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Current state-of-the-art approaches to skeleton-based action recognition are mostly based on recurrent neural networks (RNN). In this paper, we propose a novel convolutional neural networks (CNN) based framework for both action…

Computer Vision and Pattern Recognition · Computer Science 2017-05-03 Chao Li , Qiaoyong Zhong , Di Xie , Shiliang Pu

Fall detection is a serious healthcare issue that needs to be solved. Falling without quick medical intervention would lower the chances of survival for the elderly, especially if living alone. Hence, the need is there for developing fall…

Networking and Internet Architecture · Computer Science 2021-05-21 Ayman Al-Kababji , Abbes Amira , Faycal Bensaali , Abdulah Jarouf , Lisan Shidqi , Hamza Djelouat

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

Human skeleton information is important in skeleton-based action recognition, which provides a simple and efficient way to describe human pose. However, existing skeleton-based methods focus more on the skeleton, ignoring the objects…

Computer Vision and Pattern Recognition · Computer Science 2025-01-10 Hao Wen , Ziqian Lu , Fengli Shen , Zhe-Ming Lu , Jialin Cui

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

In spite of the great progress in human motion prediction, it is still a challenging task to predict those aperiodic and complicated motions. We believe that to capture the correlations among human body components is the key to understand…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Honghong Zhou , Caili Guo , Hao Zhang , Yanjun Wang

Graph convolutional networks have been widely used for skeleton-based action recognition due to their excellent modeling ability of non-Euclidean data. As the graph convolution is a local operation, it can only utilize the short-range joint…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Zhan Chen , Sicheng Li , Bing Yang , Qinghan Li , Hong Liu

Existing pre-impact fall detection systems have high accuracy, however they are either intrusive to the subject or require heavy computational resources for fall detection, resulting in prohibitive deployment costs. These factors limit the…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Praveen Jesudhas , Raghuveera T , Shiney Jeyaraj

Human falls rarely occur; however, detecting falls is very important from the health and safety perspective. Due to the rarity of falls, it is difficult to employ supervised classification techniques to detect them. Moreover, in these…

Computer Vision and Pattern Recognition · Computer Science 2020-04-29 Jacob Nogas , Shehroz S. Khan , Alex Mihailidis

We present a method for human pose tracking that is based on learning spatiotemporal relationships among joints. Beyond generating the heatmap of a joint in a given frame, our system also learns to predict the offset of the joint from a…

Computer Vision and Pattern Recognition · Computer Science 2019-03-28 Xiao Sun , Chuankang Li , Stephen Lin

Sometimes a simple and fast algorithm is required to detect human presence and movement with a low error rate in a controlled environment for security purposes. Here a light weight algorithm has been presented that generates alert on…

Computer Vision and Pattern Recognition · Computer Science 2015-07-01 Merina Kundu , Dhriti Sengupta , Jayati Ghosh Dastidar

Falls are one of the leading cause of injury-related deaths among the elderly worldwide. Effective detection of falls can reduce the risk of complications and injuries. Fall detection can be performed using wearable devices or ambient…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Stefan Denkovski , Shehroz S. Khan , Brandon Malamis , Sae Young Moon , Bing Ye , Alex Mihailidis

Deep ConvNets have been shown to be effective for the task of human pose estimation from single images. However, several challenging issues arise in the video-based case such as self-occlusion, motion blur, and uncommon poses with few or no…

Computer Vision and Pattern Recognition · Computer Science 2017-04-03 Jie Song , Limin Wang , Luc Van Gool , Otmar Hilliges

We present a novel architecture for person identification based on typing-style, constructed of adaptive non-local spatio-temporal graph convolutional network. Since type style dynamics convey meaningful information that can be useful for…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Lior Gelberg , David Mendlovic , Dan Raviv

The existing methods for video anomaly detection mostly utilize videos containing identifiable facial and appearance-based features. The use of videos with identifiable faces raises privacy concerns, especially when used in a hospital or…

Computer Vision and Pattern Recognition · Computer Science 2024-01-19 Pratik K. Mishra , Alex Mihailidis , Shehroz S. Khan

3D human pose estimation is a difficult task, due to challenges such as occluded body parts and ambiguous poses. Graph convolutional networks encode the structural information of the human skeleton in the form of an adjacency matrix, which…

Computer Vision and Pattern Recognition · Computer Science 2022-12-14 Soubarna Banik , Alejandro Mendoza Gracia , Alois Knoll

In the last years, the computer vision research community has studied on how to model temporal dynamics in videos to employ 3D human action recognition. To that end, two main baseline approaches have been researched: (i) Recurrent Neural…

Computer Vision and Pattern Recognition · Computer Science 2019-09-13 Carlos Caetano , François Brémond , William Robson Schwartz

Graph convolutional networks have significantly improved 3D human pose estimation by representing the human skeleton as an undirected graph. However, this representation fails to reflect the articulated characteristic of human skeletons as…

Computer Vision and Pattern Recognition · Computer Science 2021-08-05 Wenbo Hu , Changgong Zhang , Fangneng Zhan , Lei Zhang , Tien-Tsin Wong

This work explores the performance of a large video understanding foundation model on the downstream task of human fall detection on untrimmed video and leverages a pretrained vision transformer for multi-class action detection, with…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Till Grutschus , Ola Karrar , Emir Esenov , Ekta Vats

The primary goal of skeletal motion prediction is to generate future motion by observing a sequence of 3D skeletons. A key challenge in motion prediction is the fact that a motion can often be performed in several different ways, with each…

Computer Vision and Pattern Recognition · Computer Science 2020-02-18 Junfeng Hu , Zhencheng Fan , Jun Liao , Li Liu