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In skeleton-based action recognition, graph convolutional networks (GCNs), which model human body skeletons using graphical components such as nodes and connections, have achieved remarkable performance recently. However, current…

Computer Vision and Pattern Recognition · Computer Science 2020-03-18 Jongmin Yu , Yongsang Yoon , Moongu Jeon

Action recognition from well-segmented 3D skeleton video has been intensively studied. However, due to the difficulty in representing the 3D skeleton video and the lack of training data, action detection from streaming 3D skeleton video…

Computer Vision and Pattern Recognition · Computer Science 2017-04-20 Bo Li , Huahui Chen , Yucheng Chen , Yuchao Dai , Mingyi He

3D skeleton-based action recognition (3D SAR) has gained significant attention within the computer vision community, owing to the inherent advantages offered by skeleton data. As a result, a plethora of impressive works, including those…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Bin Ren , Mengyuan Liu , Runwei Ding , Hong Liu

This paper presents an image classification based approach for skeleton-based video action recognition problem. Firstly, A dataset independent translation-scale invariant image mapping method is proposed, which transformes the skeleton…

Computer Vision and Pattern Recognition · Computer Science 2017-06-14 Bo Li , Mingyi He , Xuelian Cheng , Yucheng Chen , Yuchao Dai

Automatic human action recognition is indispensable for almost artificial intelligent systems such as video surveillance, human-computer interfaces, video retrieval, etc. Despite a lot of progress, recognizing actions in an unknown video is…

Computer Vision and Pattern Recognition · Computer Science 2018-03-22 Huy-Hieu Pham , Louahdi Khoudour , Alain Crouzil , Pablo Zegers , Sergio A. Velastin

Human actions recognition is a fundamental task in artificial vision, that has earned a great importance in recent years due to its multiple applications in different areas. %, such as the study of human behavior, security or video…

Skeleton-based action recognition has recently attracted a lot of attention. Researchers are coming up with new approaches for extracting spatio-temporal relations and making considerable progress on large-scale skeleton-based datasets.…

Computer Vision and Pattern Recognition · Computer Science 2019-12-19 Sangwoo Cho , Muhammad Hasan Maqbool , Fei Liu , Hassan Foroosh

In this paper, we propose an end-to-end 3D CNN for action detection and segmentation in videos. The proposed architecture is a unified deep network that is able to recognize and localize action based on 3D convolution features. A video is…

Computer Vision and Pattern Recognition · Computer Science 2017-12-05 Rui Hou , Chen Chen , Mubarak Shah

Motivation: Recognizing human actions in a video is a challenging task which has applications in various fields. Previous works in this area have either used images from a 2D or 3D camera. Few have used the idea that human actions can be…

Computer Vision and Pattern Recognition · Computer Science 2016-12-21 Adhavan Jayabalan , Harish Karunakaran , Shravan Murlidharan , Tesia Shizume

Due to the availability of large-scale skeleton datasets, 3D human action recognition has recently called the attention of computer vision community. Many works have focused on encoding skeleton data as skeleton image representations based…

Computer Vision and Pattern Recognition · Computer Science 2019-07-31 Carlos Caetano , Jessica Sena , François Brémond , Jefersson A. dos Santos , William Robson Schwartz

In skeleton-based action recognition, Graph Convolutional Networks model human skeletal joints as vertices and connect them through an adjacency matrix, which can be seen as a local attention mask. However, in most existing Graph…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Hao Xing , Darius Burschka

Recently skeleton-based action recognition has made signif-icant progresses in the computer vision community. Most state-of-the-art algorithms are based on Graph Convolutional Networks (GCN), andtarget at improving the network structure of…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Zeshi Yang , Kangkang Yin

Deep learning is ubiquitous across many areas areas of computer vision. It often requires large scale datasets for training before being fine-tuned on small-to-medium scale problems. Activity, or, in other words, action recognition, is one…

Computer Vision and Pattern Recognition · Computer Science 2018-06-26 Yusuf Tas , Piotr Koniusz

In recent years, a number of approaches based on 2D or 3D convolutional neural networks (CNN) have emerged for video action recognition, achieving state-of-the-art results on several large-scale benchmark datasets. In this paper, we carry…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Chun-Fu Chen , Rameswar Panda , Kandan Ramakrishnan , Rogerio Feris , John Cohn , Aude Oliva , Quanfu Fan

Most of human actions consist of complex temporal compositions of more simple actions. Action recognition tasks usually relies on complex handcrafted structures as features to represent the human action model. Convolutional Neural Nets…

Computer Vision and Pattern Recognition · Computer Science 2015-12-15 Mahdyar Ravanbakhsh , Hossein Mousavi , Mohammad Rastegari , Vittorio Murino , Larry S. Davis

We propose a novel skeleton-based representation for 3D action recognition in videos using Deep Convolutional Neural Networks (D-CNNs). Two key issues have been addressed: First, how to construct a robust representation that easily captures…

Computer Vision and Pattern Recognition · Computer Science 2018-07-19 Huy Hieu Pham , Louahdi Khoudour , Alain Crouzil , Pablo Zegers , Sergio A. Velastin

Among the existing modalities for 3D action recognition, 3D flow has been poorly examined, although conveying rich motion information cues for human actions. Presumably, its susceptibility to noise renders it intractable, thus challenging…

Computer Vision and Pattern Recognition · Computer Science 2023-06-26 Vasileios Magoulianitis , Athanasios Psaltis

The task of skeleton-based action recognition remains a core challenge in human-centred scene understanding due to the multiple granularities and large variation in human motion. Existing approaches typically employ a single neural…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Tailin Chen , Desen Zhou , Jian Wang , Shidong Wang , Yu Guan , Xuming He , Errui Ding

We present a new deep learning approach for real-time 3D human action recognition from skeletal data and apply it to develop a vision-based intelligent surveillance system. Given a skeleton sequence, we propose to encode skeleton poses and…

Computer Vision and Pattern Recognition · Computer Science 2022-08-11 Huy Hieu Pham , Houssam Salmane , Louahdi Khoudour , Alain Crouzil , Pablo Zegers , Sergio A Velastin

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