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Person re-identification (ReID) remains a very difficult challenge in computer vision, and critical for large-scale video surveillance scenarios where an individual could appear in different camera views at different times. There has been…

Computer Vision and Pattern Recognition · Computer Science 2019-12-30 Devinder Kumar , Parthipan Siva , Paul Marchwica , Alexander Wong

In a world of pervasive cameras, public spaces are often captured from multiple perspectives by cameras of different types, both fixed and mobile. An important problem is to organize these heterogeneous collections of videos by finding…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Mingze Xu , Chenyou Fan , Yuchen Wang , Michael S Ryoo , David J Crandall

We present VoxelTrack for multi-person 3D pose estimation and tracking from a few cameras which are separated by wide baselines. It employs a multi-branch network to jointly estimate 3D poses and re-identification (Re-ID) features for all…

Computer Vision and Pattern Recognition · Computer Science 2021-08-06 Yifu Zhang , Chunyu Wang , Xinggang Wang , Wenyu Liu , Wenjun Zeng

In recent years, a growing body of research has focused on the problem of person re-identification (re-id). The re-id techniques attempt to match the images of pedestrians from disjoint non-overlapping camera views. A major challenge of…

Computer Vision and Pattern Recognition · Computer Science 2018-04-02 Zhanxiang Feng , Jianhuang Lai , Xiaohua Xie

Estimating relative camera poses from consecutive frames is a fundamental problem in visual odometry (VO) and simultaneous localization and mapping (SLAM), where classic methods consisting of hand-crafted features and sampling-based outlier…

Computer Vision and Pattern Recognition · Computer Science 2020-07-31 You-Yi Jau , Rui Zhu , Hao Su , Manmohan Chandraker

Accurate 3D human pose estimation from single images is possible with sophisticated deep-net architectures that have been trained on very large datasets. However, this still leaves open the problem of capturing motions for which no such…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Helge Rhodin , Jörg Spörri , Isinsu Katircioglu , Victor Constantin , Frédéric Meyer , Erich Müller , Mathieu Salzmann , Pascal Fua

In general, human pose estimation methods are categorized into two approaches according to their architectures: regression (i.e., heatmap-free) and heatmap-based methods. The former one directly estimates precise coordinates of each…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Jonghyun Kim , Bosang Kim , Hyotae Lee , Jungpyo Kim , Wonhyeok Im , Lanying Jin , Dowoo Kwon , Jungho Lee

Cloth changing person re-identification(Re-ID) can work under more complicated scenarios with higher security than normal Re-ID and biometric techniques and is therefore extremely valuable in applications. Meanwhile, higher flexibility in…

Computer Vision and Pattern Recognition · Computer Science 2022-10-10 Renjie Zhang , Yu Fang , Huaxin Song , Fangbin Wan , Yanwei Fu , Hirokazu Kato , Yang Wu

Existing person re-identification (re-id) methods mostly exploit a large set of cross-camera identity labelled training data. This requires a tedious data collection and annotation process, leading to poor scalability in practical re-id…

Computer Vision and Pattern Recognition · Computer Science 2021-01-19 Xiangping Zhu , Xiatian Zhu , Minxian Li , Pietro Morerio , Vittorio Murino , Shaogang Gong

Object re-identification (ReID) in large camera networks faces numerous challenges. First, the similar appearances of objects degrade ReID performance, a challenge that needs to be addressed by existing appearance-based ReID methods.…

Computer Vision and Pattern Recognition · Computer Science 2024-08-23 Hye-Geun Kim , Yong-Hyuk Moon , Yeong-Jun Cho

Typical person re-identification frameworks search for k best matches in a gallery of images that are often collected in varying conditions. The gallery may contain image sequences when re-identification is done on videos. However, such a…

Computer Vision and Pattern Recognition · Computer Science 2019-02-14 Sk. Arif Ahmed , Debi Prosad Dogra , Heeseung Choi , Seungho Chae , Ig-Jae Kim

The reconstruction of a scene via a stereo-camera system is a two-steps process, where at first images from different cameras are matched to identify the set of point-to-point correspondences that then will actually be reconstructed in the…

Computer Vision and Pattern Recognition · Computer Science 2021-01-15 Riccardo Beschi , Xiao Feng , Stefania Melillo , Leonardo Parisi , Lorena Postiglione

Identifying the same individual across different scenes is an important yet difficult task in intelligent video surveillance. Its main difficulty lies in how to preserve similarity of the same person against large appearance and structure…

Computer Vision and Pattern Recognition · Computer Science 2015-12-14 Shengyong Ding , Liang Lin , Guangrun Wang , Hongyang Chao

Depictions of similar human body configurations can vary with changing viewpoints. Using only 2D information, we would like to enable vision algorithms to recognize similarity in human body poses across multiple views. This ability is…

Computer Vision and Pattern Recognition · Computer Science 2020-10-26 Jennifer J. Sun , Jiaping Zhao , Liang-Chieh Chen , Florian Schroff , Hartwig Adam , Ting Liu

We present a novel large-scale dataset and comprehensive baselines for end-to-end pedestrian detection and person recognition in raw video frames. Our baselines address three issues: the performance of various combinations of detectors and…

Computer Vision and Pattern Recognition · Computer Science 2017-04-07 Liang Zheng , Hengheng Zhang , Shaoyan Sun , Manmohan Chandraker , Yi Yang , Qi Tian

Visual re-localization means using a single image as input to estimate the camera's location and orientation relative to a pre-recorded environment. The highest-scoring methods are "structure based," and need the query camera's intrinsics…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Mehmet Ozgur Turkoglu , Eric Brachmann , Konrad Schindler , Gabriel Brostow , Aron Monszpart

Intra-camera supervision (ICS) for person re-identification (Re-ID) assumes that identity labels are independently annotated within each camera view and no inter-camera identity association is labeled. It is a new setting proposed recently…

Computer Vision and Pattern Recognition · Computer Science 2020-12-14 Menglin Wang , Baisheng Lai , Haokun Chen , Jianqiang Huang , Xiaojin Gong , Xian-Sheng Hua

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

Vehicle re-identification (Re-ID) is an active task due to its importance in large-scale intelligent monitoring in smart cities. Despite the rapid progress in recent years, most existing methods handle vehicle Re-ID task in a supervised…

Computer Vision and Pattern Recognition · Computer Science 2020-11-19 Aihua Zheng , Xia Sun , Chenglong Li , Jin Tang

Person re-identification (Re-ID) is a crucial task in computer vision, aiming to recognize individuals across non-overlapping camera views. While recent advanced vision-language models (VLMs) excel in logical reasoning and multi-task…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Ke Niu , Haiyang Yu , Mengyang Zhao , Teng Fu , Siyang Yi , Wei Lu , Bin Li , Xuelin Qian , Xiangyang Xue