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Gait is increasingly recognized as a vital sign, yet current approaches treat it as a symptom of specific pathologies rather than a systemic biomarker. We developed a gait foundation model for 3D skeletal motion from 3,414 deeply phenotyped…

Gait has been considered as a promising and unique biometric for person identification. Traditionally, gait data are collected using either color sensors, such as a CCD camera, depth sensors, such as a Microsoft Kinect, or inertial sensors,…

Computer Vision and Pattern Recognition · Computer Science 2018-11-02 Qin Zou , Lihao Ni , Qian Wang , Qingquan Li , Song Wang

Different technologies can acquire data for gait analysis, such as optical systems and inertial measurement units (IMUs). Each technology has its drawbacks and advantages, fitting best to particular applications. The presented multi-sensor…

Human-Computer Interaction · Computer Science 2021-12-01 Geise Santos , Marcelo Wanderley , Tiago Tavares , Anderson Rocha

Gait analysis is the study of the systematic methods that assess and quantify animal locomotion. The research on gait analysis has considerably evolved through time. It was an ancient art, and it still finds its application today in modern…

Computer Vision and Pattern Recognition · Computer Science 2019-03-27 Ebenezer R. H. P. Isaac , Susan Elias , Srinivasan Rajagopalan , K. S. Easwarakumar

Gait, the walking pattern of individuals, is one of the most important biometrics modalities. Most of the existing gait recognition methods take silhouettes or articulated body models as the gait features. These methods suffer from degraded…

Computer Vision and Pattern Recognition · Computer Science 2019-04-11 Ziyuan Zhang , Luan Tran , Xi Yin , Yousef Atoum , Xiaoming Liu , Jian Wan , Nanxin Wang

Global security concerns have raised a proliferation of video surveillance devices. Intelligent surveillance systems seek to discover possible threats automatically and raise alerts. Being able to identify the surveyed object can help…

Computer Vision and Pattern Recognition · Computer Science 2020-05-06 Tracey K. M. Lee , Mohammed Belkhatir , Saeid Sanei

Authentication schemes using tokens or biometric modalities have been proposed to ameliorate the security strength on mobile devices. However, the existing approaches are obtrusive since the user is required to perform explicit gestures in…

Cryptography and Security · Computer Science 2016-02-11 Thang Hoang , Deokjai Choi , Thuc Nguyen

Background. Wearable accelerometry devices allow collection of high-density activity data in large epidemiological studies both in-the-lab as well as in-the-wild (free-living). Such data can be used to detect and identify periods of…

Quantitative Methods · Quantitative Biology 2017-11-20 Jacek K. Urbanek , Vadim Zipunnikov , Tamara Harris , Ciprian Crainiceanu , Jaroslaw Harezlak , Nancy W. Glynn

Gait, an unobtrusive biometric, is valued for its capability to identify individuals at a distance, across external outfits and environmental conditions. This study challenges the prevailing assumption that vision-based gait recognition, in…

Computer Vision and Pattern Recognition · Computer Science 2024-02-14 Andy Cătrună , Adrian Cosma , Emilian Rădoi

Gait velocity has been consistently shown to be an important indicator and predictor of health status, especially in older adults. It is often assessed clinically, but the assessments occur infrequently and do not allow optimal detection of…

Other Computer Science · Computer Science 2015-12-02 Rajib Rana , Daniel Austin , Peter G. Jacobs , Mohanraj Karunanithi , Jeffrey Kaye

Gait analysis using computer vision is an emerging field in AI, offering clinicians an objective, multi-feature approach to analyse complex movements. Despite its promise, current applications using RGB video data alone are limited in…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Rahm Ranjan , David Ahmedt-Aristizabal , Mohammad Ali Armin , Juno Kim

Gait recognition is a valuable biometric task that enables the identification of individuals from a distance based on their walking patterns. However, it remains limited by the lack of large-scale labeled datasets and the difficulty of…

Computer Vision and Pattern Recognition · Computer Science 2025-08-20 Sirshapan Mitra , Yogesh S. Rawat

Identifying humans with their walking sequences, known as gait recognition, is a useful biometric understanding task as it can be observed from a long distance and does not require cooperation from the subject. Two common modalities used…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Haidong Zhu , Wanrong Zheng , Zhaoheng Zheng , Ram Nevatia

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

Objective: In this paper, we demonstrate the applicability of radar for gait classification with application to home security, medical diagnosis, rehabilitation and assisted living. Aiming at identifying changes in gait patterns based on…

Signal Processing · Electrical Eng. & Systems 2019-02-05 Ann-Kathrin Seifert , Moeness G. Amin , Abdelhak M. Zoubir

We consider the problem of identifying people on the basis of their walk (gait) pattern. Classical approaches to tackle this problem are based on, e.g., video recordings or piezoelectric sensors embedded in the floor. In this work, we rely…

Sound · Computer Science 2020-01-27 Srđan Kitić , Gilles Puy , Patrick Pérez , Philippe Gilberton

Many gait recognition methods first partition the human gait into N-parts and then combine them to establish part-based feature representations. Their gait recognition performance is often affected by partitioning strategies, which are…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Ming Wang , Beibei Lin , Xianda Guo , Lincheng Li , Zheng Zhu , Jiande Sun , Shunli Zhang , Xin Yu

Gait recognition is an appealing biometric modality which aims to identify individuals based on the way they walk. Deep learning has reshaped the research landscape in this area since 2015 through the ability to automatically learn…

Computer Vision and Pattern Recognition · Computer Science 2022-02-15 Alireza Sepas-Moghaddam , Ali Etemad

Gait analysis (GA) has been widely used in physical activity monitoring and clinical contexts, and the estimation of the spatial-temporal gait parameters is of primary importance for GA. With the quick development of smart tiny sensors, GA…

Signal Processing · Electrical Eng. & Systems 2018-10-24 Cheng Wang , Xiangdong Wang , Zhou Long , Tian Tian , Mingming Gao , Xiaoping Yun , Yueliang Qian , Jintao Li

Movement disorders, such as Parkinson's disease, affect more than 10 million people worldwide. Gait analysis is a critical step in the diagnosis and rehabilitation of these disorders. Specifically, step length provides valuable insights…

Signal Processing · Electrical Eng. & Systems 2022-05-03 Sizhe An , Yigit Tuncel , Toygun Basaklar , Gokul Krishna Krishnakumar , Ganapati Bhat , Umit Ogras