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Related papers: Skeleton Image Representation for 3D Action Recogn…

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Reconstructing 3D human-object interaction (HOI) from single-view RGB images is challenging due to the absence of depth information and potential occlusions. Existing methods simply predict the body poses merely rely on network training on…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Yuhang Chen , Chenxing Wang

Human actions in video sequences are three-dimensional (3D) spatio-temporal signals characterizing both the visual appearance and motion dynamics of the involved humans and objects. Inspired by the success of convolutional neural networks…

Computer Vision and Pattern Recognition · Computer Science 2015-10-05 Lin Sun , Kui Jia , Dit-Yan Yeung , Bertram E. Shi

We consider the problem of finding an accurate representation of neuron shapes, extracting sub-cellular features, and classifying neurons based on neuron shapes. In neuroscience research, the skeleton representation is often used as a…

Computer Vision and Pattern Recognition · Computer Science 2022-12-15 Jiaxiang Jiang , Michael Goebel , Cezar Borba , William Smith , B. S. Manjunath

Several applications such as autonomous driving, augmented reality and virtual reality require a precise prediction of the 3D human pose. Recently, a new problem was introduced in the field to predict the 3D human poses from observed 2D…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Abduallah Mohamed , Huancheng Chen , Zhangyang Wang , Christian Claudel

Skeleton-based action recognition relies on the extraction of spatial-temporal topological information. Hypergraphs can establish prior unnatural dependencies for the skeleton. However, the existing methods only focus on the construction of…

Computer Vision and Pattern Recognition · Computer Science 2023-02-20 Shengqin Wang , Yongji Zhang , Hong Qi , Minghao Zhao , Yu Jiang

Person re-identification (re-ID) via 3D skeleton data is an emerging topic with prominent advantages. Existing methods usually design skeleton descriptors with raw body joints or perform skeleton sequence representation learning. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Haocong Rao , Chunyan Miao

Human Activity Recognition (HAR) is a field of study that focuses on identifying and classifying human activities. Skeleton-based Human Activity Recognition has received much attention in recent years, where Graph Convolutional Network…

Computer Vision and Pattern Recognition · Computer Science 2024-08-01 Jingyao Wang , Emmanuel Bergeret , Issam Falih

In this work, we propose a new solution to 3D human pose estimation in videos. Instead of directly regressing the 3D joint locations, we draw inspiration from the human skeleton anatomy and decompose the task into bone direction prediction…

Computer Vision and Pattern Recognition · Computer Science 2021-01-27 Tianlang Chen , Chen Fang , Xiaohui Shen , Yiheng Zhu , Zhili Chen , Jiebo Luo

In this paper, we study the problem of one-shot skeleton-based action recognition, which poses unique challenges in learning transferable representation from base classes to novel classes, particularly for fine-grained actions. Existing…

Computer Vision and Pattern Recognition · Computer Science 2022-08-22 Tailin Chen , Desen Zhou , Jian Wang , Shidong Wang , Qian He , Chuanyang Hu , Errui Ding , Yu Guan , Xuming He

3D Human Motion Indexing and Retrieval is an interesting problem due to the rise of several data-driven applications aimed at analyzing and/or re-utilizing 3D human skeletal data, such as data-driven animation, analysis of sports…

Computer Vision and Pattern Recognition · Computer Science 2019-12-11 Neeraj Battan , Abbhinav Venkat , Avinash Sharma

Typical human actions last several seconds and exhibit characteristic spatio-temporal structure. Recent methods attempt to capture this structure and learn action representations with convolutional neural networks. Such representations,…

Computer Vision and Pattern Recognition · Computer Science 2017-06-05 Gül Varol , Ivan Laptev , Cordelia Schmid

Skeleton-based action recognition has attracted considerable attention in computer vision since skeleton data is more robust to the dynamic circumstance and complicated background than other modalities. Recently, many researchers have used…

Computer Vision and Pattern Recognition · Computer Science 2020-03-18 Hao Yang , Dan Yan , Li Zhang , Dong Li , YunDa Sun , ShaoDi You , Stephen J. Maybank

Spatiotemporal human representation based on 3D visual perception data is a rapidly growing research area. Based on the information sources, these representations can be broadly categorized into two groups based on RGB-D information or 3D…

Computer Vision and Pattern Recognition · Computer Science 2017-02-07 Fei Han , Brian Reily , William Hoff , Hao Zhang

Human pose and shape are two important components of 2D human body. However, how to efficiently represent both of them in images is still an open question. In this paper, we propose the Triplet Representation for Body (TRB) -- a compact 2D…

Computer Vision and Pattern Recognition · Computer Science 2019-10-28 Haodong Duan , KwanYee Lin , Sheng Jin , Wentao Liu , Chen Qian , Wanli Ouyang

Human action recognition remains an important yet challenging task. This work proposes a novel action recognition system. It uses a novel Multiple View Region Adaptive Multi-resolution in time Depth Motion Map (MV-RAMDMM) formulation…

Computer Vision and Pattern Recognition · Computer Science 2019-04-15 Mahmoud Al-Faris , John P. Chiverton , Yanyan Yang , David L. Ndzi

Contrastive learning has gained significant attention in skeleton-based action recognition for its ability to learn robust representations from unlabeled data. However, existing methods rely on a single skeleton convention, which limits…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Mert Kiray , Alvaro Ritter , Nassir Navab , Benjamin Busam

There has been huge progress on video action recognition in recent years. However, many works focus on tweaking existing 2D backbones due to the reliance of ImageNet pretraining, which restrains the models from achieving higher efficiency…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Zhe Wang , Xulei Yang

Many modern video-based human action recognition (HAR) approaches use 2D skeleton as the intermediate representation in their prediction pipelines. Despite overall encouraging results, these approaches still struggle in many common scenes,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Zhuoxuan Peng , Yiyi Ding , Yang Lin , S. -H. Gary Chan

The emergence of RGB-D sensors offered new possibilities for addressing complex artificial vision problems efficiently. Human posture recognition is among these computer vision problems, with a wide range of applications such as ambient…

Computer Vision and Pattern Recognition · Computer Science 2018-10-16 Mohamed El Amine Elforaici , Ismail Chaaraoui , Wassim Bouachir , Youssef Ouakrim , Neila Mezghani

3D Skeleton-based human action recognition has attracted increasing attention in recent years. Most of the existing work focuses on supervised learning which requires a large number of labeled action sequences that are often expensive and…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Siyuan Yang , Jun Liu , Shijian Lu , Er Meng Hwa , Yongjian Hu , Alex C. Kot