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Person re-identification becomes a more and more important task due to its wide applications. In practice, person re-identification still remains challenging due to the variation of person pose, different lighting, occlusion, misalignment,…

Computer Vision and Pattern Recognition · Computer Science 2019-07-01 Honglong Cai , Zhiguan Wang , Jinxing Cheng

Cloth-changing person reidentification (ReID) is a newly emerging research topic that aims to retrieve pedestrians whose clothes are changed. Since the human appearance with different clothes exhibits large variations, it is very difficult…

Computer Vision and Pattern Recognition · Computer Science 2023-11-20 Zan Gao , Hongwei Wei , Weili Guan , Jie Nie , Meng Wang , Shenyong Chen

Dense pose estimation is a dense 3D prediction task for instance-level human analysis, aiming to map human pixels from an RGB image to a 3D surface of the human body. Due to a large amount of surface point regression, the training process…

Computer Vision and Pattern Recognition · Computer Science 2022-11-07 Wenhe Jia , Yilin Zhou , Xuhan Zhu , Mengjie Hu , Chun Liu , Qing Song

Accurate gender recognition from extreme long-range imagery remains a challenging problem due to limited spatial resolution, viewpoint variability, and loss of facial cues. For such purpose, we present a dual-path transformer framework that…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Nzakiese Mbongo , Kailash A. Hambarde , Hugo Proença

To address the challenging task of instance-aware human part parsing, a new bottom-up regime is proposed to learn category-level human semantic segmentation as well as multi-person pose estimation in a joint and end-to-end manner. It is a…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Tianfei Zhou , Wenguan Wang , Si Liu , Yi Yang , Luc Van Gool

Person Re-identification (re-id) faces two major challenges: the lack of cross-view paired training data and learning discriminative identity-sensitive and view-invariant features in the presence of large pose variations. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2018-04-26 Xuelin Qian , Yanwei Fu , Tao Xiang , Wenxuan Wang , Jie Qiu , Yang Wu , Yu-Gang Jiang , Xiangyang Xue

This paper presents a novel person re-identification model, named Multi-Head Self-Attention Network (MHSA-Net), to prune unimportant information and capture key local information from person images. MHSA-Net contains two main novel…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Hongchen Tan , Xiuping Liu , Baocai Yin , Xin Li

Person re-identification aims to identify a specific person at distinct times and locations. It is challenging because of occlusion, illumination, and viewpoint change in camera views. Recently, multi-shot person re-id task receives more…

Computer Vision and Pattern Recognition · Computer Science 2018-11-09 Ting-Yao Hu , Xiaojun Chang , Alexander G. Hauptmann

Person re-identification (re-id), an emerging problem in visual surveillance, deals with maintaining entities of individuals whilst they traverse various locations surveilled by a camera network. From a visual perspective re-id is…

Computer Vision and Pattern Recognition · Computer Science 2015-05-11 Ziming Zhang , Venkatesh Saligrama

Person re-identification (Re-ID) aims at retrieving a person of interest across multiple non-overlapping cameras. With the advancement of deep neural networks and increasing demand of intelligent video surveillance, it has gained…

Computer Vision and Pattern Recognition · Computer Science 2021-01-07 Mang Ye , Jianbing Shen , Gaojie Lin , Tao Xiang , Ling Shao , Steven C. H. Hoi

Person re-identification is indeed a challenging visual recognition task due to the critical issues of human pose variation, human body occlusion, camera view variation, etc. To address this, most of the state-of-the-art approaches are…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Fu Xiong , Yang Xiao , Zhiguo Cao , Kaicheng Gong , Zhiwen Fang , Joey Tianyi Zhou

Due to unreliable geometric matching and content misalignment, most conventional pose transfer algorithms fail to generate fine-trained person images. In this paper, we propose a novel framework Spatial Content Alignment GAN (SCAGAN) which…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Wing-Yin Yu , Lai-Man Po , Yuzhi Zhao , Jingjing Xiong , Kin-Wai Lau

Cross-modal alignment is a crucial task in multimodal learning aimed at achieving semantic consistency between vision and language. This requires that image-text pairs exhibit similar semantics. Traditional algorithms pursue embedding…

Machine Learning · Computer Science 2026-03-09 Xiang Ma , Lexin Fang , Litian Xu , Caiming Zhang

In this paper, we investigate the challenging task of person re-identification from a new perspective and propose an end-to-end attention-based architecture for few-shot re-identification through meta-learning. The motivation for this task…

Computer Vision and Pattern Recognition · Computer Science 2019-03-26 Alireza Rahimpour , Hairong Qi

Face alignment is a classic problem in the computer vision field. Previous works mostly focus on sparse alignment with a limited number of facial landmark points, i.e., facial landmark detection. In this paper, for the first time, we aim at…

Computer Vision and Pattern Recognition · Computer Science 2017-09-06 Yaojie Liu , Amin Jourabloo , William Ren , Xiaoming Liu

Video person re-identification attracts much attention in recent years. It aims to match image sequences of pedestrians from different camera views. Previous approaches usually improve this task from three aspects, including a) selecting…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Ruimao Zhang , Hongbin Sun , Jingyu Li , Yuying Ge , Liang Lin , Ping Luo , Xiaogang Wang

In addition to considering the recognition difficulty caused by human posture and occlusion, it is also necessary to solve the modal differences caused by different imaging systems in the Visible-Thermal cross-modal person re-identification…

Computer Vision and Pattern Recognition · Computer Science 2022-06-10 Xiaohong Wang , Chaoqi Li , Xiangcai Ma

Learning representative, robust and discriminative information from images is essential for effective person re-identification (Re-Id). In this paper, we propose a compound approach for end-to-end discriminative deep feature learning for…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Nathanael L. Baisa

In this paper, we present an attention mechanism scheme to improve person re-identification task. Inspired by biology, we propose Self Attention Grid (SAG) to discover the most informative parts from a high-resolution image using its…

Computer Vision and Pattern Recognition · Computer Science 2018-09-25 Jean-Paul Ainam , Ke Qin , Guisong Liu

Part-level representations are essential for robust person re-identification. However, common errors that arise during pedestrian detection frequently result in severe misalignment problems for body parts, which degrade the quality of part…

Computer Vision and Pattern Recognition · Computer Science 2019-12-16 Kan Wang , Changxing Ding , Stephen J. Maybank , Dacheng Tao