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Gait recognition has achieved promising advances in controlled settings, yet it significantly struggles in unconstrained environments due to challenges such as view changes, occlusions, and varying walking speeds. Additionally, efforts to…

Computer Vision and Pattern Recognition · Computer Science 2024-05-02 Lei Wang , Bo Liu , Yinchi Ma , Fangfang Liang , Nawei Guo

Diffusion models have emerged as powerful generative models for graph generation, yet their use for conditional graph generation remains a fundamental challenge. In particular, guiding diffusion models on graphs under arbitrary reward…

Machine Learning · Computer Science 2025-05-27 Victor M. Tenorio , Nicolas Zilberstein , Santiago Segarra , Antonio G. Marques

Path planning for a robotic system in high-dimensional cluttered environments needs to be efficient, safe, and adaptable for different environments and hardware. Conventional methods face high computation time and require extensive…

While diffusion models excel at image synthesis, useful representations have been shown to emerge from generative pre-training, suggesting a path towards unified generative and discriminative learning. However, suboptimal semantic flow…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Weilai Xiang , Hongyu Yang , Di Huang , Yunhong Wang

Video-based Visible-Infrared person re-identification (VVI-ReID) aims to retrieve the same pedestrian across visible and infrared modalities from video sequences. Existing methods tend to exploit modality-invariant visual features but…

Computer Vision and Pattern Recognition · Computer Science 2025-11-07 Yujie Yang , Shuang Li , Jun Ye , Neng Dong , Fan Li , Huafeng Li

Person re-identification (Re-ID) via gait features within 3D skeleton sequences is a newly-emerging topic with several advantages. Existing solutions either rely on hand-crafted descriptors or supervised gait representation learning. This…

Computer Vision and Pattern Recognition · Computer Science 2021-07-06 Haocong Rao , Siqi Wang , Xiping Hu , Mingkui Tan , Yi Guo , Jun Cheng , Xinwang Liu , Bin Hu

Recent advances in recording technology have allowed neuroscientists to monitor activity from thousands of neurons simultaneously. Latent variable models are increasingly valuable for distilling these recordings into compact and…

Compared to other biometrics, gait is difficult to conceal and has the advantage of being unobtrusive. Inertial sensors, such as accelerometers and gyroscopes, are often used to capture gait dynamics. These inertial sensors are commonly…

Machine Learning · Computer Science 2020-04-30 Qin Zou , Yanling Wang , Qian Wang , Yi Zhao , Qingquan Li

Gait recognition is a rapidly progressing technique for the remote identification of individuals. Prior research predominantly employing 2D sensors to gather gait data has achieved notable advancements; nonetheless, they have unavoidably…

Computer Vision and Pattern Recognition · Computer Science 2024-09-19 Yanxi Wang , Zhigang Chang , Chen Wu , Zihao Cheng , Hongmin Gao

Existing domain generalization (DG) methods for cross-person generalization tasks often face challenges in capturing intra- and inter-domain style diversity, resulting in domain gaps with the target domain. In this study, we explore a novel…

Machine Learning · Computer Science 2024-07-02 Junru Zhang , Lang Feng , Zhidan Liu , Yuhan Wu , Yang He , Yabo Dong , Duanqing Xu

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

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

Gait analysis leverages unique walking patterns for person identification and assessment across multiple domains. Among the methods used for gait analysis, skeleton-based approaches have shown promise due to their robust and interpretable…

Computer Vision and Pattern Recognition · Computer Science 2023-10-06 Adrian Cosma , Emilian Radoi

Binary silhouettes and keypoint-based skeletons have dominated human gait recognition studies for decades since they are easy to extract from video frames. Despite their success in gait recognition for in-the-lab environments, they usually…

Computer Vision and Pattern Recognition · Computer Science 2023-09-01 Jinkai Zheng , Xinchen Liu , Shuai Wang , Lihao Wang , Chenggang Yan , Wu Liu

Creating large-scale datasets for training high-performance generative models is often prohibitively expensive, especially when associated attributes or annotations must be provided. As a result, merging existing datasets has become a…

Machine Learning · Statistics 2026-03-31 Yanfeng Yang , Kenji Fukumizu

Gait data captured by inertial sensors have demonstrated promising results on user authentication. However, most existing approaches stored the enrolled gait pattern insecurely for matching with the validating pattern, thus, posed critical…

Computer Vision and Pattern Recognition · Computer Science 2021-08-06 Lam Tran , Thuc Nguyen , Hyunil Kim , Deokjai Choi

One common belief is that with complex models and pre-training on large-scale datasets, transformer-based methods for referring expression comprehension (REC) perform much better than existing graph-based methods. We observe that since most…

Computer Vision and Pattern Recognition · Computer Science 2024-09-06 Jingcheng Ke , Dele Wang , Jun-Cheng Chen , I-Hong Jhuo , Chia-Wen Lin , Yen-Yu Lin

Gait recognition is widely used in diversified practical applications. Currently, the most prevalent approach is to recognize human gait from RGB images, owing to the progress of computer vision technologies. Nevertheless, the perception…

Computer Vision and Pattern Recognition · Computer Science 2022-11-02 Yanyan Huang , Yong Wang , Kun Shi , Chaojie Gu , Yu Fu , Cheng Zhuo , Zhiguo Shi

Recent advances in pattern matching, such as speech or object recognition support the viability of feature learning with deep learning solutions for gait recognition. Past papers have evaluated deep neural networks trained in a supervised…

Computer Vision and Pattern Recognition · Computer Science 2020-08-03 Szilárd Nemes , Margit Antal

Gait is a key indicator in diagnosing movement disorders, but most models lack interpretability and rely on single datasets. We propose a dual-branch CNN-LSTM framework a 1D branch on joint-based features from GAVD and a 3D branch on…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Parth Agarwal , Sangaa Chatterjee , Md Faisal Kabir , Suman Saha