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Skeleton-based human action recognition has attracted a lot of research attention during the past few years. Recent works attempted to utilize recurrent neural networks to model the temporal dependencies between the 3D positional…

Computer Vision and Pattern Recognition · Computer Science 2017-06-27 Jun Liu , Amir Shahroudy , Dong Xu , Alex C. Kot , Gang Wang

Radar gait recognition is robust to light variations and less infringement on privacy. Previous studies often utilize either spectrograms or cadence velocity diagrams. While the former shows the time-frequency patterns, the latter encodes…

Computer Vision and Pattern Recognition · Computer Science 2021-11-25 Shiliang Chen , Wentao He , Jianfeng Ren , Xudong Jiang

This work presents a purely data-driven, wavelet-based framework for modal identification and reduced-order modeling of mechanical systems with assumed linear dynamics characterized by closely spaced modes with classical or non-classical…

Signal Processing · Electrical Eng. & Systems 2025-10-28 Anargyros Michaloliakos , Benjamin J. Chang , Lawrence A. Bergman , Alexander F. Vakakis

It remains a challenge to efficiently extract spatialtemporal information from skeleton sequences for 3D human action recognition. Although most recent action recognition methods are based on Recurrent Neural Networks which present…

Computer Vision and Pattern Recognition · Computer Science 2017-06-08 Hong Liu , Juanhui Tu , Mengyuan Liu

Recent advancements in computational resources and Deep Learning methodologies has significantly benefited development of intelligent vision-based surveillance applications. Gait recognition in the presence of occlusion is one of the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-20 Somnath Sendhil Kumara , Pratik Chattopadhyaya , Lipo Wang

Gait and movement analysis have become a well-established clinical tool for diagnosing health conditions, monitoring disease progression for a wide spectrum of diseases, and to implement and assess treatment, surgery and or rehabilitation…

Computer Vision and Pattern Recognition · Computer Science 2025-01-06 Hiep Dinh , Son Le , My Than , Minh Ho , Nicolas Vuillerme , Hieu Pham

Deep learning approaches for beat and downbeat tracking have brought advancements. However, these approaches continue to rely on hand-crafted, subsampled spectral features as input, restricting the information available to the model. In…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-05 Christian J. Steinmetz , Joshua D. Reiss

At present, the existing gait recognition systems are focusing on developing methods to extract robust gait feature from silhouette images and they indeed achieved great success. However, gait can be sensitive to appearance features such as…

Computer Vision and Pattern Recognition · Computer Science 2021-12-21 Zhihao Wang , Chaoying Tang

Change detection in remote sensing images is essential for tracking environmental changes on the Earth's surface. Despite the success of vision transformers (ViTs) as backbones in numerous computer vision applications, they remain…

Computer Vision and Pattern Recognition · Computer Science 2024-06-19 Duowang Zhu , Xiaohu Huang , Haiyan Huang , Zhenfeng Shao , Qimin Cheng

Biometrics on mobile devices has attracted a lot of attention in recent years as it is considered a user-friendly authentication method. This interest has also been motivated by the success of Deep Learning (DL). Architectures based on…

Computer Vision and Pattern Recognition · Computer Science 2022-06-06 Paula Delgado-Santos , Ruben Tolosana , Richard Guest , Farzin Deravi , Ruben Vera-Rodriguez

Graph-based reasoning over skeleton data has emerged as a promising approach for human action recognition. However, the application of prior graph-based methods, which predominantly employ whole temporal sequences as their input, to the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Lukas Hedegaard , Negar Heidari , Alexandros Iosifidis

Gait analysis holds significant importance in monitoring daily health, particularly among older adults. Advancements in sensor technology enable the capture of movement in real-life environments and generate big data. Machine learning,…

Machine Learning · Computer Science 2024-11-18 Xiaoping Zheng , Bert Otten , Michiel F Reneman , Claudine JC Lamoth

Proximity detection in indoor environments based on WiFi signals has gained significant attention in recent years. Existing works rely on the dynamic signal reflections and their extracted features are dependent on motion strength. To…

Signal Processing · Electrical Eng. & Systems 2024-05-01 Yuqian Hu , Guozhen Zhu , Beibei Wang , K. J. Ray Liu

Gait analysis provides an objective characterization of locomotor function and is widely used to support diagnosis and rehabilitation monitoring across neurological and orthopedic disorders. Deep learning has been increasingly applied to…

Artificial Intelligence · Computer Science 2026-04-03 Elisa Motta , Marta Lorenzini , Clara Mouawad , Alberto Ranavolo , Mariano Serrao , Arash Ajoudani

In the context of skeleton-based action recognition, graph convolutional networks (GCNs) have been rapidly developed, whereas convolutional neural networks (CNNs) have received less attention. One reason is that CNNs are considered poor in…

Computer Vision and Pattern Recognition · Computer Science 2021-12-10 Kailin Xu , Fanfan Ye , Qiaoyong Zhong , Di Xie

Skeleton sequences are lightweight and compact, and thus are ideal candidates for action recognition on edge devices. Recent skeleton-based action recognition methods extract features from 3D joint coordinates as spatial-temporal cues,…

Computer Vision and Pattern Recognition · Computer Science 2022-08-24 Zhenyue Qin , Yang Liu , Pan Ji , Dongwoo Kim , Lei Wang , Bob McKay , Saeed Anwar , Tom Gedeon

Deep learning-based gait recognition has achieved great success in various applications. The key to accurate gait recognition lies in considering the unique and diverse behavior patterns in different motion regions, especially when…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Binyuan Huang , Yongdong Luo , Xianda Guo , Xiawu Zheng , Zheng Zhu , Jiahui Pan , Chengju Zhou

Frailty is a condition in aging medicine characterized by diminished physiological reserve and increased vulnerability to stressors. However, frailty assessment remains subjective, heterogeneous, and difficult to scale in clinical practice.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Laura McDaniel , Basudha Pal , Crystal Szczesny , Yuxiang Guo , Zhaoyang Wang , Ryan Roemmich , Peter Abadir , Rama Chellappa

The dynamics of human skeletons have significant information for the task of action recognition. The similarity between trajectories of corresponding joints is an indicating feature of the same action, while this similarity may subject to…

Computer Vision and Pattern Recognition · Computer Science 2020-04-22 Qi Li , Hanlin Mo , Jinghan Zhao , Hongxiang Hao , Hua Li

Gait recognition is one of the most promising video-based biometric technologies. The edge of silhouettes and motion are the most informative feature and previous studies have explored them separately and achieved notable results. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-02-22 Yan Sun , Hu Long , Xueling Feng , Mark Nixon