English
Related papers

Related papers: Persistent-homology-based gait recognition

200 papers

In this paper, we propose a novel trajectory learning method that exploits motion trajectories on topological map using recurrent neural network for temporally consistent geolocalization of object. Inspired by human's ability to both be…

Computer Vision and Pattern Recognition · Computer Science 2020-10-14 Bing Zha , Alper Yilmaz

Gait recognition is emerging as a promising technology and an innovative field within computer vision, with a wide range of applications in remote human identification. However, existing methods typically rely on complex architectures to…

Computer Vision and Pattern Recognition · Computer Science 2026-01-26 Zhengxian Wu , Chuanrui Zhang , Shenao Jiang , Hangrui Xu , Zirui Liao , Luyuan Zhang , Huaqiu Li , Peng Jiao , Haoqian Wang

Gait recognition, a long-distance biometric technology, has aroused intense interest recently. Currently, the two dominant gait recognition works are appearance-based and model-based, which extract features from silhouettes and skeletons,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Likai Wang , Ruize Han , Wei Feng

Gait anomaly detection is a task that involves detecting deviations from a person's normal gait pattern. These deviations can indicate health issues and medical conditions in the healthcare domain, or fraudulent impersonation and…

Signal Processing · Electrical Eng. & Systems 2024-05-17 Ming-Chang Lee , Jia-Chun Lin , Sokratis Katsikas

Gait recognition offers a non-intrusive biometric solution by identifying individuals through their walking patterns. Although discriminative models have achieved notable success in this domain, the full potential of generative models…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Haijun Xiong , Bin Feng , Bang Wang , Xinggang Wang , Wenyu Liu

Human motion characteristics are used to monitor the progression of neurological diseases and mood disorders. Since perceptions of emotions are also interleaved with body posture and movements, emotion recognition from human gait can be…

Computer Vision and Pattern Recognition · Computer Science 2021-08-30 Matthew Malek-Podjaski , Fani Deligianni

We study the grokking phenomenon through the lens of topology. Using persistent homology on point clouds derived from the embedding matrices of a range of models trained on modular arithmetic with varying primes, we identify a clear and…

Machine Learning · Computer Science 2026-05-08 Yifan Tang , Qiquan Wang , Inés García-Redondo , Anthea Monod

This paper aims to discuss a method of quantifying the 'shape' of data, via a methodology called topological data analysis. The main tool within topological data analysis is persistent homology; this is a means of measuring the shape of…

Algebraic Topology · Mathematics 2022-09-14 Tristan Gowdridge , Nikolaos Devilis , Keith Worden

Object recognition in unseen indoor environments remains a challenging problem for visual perception of mobile robots. In this letter, we propose the use of topologically persistent features, which rely on the objects' shape information, to…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Ekta U. Samani , Xingjian Yang , Ashis G. Banerjee

Spatial transcriptomics studies are becoming increasingly large and commonplace, necessitating simultaneous analysis of a large number of spatially resolved variables. Correspondingly, a diverse range of methodologies have been proposed to…

Quantitative Methods · Quantitative Biology 2025-09-09 James Boyle , Gregory Hamm , Eleanor Williams , Robin JG Hartman , Magnus Soderburg , Ian Henry , Michael Casey

Gait recognition, referring to the identification of individuals based on the manner in which they walk, can be very challenging due to the variations in the viewpoint of the camera and the appearance of individuals. Current methods for…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Alireza Sepas-Moghaddam , Saeed Ghorbani , Nikolaus F. Troje , Ali Etemad

Gait recognition is an important recognition technology, because gait is not easy to camouflage and does not need cooperation to recognize subjects. However, many existing methods are inadequate in preserving both temporal information and…

Computer Vision and Pattern Recognition · Computer Science 2022-08-15 Yifan Chen , Yang Zhao , Xuelong Li

Despite its paramount importance for manifold use cases (e.g., in the health care industry, sports, rehabilitation and fitness assessment), sufficiently valid and reliable gait parameter measurement is still limited to high-tech gait…

Signal Processing · Electrical Eng. & Systems 2024-09-05 Arash Azhand , Sophie Rabe , Swantje Müller , Igor Sattler , Anika Steinert

We propose a novel method for topological analysis of unweighted graphs which is based on \textit{persistent homology}. The proposed method maps the input graph to a complete weighted graph where the weighting function maps each edge to a…

Algebraic Topology · Mathematics 2020-07-31 Padraig Corcoran

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

Gait-based person identification from videos captured at surveillance sites using Computer Vision-based techniques is quite challenging since these walking sequences are usually corrupted with occlusion, and a complete cycle of gait is not…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Abhishek Paul , Manav Mukesh Jain , Jinesh Jain , Pratik Chattopadhyay

Gait recognition is a biometric technology that identifies individuals in a video sequence by analysing their style of walking or limb movement. However, this identification is generally sensitive to appearance changes and conventional…

Computer Vision and Pattern Recognition · Computer Science 2020-06-29 Sandesh Bharadwaj , Kunal Chanda

We present a topological pipeline for automated multiclass emotion recognition from eye-tracking data. Delay embeddings of gaze trajectories are analyzed using persistent homology. From the resulting persistence diagrams, we extract…

Machine Learning · Computer Science 2025-07-24 Arsha Niksa , Hooman Zare , Ali Shahrabi , Hanieh Hatami , Mohammadreza Razvan

Gait recognition holds the promise to robustly identify subjects based on walking patterns instead of appearance information. In recent years, this field has been dominated by learning methods based on two principal input representations:…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Yuxiang Guo , Anshul Shah , Jiang Liu , Ayush Gupta , Rama Chellappa , Cheng Peng

Gait recognition, a fundamental biometric technology, leverages unique walking patterns for individual identification, typically using 2D representations such as silhouettes or skeletons. However, these methods often struggle with viewpoint…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Zhao-Yang Wang , Jieneng Chen , Jiang Liu , Yuxiang Guo , Rama Chellappa
‹ Prev 1 4 5 6 7 8 10 Next ›