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This paper focuses on addressing the problem of data scarcity for gait analysis. Standard augmentation methods may produce gait sequences that are not consistent with the biomechanical constraints of human walking. To address this issue, we…

Computer Vision and Pattern Recognition · Computer Science 2023-07-24 Mritula Chandrasekaran , Jarek Francik , Dimitrios Makris

Nowadays, commonly-used authentication systems for mobile device users, e.g. password checking, face recognition or fingerprint scanning, are susceptible to various kinds of attacks. In order to prevent some of the possible attacks, these…

Computer Vision and Pattern Recognition · Computer Science 2020-09-02 Cezara Benegui , Radu Tudor Ionescu

Skeleton-based human action recognition is a powerful approach for understanding human behaviour from pose data, but collecting large-scale, diverse, and well-annotated 3D skeleton datasets is both expensive and labor-intensive. To address…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Xu Dong , Wanqing Li , Anthony Adeyemi-Ejeye , Andrew Gilbert

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 recognition has a rapid development in recent years. However, gait recognition in the wild is not well explored yet. An obvious reason could be ascribed to the lack of diverse training data from the perspective of intrinsic and…

Computer Vision and Pattern Recognition · Computer Science 2021-06-02 Pengyi Zhang , Huanzhang Dou , Wenhu Zhang , Yuhan Zhao , Songyuan Li , Zequn Qin , Xi Li

Machine learning (ML) and deep learning models are extensively used for parameter optimization and regression problems. However, not all inverse problems in ML are ``identifiable,'' indicating that model parameters may not be uniquely…

Machine Learning · Computer Science 2023-07-24 Reza Sameni

Gait recognition is the process of identifying humans from their bipedal locomotion such as walking or running. As such, gait data is privacy sensitive information and should be anonymized where possible. With the rise of higher quality…

Cryptography and Security · Computer Science 2023-09-04 Simon Hanisch , Evelyn Muschter , Admantini Hatzipanayioti , Shu-Chen Li , Thorsten Strufe

We propose a method that augments a simulated dataset using diffusion models to improve the performance of pedestrian detection in real-world data. The high cost of collecting and annotating data in the real-world has motivated the use of…

Computer Vision and Pattern Recognition · Computer Science 2023-05-17 Andrew Farley , Mohsen Zand , Michael Greenspan

Gait is a popular biometric pattern used for identifying people based on their way of walking. Traditionally, gait recognition approaches based on deep learning are trained using the whole training dataset. In fact, if new data (classes,…

Computer Vision and Pattern Recognition · Computer Science 2020-09-01 Zihao Mu , Francisco M. Castro , Manuel J. Marin-Jimenez , Nicolas Guil , Yan-ran Li , Shiqi Yu

Gait recognition is a biometric technology that recognizes the identity of humans through their walking patterns. Compared with other biometric technologies, gait recognition is more difficult to disguise and can be applied to the condition…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Ming Wang , Xianda Guo , Beibei Lin , Tian Yang , Zheng Zhu , Lincheng Li , Shunli Zhang , Xin Yu

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 analysis is proven to be a reliable way to perform person identification without relying on subject cooperation. Walking is a biometric that does not significantly change in short periods of time and can be regarded as unique to each…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Adrian Cosma , Emilian Radoi

Data augmentation is a crucial technique for training robust deep learning models for human motion, where annotated datasets are often scarce. However, generic augmentation methods often ignore the underlying geometric and kinematic…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Bikram De , Habib Irani , Vangelis Metsis

In general, biometry-based control systems may not rely on individual expected behavior or cooperation to operate appropriately. Instead, such systems should be aware of malicious procedures for unauthorized access attempts. Some works…

Deep learning-based computer vision is usually data-hungry. Many researchers attempt to augment datasets with synthesized data to improve model robustness. However, the augmentation of popular pedestrian datasets, such as Caltech and…

Computer Vision and Pattern Recognition · Computer Science 2021-01-12 Zhe Chen , Wanli Ouyang , Tongliang Liu , Dacheng Tao

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

Human gait can be a predictive factor for detecting pathologies that affect human locomotion according to studies. In addition, it is known that a high investment is demanded in order to raise a traditional clinical infrastructure able to…

Signal Processing · Electrical Eng. & Systems 2021-10-13 T. R. D. Sa , C. M. S. Figueiredo

Human gait is considered a unique biometric identifier which can be acquired in a covert manner at a distance. However, models trained on existing public domain gait datasets which are captured in controlled scenarios lead to drastic…

Computer Vision and Pattern Recognition · Computer Science 2023-02-09 Shaoxiong Zhang , Yunhong Wang , Tianrui Chai , Annan Li , Anil K. Jain

Forensic gait analysis can aid the investigation of crimes through comparing features of gait captured in video footage. Modelling the probative value of gait evidence requires an understanding of the variation of features of gait between…

Applications · Statistics 2026-05-06 Ruoyun Hui , Amy L Wilson , Colin Aitken , Ivan Birch , Nadia Asgeirsdottir , Graham Jackson

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
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