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Graph convolutional networks (GCNs) have been widely used and achieved remarkable results in skeleton-based action recognition. In GCNs, graph topology dominates feature aggregation and therefore is the key to extracting representative…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Yuxin Chen , Ziqi Zhang , Chunfeng Yuan , Bing Li , Ying Deng , Weiming Hu

Gait recognition is a promising video-based biometric for identifying individual walking patterns from a long distance. At present, most gait recognition methods use silhouette images to represent a person in each frame. However, silhouette…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 Torben Teepe , Ali Khan , Johannes Gilg , Fabian Herzog , Stefan Hörmann , Gerhard Rigoll

Skeleton extraction is a task focused on providing a simple representation of an object by extracting the skeleton from the given binary or RGB image. In recent years many attractive works in skeleton extraction have been made. But as far…

Computer Vision and Pattern Recognition · Computer Science 2022-05-25 Zixuan Huang , Yunfeng Wang , Zhiwen Chen , Xin Gao , Ruili Feng , Xiaobo Li

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

Skeletonization is a popular shape analysis technique that models an object's interior as opposed to just its boundary. Fitting template-based skeletal models is a time-consuming process requiring much manual parameter tuning. Recently,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Nicolás Gaggion , Enzo Ferrante , Beatriz Paniagua , Jared Vicory

Dynamics of human body skeletons convey significant information for human action recognition. Conventional approaches for modeling skeletons usually rely on hand-crafted parts or traversal rules, thus resulting in limited expressive power…

Computer Vision and Pattern Recognition · Computer Science 2018-01-26 Sijie Yan , Yuanjun Xiong , Dahua Lin

Human action recognition from skeleton data, fueled by the Graph Convolutional Network (GCN), has attracted lots of attention, due to its powerful capability of modeling non-Euclidean structure data. However, many existing GCN methods…

Computer Vision and Pattern Recognition · Computer Science 2019-11-12 Wei Peng , Xiaopeng Hong , Haoyu Chen , Guoying Zhao

Skeleton-based human action recognition has attracted much attention with the prevalence of accessible depth sensors. Recently, graph convolutional networks (GCNs) have been widely used for this task due to their powerful capability to…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Zhen Huang , Xu Shen , Xinmei Tian , Houqiang Li , Jianqiang Huang , Xian-Sheng Hua

Graph convolutional networks (GCNs) aim at extending deep learning to arbitrary irregular domains, namely graphs. Their success is highly dependent on how the topology of input graphs is defined and most of the existing GCN architectures…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Hichem Sahbi

This paper focuses on the challenging task of learning 3D object surface reconstructions from RGB images. Existingmethods achieve varying degrees of success by using different surface representations. However, they all have their own…

Computer Vision and Pattern Recognition · Computer Science 2021-06-11 Jiapeng Tang , Xiaoguang Han , Mingkui Tan , Xin Tong , Kui Jia

Generating realistic and structurally plausible human images into existing scenes remains a significant challenge for current generative models, which often produce artifacts like distorted limbs and unnatural poses. We attribute this…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Chuqiao Wu , Jin Song , Yiyun Fei

Machine learning-based segmentation in medical imaging is widely used in clinical applications from diagnostics to radiotherapy treatment planning. Segmented medical images with ground truth are useful for investigating the properties of…

Image and Video Processing · Electrical Eng. & Systems 2023-01-02 Shuyue Guan , Ravi K. Samala , Weijie Chen

Graph convolutional networks (GCNs) can effectively capture the features of related nodes and improve the performance of the model. More attention is paid to employing GCN in Skeleton-Based action recognition. But existing methods based on…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Tingwei Li , Ruiwen Zhang , Qing Li

Curve skeleton extraction from unorganized point cloud is a fundamental task of computer vision and three-dimensional data preprocessing and visualization. A great amount of work has been done to extract skeleton from point cloud. but the…

Computer Vision and Pattern Recognition · Computer Science 2020-01-10 Yan Lin , Ji Liu , Jianlin Zhou

Gait recognition is a rapidly advancing vision technique for person identification from a distance. Prior studies predominantly employed relatively shallow networks to extract subtle gait features, achieving impressive successes in…

Computer Vision and Pattern Recognition · Computer Science 2024-01-11 Chao Fan , Saihui Hou , Yongzhen Huang , Shiqi Yu

We present a method for exploiting weakly annotated images to improve text extraction pipelines. The approach uses an arbitrary end-to-end text recognition system to obtain text region proposals and their, possibly erroneous,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-20 Klára Janoušková , Jiri Matas , Lluis Gomez , Dimosthenis Karatzas

The increasing pace of population aging calls for better care and support systems. Falling is a frequent and critical problem for elderly people causing serious long-term health issues. Fall detection from video streams is not an attractive…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Sania Zahan , Ghulam Mubashar Hassan , Ajmal Mian

Variations of human body skeletons may be considered as dynamic graphs, which are generic data representation for numerous real-world applications. In this paper, we propose a spatio-temporal graph convolution (STGC) approach for assembling…

Computer Vision and Pattern Recognition · Computer Science 2018-02-28 Chaolong Li , Zhen Cui , Wenming Zheng , Chunyan Xu , Jian Yang

Given a ground-level query image and a geo-referenced aerial image that covers the query's local surroundings, fine-grained cross-view localization aims to estimate the location of the ground camera inside the aerial image. Recent works…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Zimin Xia , Yujiao Shi , Hongdong Li , Julian F. P. Kooij

Gait recognition (GR) is a growing biometric modality used for person identification from a distance through visual cameras. GR provides a secure and reliable alternative to fingerprint and face recognition, as it is harder to distinguish…

Computer Vision and Pattern Recognition · Computer Science 2023-09-20 Muhammad Imran Sharif , Mehwish Mehmood , Muhammad Irfan Sharif , Md Palash Uddin