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Human gait or walking manner is a biometric feature that allows identification of a person when other biometric features such as the face or iris are not visible. In this paper, we present a new pose-based convolutional neural network model…

Computer Vision and Pattern Recognition · Computer Science 2018-02-09 Anna Sokolova , Anton Konushin

Gait recognition is emerging as a promising and innovative area within the field of computer vision, widely applied to remote person identification. Although existing gait recognition methods have achieved substantial success in controlled…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Zhengxian Wu , Chuanrui Zhang , Hangrui Xu , Peng Jiao , Haoqian Wang

Generalized gait recognition remains challenging due to significant domain shifts in viewpoints, appearances, and environments. Mixed-dataset training has recently become a practical route to improve cross-domain robustness, but it…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Qian Zhou , Xianda Guo , Jilong Wang , Chuanfu Shen , Zhongyuan Wang , Zhen Han , Qin Zou , Shiqi Yu

Gait is a unique biometric feature that can be recognized at a distance; thus, it has broad applications in crime prevention, forensic identification, and social security. To portray a gait, existing gait recognition methods utilize either…

Computer Vision and Pattern Recognition · Computer Science 2021-02-08 Hanqing Chao , Kun Wang , Yiwei He , Junping Zhang , Jianfeng Feng

Monocular egocentric human pose estimation is essential for ubiquitous activity monitoring. However, understanding the user's absolute location within the environment remains a challenge. Existing methods primarily focus on relative motion…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Hiroyuki Deguchi , Ryosuke Hori , Kotaro Amaya , Tsubasa Maruyama , Mitsunori Tada , Hideo Saito

Estimating 3D poses from a monocular video is still a challenging task, despite the significant progress that has been made in recent years. Generally, the performance of existing methods drops when the target person is too small/large, or…

Computer Vision and Pattern Recognition · Computer Science 2020-04-27 Yu Cheng , Bo Yang , Bo Wang , Robby T. Tan

We develop a robust multi-scale structure-aware neural network for human pose estimation. This method improves the recent deep conv-deconv hourglass models with four key improvements: (1) multi-scale supervision to strengthen contextual…

Computer Vision and Pattern Recognition · Computer Science 2018-09-18 Lipeng Ke , Ming-Ching Chang , Honggang Qi , Siwei Lyu

Gait is becoming popular as a method of person re-identification because of its ability to identify people at a distance. However, most current works in gait recognition do not address the practical problem of occlusions. Among those which…

Computer Vision and Pattern Recognition · Computer Science 2025-07-23 Ayush Gupta , Siyuan Huang , Rama Chellappa

Occluded person re-identification (Re-ID) in images captured by multiple cameras is challenging because the target person is occluded by pedestrians or objects, especially in crowded scenes. In addition to the processes performed during…

Computer Vision and Pattern Recognition · Computer Science 2022-12-12 Minjung Kim , MyeongAh Cho , Heansung Lee , Suhwan Cho , Sangyoun Lee

Depth estimation from images serves as the fundamental step of 3D perception for autonomous driving and is an economical alternative to expensive depth sensors like LiDAR. The temporal photometric constraints enables self-supervised depth…

Computer Vision and Pattern Recognition · Computer Science 2022-09-21 Yi Wei , Linqing Zhao , Wenzhao Zheng , Zheng Zhu , Yongming Rao , Guan Huang , Jiwen Lu , Jie Zhou

Although monocular 3D human pose estimation methods have made significant progress, it is far from being solved due to the inherent depth ambiguity. Instead, exploiting multi-view information is a practical way to achieve absolute 3D human…

Computer Vision and Pattern Recognition · Computer Science 2022-05-18 Guoliang Hua , Hong Liu , Wenhao Li , Qian Zhang , Runwei Ding , Xin Xu

3D human pose estimation involves reconstructing the human skeleton by detecting the body joints. Accurate and efficient solutions are required for several real-world applications including animation, human-robot interaction, surveillance,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-11 Ana Filipa Rodrigues Nogueira , Hélder P. Oliveira , Luís F. Teixeira

Estimating 3D human poses from a monocular video is still a challenging task. Many existing methods' performance drops when the target person is occluded by other objects, or the motion is too fast/slow relative to the scale and speed of…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Cheng Yu , Bo Wang , Bo Yang , Robby T. Tan

In this paper, we address the problem of wide-baseline camera pose estimation from a group of 360$^\circ$ panoramas under upright-camera assumption. Recent work has demonstrated the merit of deep-learning for end-to-end direct relative pose…

Computer Vision and Pattern Recognition · Computer Science 2023-04-27 Negar Nejatishahidin , Will Hutchcroft , Manjunath Narayana , Ivaylo Boyadzhiev , Yuguang Li , Naji Khosravan , Jana Kosecka , Sing Bing Kang

Image matching is a fundamental and critical task in various visual applications, such as Simultaneous Localization and Mapping (SLAM) and image retrieval, which require accurate pose estimation. However, most existing methods ignore the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-31 Miao Fan , Mingrui Chen , Chen Hu , Shuchang Zhou

Existing 2D-to-3D pose lifting networks suffer from poor performance in cross-dataset benchmarks. Although the use of 2D keypoints joined by "stick-figure" limbs has shown promise as an intermediate step, stick-figures do not account for…

Computer Vision and Pattern Recognition · Computer Science 2023-07-20 Saad Manzur , Wayne Hayes

Recent joint embedding-based self-supervised methods have surpassed standard supervised approaches on various image recognition tasks such as image classification. These self-supervised methods aim at maximizing agreement between features…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Arya Farkhondeh , Cristina Palmero , Simone Scardapane , Sergio Escalera

Occlusions remain one of the key challenges in 3D body pose estimation from single-camera video sequences. Temporal consistency has been extensively used to mitigate their impact but the existing algorithms in the literature do not…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Soumava Kumar Roy , Ilia Badanin , Sina Honari , Pascal Fua

We present a new learning-based method for multi-frame depth estimation from a color video, which is a fundamental problem in scene understanding, robot navigation or handheld 3D reconstruction. While recent learning-based methods estimate…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Xiaoxiao Long , Lingjie Liu , Christian Theobalt , Wenping Wang

Although many approaches for multi-human pose estimation in videos have shown profound results, they require densely annotated data which entails excessive man labor. Furthermore, there exists occlusion and motion blur that inevitably lead…

Computer Vision and Pattern Recognition · Computer Science 2022-07-29 Kyung-Min Jin , Gun-Hee Lee , Seong-Whan Lee