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The utilization of synthetic data for fingerprint recognition has garnered increased attention due to its potential to alleviate privacy concerns surrounding sensitive biometric data. However, current methods for generating fingerprints…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Steven A. Grosz , Anil K. Jain

Gait recognition enables non-intrusive, privacy-preserving identification but suffers in uncontrolled environments due to illumination and motion sensitivity of conventional cameras. In this work, we explore gait recognition using event…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Senyan Xu , Shuai Chen , Chuanfu Shen , Kean Liu , Zhijing Sun , Chengzhi Cao , Xueyang Fu

Mixed Reality (MR) systems capture continuous video streams that expose bystanders' and collaborators' gait patterns -- a biometric revealing sensitive attributes including age, gender, and health conditions. We show that video-based gait…

Human-Computer Interaction · Computer Science 2025-12-11 Diana Romero , Athina Markopoulou , Salma Elmalaki

The essence of a video lies in its dynamic motions, including character actions, object movements, and camera movements. While text-to-video generative diffusion models have recently advanced in creating diverse contents, controlling…

Computer Vision and Pattern Recognition · Computer Science 2024-01-04 Yuxin Zhang , Fan Tang , Nisha Huang , Haibin Huang , Chongyang Ma , Weiming Dong , Changsheng Xu

Gait patterns play a critical role in human identification and healthcare analytics, yet current progress remains constrained by small, narrowly designed models that fail to scale or generalize. Building a unified gait foundation model…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Dingqiang Ye , Chao Fan , Kartik Narayan , Bingzhe Wu , Chengwen Luo , Jianqiang Li , Vishal M. Patel

Recently, 3D LiDAR has emerged as a promising technique in the field of gait-based person identification, serving as an alternative to traditional RGB cameras, due to its robustness under varying lighting conditions and its ability to…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Jeongho Ahn , Kazuto Nakashima , Koki Yoshino , Yumi Iwashita , Ryo Kurazume

Gait recognition aims to identify individuals based on their body shape and walking patterns. Though much progress has been achieved driven by deep learning, gait recognition in real-world surveillance scenarios remains quite challenging to…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Shaoxiong Zhang , Jinkai Zheng , Shangdong Zhu , Chenggang Yan

Gait recognition from motion capture data, as a pattern classification discipline, can be improved by the use of machine learning. This paper contributes to the state-of-the-art with a statistical approach for extracting robust gait…

Computer Vision and Pattern Recognition · Computer Science 2022-12-09 Michal Balazia , Petr Sojka

Gait of a person refers to his/her walking pattern, and according to medical studies gait of every individual is unique. Over the past decade, several computer vision-based gait recognition approaches have been proposed in which walking…

Computer Vision and Pattern Recognition · Computer Science 2020-02-12 Dhritimaan Das , Ayush Agarwal , Pratik Chattopadhyay , Lipo Wang

As an emerging biological identification technology, vision-based gait identification is an important research content in biometrics. Most existing gait identification methods extract features from gait videos and identify a probe sample by…

Computer Vision and Pattern Recognition · Computer Science 2021-11-25 Xingkai Zheng , Xirui Li , Ke Xu , Xinghao Jiang , Tanfeng Sun

Trajectories are nowadays valuable information for a wide range of applications. However they are also inherently sensitive, as they contain highly personal information about individuals. Facing this challenge, synthesizing mobility…

Artificial Intelligence · Computer Science 2026-05-12 Florent Guépin , Cheick Tidiani Cisse , Denis Renaud , François Bidet , Arnaud Legendre

Numerous studies in the literature have already shown the potential of biometrics on mobile devices for authentication purposes. However, it has been shown that, the learning processes associated to biometric systems might expose sensitive…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Paula Delgado-Santos , Ruben Tolosana , Richard Guest , Ruben Vera , Farzin Deravi , Aythami Morales

Gait recognition is instrumental in crime prevention and social security, for it can be conducted at a long distance to figure out the identity of persons. However, existing datasets and methods cannot satisfactorily deal with the most…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Xuqian Ren , Saihui Hou , Chunshui Cao , Xu Liu , Yongzhen Huang

Human identification is one of the most common and critical tasks for condition monitoring, human-machine interaction, and providing assistive services in smart environments. Recently, human gait has gained new attention as a biometric for…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Muhammad Zeeshan Arshad , Dawoon Jung , Mina Park , Kyung-Ryoul Mun , Jinwook Kim

Gait recognition, which refers to the recognition or identification of a person based on their body shape and walking styles, derived from video data captured from a distance, is widely used in crime prevention, forensic identification, and…

Computer Vision and Pattern Recognition · Computer Science 2022-07-14 Hung-Min Hsu , Yizhou Wang , Cheng-Yen Yang , Jenq-Neng Hwang , Hoang Le Uyen Thuc , Kwang-Ju Kim

Despite recent advancements in neural 3D reconstruction, the dependence on dense multi-view captures restricts their broader applicability. In this work, we propose \textbf{ViewCrafter}, a novel method for synthesizing high-fidelity novel…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Wangbo Yu , Jinbo Xing , Li Yuan , Wenbo Hu , Xiaoyu Li , Zhipeng Huang , Xiangjun Gao , Tien-Tsin Wong , Ying Shan , Yonghong Tian

Recently, diffusion models have shown their impressive ability in visual generation tasks. Besides static images, more and more research attentions have been drawn to the generation of realistic videos. The video generation not only has a…

Computer Vision and Pattern Recognition · Computer Science 2025-11-03 Yucheng Xing , Jinxing Yin , Xiaodong Liu

Gait recognition has emerged as a powerful tool for unobtrusive and long-range identity analysis, with growing relevance in surveillance and monitoring applications. Although recent advances in deep learning and large-scale datasets have…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Nicoleta Basoc , Adrian Cosma , Andy Cǎtrunǎ , Emilian Rǎdoi

Human gait refers to a daily motion that represents not only mobility, but it can also be used to identify the walker by either human observers or computers. Recent studies reveal that gait even conveys information about the walker's…

Human-Computer Interaction · Computer Science 2022-07-19 Shihao Xu , Jing Fang , Xiping Hu , Edith Ngai , Wei Wang , Yi Guo , Victor C. M. Leung

Pathological gait analysis is constrained by limited and variable clinical datasets, which restrict the modeling of diverse gait impairments. To address this challenge, we propose a Pathological Gait-conditioned Generative Adversarial…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Mritula Chandrasekaran , Sanket Kachole , Jarek Francik , Dimitrios Makris