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Related papers: Unsupervised Gait Recognition with Selective Fusio…

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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 recognition is a promising biometric method that aims to identify pedestrians from their unique walking patterns. Silhouette modality, renowned for its easy acquisition, simple structure, sparse representation, and convenient modeling,…

Computer Vision and Pattern Recognition · Computer Science 2024-01-25 Zengbin Wang , Saihui Hou , Man Zhang , Xu Liu , Chunshui Cao , Yongzhen Huang , Peipei Li , Shibiao Xu

To alleviate the cost of collecting and annotating large-scale point cloud datasets, we propose an unsupervised learning approach to learn features from unlabeled point cloud "3D object" dataset by using part contrasting and object…

Computer Vision and Pattern Recognition · Computer Science 2019-08-14 Ling Zhang , Zhigang Zhu

Gait recognition is a promising biometric with unique properties for identifying individuals from a long distance by their walking patterns. In recent years, most gait recognition methods used the person's silhouette to extract the gait…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Torben Teepe , Johannes Gilg , Fabian Herzog , Stefan Hörmann , Gerhard Rigoll

Gait recognition is emerging as a promising and innovative area within the field of computer vision, widely applied to remote person identification. Although existing gait recognition methods have achieved substantial success in controlled…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Zhengxian Wu , Chuanrui Zhang , Hangrui Xu , Peng Jiao , Haoqian Wang

Unsupervised person re-identification (Re-ID) attracts increasing attention due to its potential to resolve the scalability problem of supervised Re-ID models. Most existing unsupervised methods adopt an iterative clustering mechanism,…

Computer Vision and Pattern Recognition · Computer Science 2021-12-09 Lianjie Jia , Chenyang Yu , Xiehao Ye , Tianyu Yan , Yinjie Lei , Pingping Zhang

3D Gaussian Splatting (3DGS) and Neural Radiance Fields (NeRF) have advanced novel-view synthesis. Recent methods extend multi-view 2D segmentation to 3D, enabling instance/semantic segmentation for better scene understanding. A key…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Ankit Dhiman , Srinath R , Jaswanth Reddy , Lokesh R Boregowda , Venkatesh Babu Radhakrishnan

Unconstrained video-based face recognition is a challenging problem due to significant within-video variations caused by pose, occlusion and blur. To tackle this problem, an effective idea is to propagate the identity from high-quality…

Computer Vision and Pattern Recognition · Computer Science 2019-08-23 Jingxiao Zheng , Ruichi Yu , Jun-Cheng Chen , Boyu Lu , Carlos D. Castillo , Rama Chellappa

Graph convolutional networks have been widely applied in skeleton-based gait recognition. A key challenge in this task is to distinguish the individual walking styles of different subjects across various views. Existing state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Xiaohu Huang , Xinggang Wang , Zhidianqiu Jin , Bo Yang , Botao He , Bin Feng , Wenyu Liu

Gait recognition is an important biometric for human identification at a distance, particularly under low-resolution or unconstrained environments. Current works typically focus on either 2D representations (e.g., silhouettes and skeletons)…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Zhao-Yang Wang , Zhimin Shao , Anirudh Nanduri , Basudha Pal , Laura McDaniel , Jieneng Chen , Rama Chellappa

Scene Graph Generation (SGG) unifies object localization and visual relationship reasoning by predicting boxes and subject-predicate-object triples. Yet most pipelines treat SGG as a one-shot, deterministic classification problem rather…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Xin Hu , Ke Qin , Wen Yin , Yuan-Fang Li , Ming Li , Tao He

Unsupervised person re-identification (Re-ID) aims to match pedestrian images from different camera views in unsupervised setting. Existing methods for unsupervised person Re-ID are usually built upon the pseudo labels from clustering.…

Computer Vision and Pattern Recognition · Computer Science 2022-06-08 Mingkun Li , Chun-Guang Li , Jun Guo

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

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Ziyuan Zhang , Luan Tran , Feng Liu , Xiaoming Liu

Unsupervised person re-identification (re-ID) has attracted increasing research interests because of its scalability and possibility for real-world applications. State-of-the-art unsupervised re-ID methods usually follow a clustering-based…

Computer Vision and Pattern Recognition · Computer Science 2022-07-08 Tianyang Liu , Yutian Lin , Bo Du

Clustering has long been a popular unsupervised learning approach to identify groups of similar objects and discover patterns from unlabeled data in many applications. Yet, coming up with meaningful interpretations of the estimated clusters…

Methodology · Statistics 2020-05-26 Minjie Wang , Tianyi Yao , Genevera I. Allen

Instance features in images exhibit spurious correlations with background features, affecting the training process of deep neural classifiers. This leads to insufficient attention to instance features by the classifier, resulting in…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Xuewei Li , Zhenzhen Nie , Mei Yu , Zijian Zhang , Jie Gao , Tianyi Xu , Zhiqiang Liu

Gait recognition is a biometric technology that identifies individuals by using walking patterns. Due to the significant achievements of multimodal fusion in gait recognition, we consider employing LiDAR-camera fusion to obtain robust gait…

Computer Vision and Pattern Recognition · Computer Science 2024-06-19 Yunze Deng , Haijun Xiong , Bin Feng

In recent years, graph convolutional networks (GCNs) play an increasingly critical role in skeleton-based human action recognition. However, most GCN-based methods still have two main limitations: 1) They only consider the motion…

Computer Vision and Pattern Recognition · Computer Science 2022-02-10 Zhigang Tu , Jiaxu Zhang , Hongyan Li , Yujin Chen , Junsong Yuan

The gait, as a kind of soft biometric characteristic, can reflect the distinct walking patterns of individuals at a distance, exhibiting a promising technique for unrestrained human identification. With largely excluding gait-unrelated cues…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Dongyang Jin , Chao Fan , Weihua Chen , Shiqi Yu

Kernel-based methods such as Rocket are among the most effective default approaches for univariate time series classification (TSC), yet they do not perform equally well across all datasets. We revisit the long-standing intuition that…

Machine Learning · Computer Science 2026-01-13 Honey Singh Chauhan , Zahraa S. Abdallah