral and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Baisong Li , Xingwang Wang , Haixiao Xu

The task of person re-identification has recently received rising attention due to the high performance achieved by new methods based on deep learning. In particular, in the context of video-based re-identification, many state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2018-04-11 Jean-Baptiste Boin , Andre Araujo , Bernd Girod

Both fine-grained discriminative details and global semantic features can contribute to solving person re-identification challenges, such as occlusion and pose variations. Vision foundation models (\textit{e.g.}, DINO) excel at mining local…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Ying Shu , Pujian Zhan , Huiqi Yang , Hehe Fan , Youfang Lin , Kai Lv

Pooling is a critical operation in convolutional neural networks for increasing receptive fields and improving robustness to input variations. Most existing pooling operations downsample the feature maps, which is a lossy process. Moreover,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-05 Jiaojiao Zhao , Cees G. M. Snoek

Human vision possesses a special type of visual processing systems called peripheral vision. Partitioning the entire visual field into multiple contour regions based on the distance to the center of our gaze, the peripheral vision provides…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Juhong Min , Yucheng Zhao , Chong Luo , Minsu Cho

Cross-spectral person re-identification, which aims to associate identities to pedestrians across different spectra, faces a main challenge of the modality discrepancy. In this paper, we address the problem from both image-level and…

Computer Vision and Pattern Recognition · Computer Science 2023-02-03 Lei Tan , Yukang Zhang , Shengmei Shen , Yan Wang , Pingyang Dai , Xianming Lin , Yongjian Wu , Rongrong Ji

Person re-identification (re-ID) aims at matching images of the same person across camera views. Due to varying distances between cameras and persons of interest, resolution mismatch can be expected, which would degrade re-ID performance in…

Computer Vision and Pattern Recognition · Computer Science 2020-10-26 Yu-Jhe Li , Yun-Chun Chen , Yen-Yu Lin , Yu-Chiang Frank Wang

Group Re-identification (G-ReID) faces greater complexity than individual Re-identification (ReID) due to challenges like mutual occlusion, dynamic member interactions, and evolving group structures. Prior graph-based approaches have aimed…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Ruiqi Liu , Xingyu Liu , Xiaohao Xu , Yixuan Zhang , Yongxin Ge , Lubin Weng

Person re-identification (Re-ID) is a challenging task that involves identifying the same person across different camera views in surveillance systems. Current methods usually rely on features from single-camera views, which can be limiting…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Quang-Huy Che , Le-Chuong Nguyen , Duc-Tuan Luu , Vinh-Tiep Nguyen

In this paper, we present an end-to-end approach to simultaneously learn spatio-temporal features and corresponding similarity metric for video-based person re-identification. Given the video sequence of a person, features from each frame…

Computer Vision and Pattern Recognition · Computer Science 2016-06-14 Lin Wu , Chunhua Shen , Anton van den Hengel

RGB-Infrared person re-identification (RGB-IR ReID) is a challenging cross-modality retrieval problem, which aims at matching the person-of-interest over visible and infrared camera views. Most existing works achieve performance gains…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Yehansen Chen , Lin Wan , Zhihang Li , Qianyan Jing , Zongyuan Sun

This paper presents a multi-pose face recognition approach using hybrid face features descriptors (HFFD). The HFFD is a face descriptor containing of rich discriminant information that is created by fusing some frequency-based features…

Computer Vision and Pattern Recognition · Computer Science 2017-03-14 I Gede Pasek Suta Wijaya , Keiichi Uchimura , Gou Koutaki

Generalizable person Re-Identification (ReID) has attracted growing attention in recent computer vision community. In this work, we construct a structural causal model among identity labels, identity-specific factors (clothes/shoes color…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Yi-Fan Zhang , Zhang Zhang , Da Li , Zhen Jia , Liang Wang , Tieniu Tan

Describing the color and textural information of a person image is one of the most crucial aspects of person re-identification (re-id). In this paper, we present novel meta-descriptors based on a hierarchical distribution of pixel features.…

Computer Vision and Pattern Recognition · Computer Science 2017-06-15 Tetsu Matsukawa , Takahiro Okabe , Einoshin Suzuki , Yoichi Sato

Occluded person re-identification (ReID) aims to match person images with occlusion. It is fundamentally challenging because of the serious occlusion which aggravates the misalignment problem between images. At the cost of incorporating a…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Kecheng Zheng , Cuiling Lan , Wenjun Zeng , Jiawei Liu , Zhizheng Zhang , Zheng-Jun Zha

Most existing person re-identification algorithms either extract robust visual features or learn discriminative metrics for person images. However, the underlying manifold which those images reside on is rarely investigated. That raises a…

Computer Vision and Pattern Recognition · Computer Science 2017-03-27 Song Bai , Xiang Bai , Qi Tian