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Understanding human actions is a crucial problem for service robots. However, the general trend in Action Recognition is developing and testing these systems on structured datasets. That's why this work presents a practical Skeleton-based…

Robotics · Computer Science 2019-05-15 Cagatay Odabasi , Jewel Jose

Dynamic skeletal data, represented as the 2D/3D coordinates of human joints, has been widely studied for human action recognition due to its high-level semantic information and environmental robustness. However, previous methods heavily…

Computer Vision and Pattern Recognition · Computer Science 2020-07-08 Lei Shi , Yifan Zhang , Jian Cheng , Hanqing Lu

Skeleton-based human action recognition has recently attracted increasing attention thanks to the accessibility and the popularity of 3D skeleton data. One of the key challenges in skeleton-based action recognition lies in the large view…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Pengfei Zhang , Cuiling Lan , Junliang Xing , Wenjun Zeng , Jianru Xue , Nanning Zheng

Skeleton data, which consists of only the 2D/3D coordinates of the human joints, has been widely studied for human action recognition. Existing methods take the semantics as prior knowledge to group human joints and draw correlations…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Lei Shi , Yifan Zhang , Jian Cheng , Hanqing Lu

Skeleton data carries valuable motion information and is widely explored in human action recognition. However, not only the motion information but also the interaction with the environment provides discriminative cues to recognize the…

Computer Vision and Pattern Recognition · Computer Science 2022-05-11 Liang Xu , Cuiling Lan , Wenjun Zeng , Cewu Lu

Deep learning techniques are being used in skeleton based action recognition tasks and outstanding performance has been reported. Compared with RNN based methods which tend to overemphasize temporal information, CNN-based approaches can…

Computer Vision and Pattern Recognition · Computer Science 2017-05-03 Zewei Ding , Pichao Wang , Philip O. Ogunbona , Wanqing Li

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 gesture recognition has assumed a capital role in industrial applications, such as Human-Machine Interaction. We propose an approach for segmentation and classification of dynamic gestures based on a set of handcrafted features, which…

Computer Vision and Pattern Recognition · Computer Science 2020-08-27 André Brás , Miguel Simão , Pedro Neto

Skeleton-based human action recognition is a longstanding challenge due to its complex dynamics. Some fine-grain details of the dynamics play a vital role in classification. The existing work largely focuses on designing incremental neural…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Ruijie Hou , Yanran Li , Ningyu Zhang , Yulin Zhou , Xiaosong Yang , Zhao Wang

Video-based human action recognition is currently one of the most active research areas in computer vision. Various research studies indicate that the performance of action recognition is highly dependent on the type of features being…

Computer Vision and Pattern Recognition · Computer Science 2019-10-02 Lei Wang , Du Q. Huynh , Piotr Koniusz

Recognizing human actions in untrimmed videos is an important challenging task. An effective 3D motion representation and a powerful learning model are two key factors influencing recognition performance. In this paper we introduce a new…

Computer Vision and Pattern Recognition · Computer Science 2018-12-31 Huy-Hieu Pham , Louahdi Khoudour , Alain Crouzil , Pablo Zegers , Sergio A. Velastin

Human action recognition from well-segmented 3D skeleton data has been intensively studied and has been attracting an increasing attention. Online action detection goes one step further and is more challenging, which identifies the action…

Computer Vision and Pattern Recognition · Computer Science 2016-07-27 Yanghao Li , Cuiling Lan , Junliang Xing , Wenjun Zeng , Chunfeng Yuan , Jiaying Liu

Traditional approaches in unsupervised or self supervised learning for skeleton-based action classification have concentrated predominantly on the dynamic aspects of skeletal sequences. Yet, the intricate interaction between the moving and…

Computer Vision and Pattern Recognition · Computer Science 2025-05-30 Shanaka Ramesh Gunasekara , Wanqing Li , Philip Ogunbona , Jack Yang

We propose a novel system for unsupervised skeleton-based action recognition. Given inputs of body keypoints sequences obtained during various movements, our system associates the sequences with actions. Our system is based on an…

Computer Vision and Pattern Recognition · Computer Science 2019-12-02 Kun Su , Xiulong Liu , Eli Shlizerman

Skeleton based action recognition distinguishes human actions using the trajectories of skeleton joints, which provide a very good representation for describing actions. Considering that recurrent neural networks (RNNs) with Long Short-Term…

Computer Vision and Pattern Recognition · Computer Science 2016-03-28 Wentao Zhu , Cuiling Lan , Junliang Xing , Wenjun Zeng , Yanghao Li , Li Shen , Xiaohui Xie

Skeleton-based human action recognition has achieved a great interest in recent years, as skeleton data has been demonstrated to be robust to illumination changes, body scales, dynamic camera views, and complex background. Nevertheless, an…

Computer Vision and Pattern Recognition · Computer Science 2021-06-24 Chiara Plizzari , Marco Cannici , Matteo Matteucci

Recently, there has been a remarkable increase in the interest towards skeleton-based action recognition within the research community, owing to its various advantageous features, including computational efficiency, representative features,…

Computer Vision and Pattern Recognition · Computer Science 2023-02-01 Ayman Ali , Ekkasit Pinyoanuntapong , Pu Wang , Mohsen Dorodchi

Skeleton data is of low dimension. However, there is a trend of using very deep and complicated feedforward neural networks to model the skeleton sequence without considering the complexity in recent year. In this paper, a simple yet…

Computer Vision and Pattern Recognition · Computer Science 2021-11-09 Pengfei Zhang , Cuiling Lan , Wenjun Zeng , Junliang Xing , Jianru Xue , Nanning Zheng

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

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