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Human Activity Recognition (HAR) using on-body devices identifies specific human actions in unconstrained environments. HAR is challenging due to the inter and intra-variance of human movements; moreover, annotated datasets from on-body…

Computer Vision and Pattern Recognition · Computer Science 2022-12-05 Shrutarv Awasthi , Fernando Moya Rueda , Gernot A. Fink

Automated and accurate human activity recognition (HAR) using body-worn sensors enables practical and cost efficient remote monitoring of Activity of DailyLiving (ADL), which are shown to provide clinical insights across multiple…

Signal Processing · Electrical Eng. & Systems 2023-05-01 Maximilien Burq , Niranjan Sridhar

Human Activity Recognition~(HAR) is the classification of human movement, captured using one or more sensors either as wearables or embedded in the environment~(e.g. depth cameras, pressure mats). State-of-the-art methods of HAR rely on…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 Anjana Wijekoon , Nirmalie Wiratunga

Deep neural network is an effective choice to automatically recognize human actions utilizing data from various wearable sensors. These networks automate the process of feature extraction relying completely on data. However, various noises…

Signal Processing · Electrical Eng. & Systems 2021-01-05 Tanvir Mahmud , A. Q. M. Sazzad Sayyed , Shaikh Anowarul Fattah , Sun-Yuan Kung

This paper focuses on motion prediction for point cloud sequences in the challenging case of deformable 3D objects, such as human body motion. First, we investigate the challenges caused by deformable shapes and complex motions present in…

Computer Vision and Pattern Recognition · Computer Science 2023-07-20 Pedro Gomes , Silvia Rossi , Laura Toni

Detecting human actions is a crucial task for autonomous robots and vehicles, often requiring the integration of various data modalities for improved accuracy. In this study, we introduce a novel approach to Human Action Recognition (HAR)…

Computer Vision and Pattern Recognition · Computer Science 2025-03-06 Mohammad Mahdavian , Mohammad Loni , Ted Samuelsson , Mo Chen

Visual-based human action recognition can be found in various application fields, e.g., surveillance systems, sports analytics, medical assistive technologies, or human-robot interaction frameworks, and it concerns the identification and…

Computer Vision and Pattern Recognition · Computer Science 2024-12-23 Antonios Gasteratos , Stavros N. Moutsis , Konstantinos A. Tsintotas , Yiannis Aloimonos

Traditional human activity recognition (HAR) based on time series adopts sliding window analysis method. This method faces the multi-class window problem which mistakenly labels different classes of sampling points within a window as a…

Machine Learning · Computer Science 2018-09-24 Yong Zhang , Yu Zhang , Zhao Zhang , Jie Bao , Yunpeng Song

3D action recognition - analysis of human actions based on 3D skeleton data - becomes popular recently due to its succinctness, robustness, and view-invariant representation. Recent attempts on this problem suggested to develop RNN-based…

Computer Vision and Pattern Recognition · Computer Science 2016-07-27 Jun Liu , Amir Shahroudy , Dong Xu , Gang Wang

Human action recognition as an important application of computer vision has been studied for decades. Among various approaches, skeleton-based methods recently attract increasing attention due to their robust and superior performance.…

Computer Vision and Pattern Recognition · Computer Science 2021-02-26 Tingtian Li , Zixun Sun , Xiao Chen

Video-based gait recognition has achieved impressive results in constrained scenarios. However, visual cameras neglect human 3D structure information, which limits the feasibility of gait recognition in the 3D wild world. Instead of…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Chuanfu Shen , Chao Fan , Wei Wu , Rui Wang , George Q. Huang , Shiqi Yu

With advancements in computer vision and deep learning, video-based human action recognition (HAR) has become practical. However, due to the complexity of the computation pipeline, running HAR on live video streams incurs excessive delays…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Ruiqi Wang , Zichen Wang , Peiqi Gao , Mingzhen Li , Jaehwan Jeong , Yihang Xu , Yejin Lee , Carolyn M. Baum , Lisa Tabor Connor , Chenyang Lu

Human-centric Point Cloud Video Understanding (PVU) is an emerging field focused on extracting and interpreting human-related features from sequences of human point clouds, further advancing downstream human-centric tasks and applications.…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Yiteng Xu , Kecheng Ye , Xiao Han , Yiming Ren , Xinge Zhu , Yuexin Ma

Sliding window is one direct way to extend a successful recognition system to handle the more challenging detection problem. While action recognition decides only whether or not an action is present in a pre-segmented video sequence, action…

Computer Vision and Pattern Recognition · Computer Science 2015-12-29 Moustafa Meshry , Mohamed E. Hussein , Marwan Torki

In this paper, we demonstrate an end-to-end spatiotemporal gesture learning approach for 3D point cloud data using a new gestures dataset of point clouds acquired from a 3D sensor. Nine classes of gestures were learned from gestures sample…

Computer Vision and Pattern Recognition · Computer Science 2018-04-25 Joshua Owoyemi , Koichi Hashimoto

Mobile service robots are proving to be increasingly effective in a range of applications, such as healthcare, monitoring Activities of Daily Living (ADL), and facilitating Ambient Assisted Living (AAL). These robots heavily rely on Human…

Human Action Recognition is an important task of Human Robot Interaction as cooperation between robots and humans requires that artificial agents recognise complex cues from the environment. A promising approach is using trained classifiers…

Computer Vision and Pattern Recognition · Computer Science 2019-08-26 Frederico Belmonte Klein , Angelo Cangelosi

Derived from rapid advances in computer vision and machine learning, video analysis tasks have been moving from inferring the present state to predicting the future state. Vision-based action recognition and prediction from videos are such…

Computer Vision and Pattern Recognition · Computer Science 2022-02-15 Yu Kong , Yun Fu

We propose a novel point cloud based 3D organ segmentation pipeline utilizing deep Q-learning. In order to preserve shape properties, the learning process is guided using a statistical shape model. The trained agent directly predicts…

Computer Vision and Pattern Recognition · Computer Science 2018-06-18 Xia Zhong , Mario Amrehn , Nishant Ravikumar , Shuqing Chen , Norbert Strobel , Annette Birkhold , Markus Kowarschik , Rebecca Fahrig , Andreas Maier

Vision-based human activity recognition has emerged as one of the essential research areas in video analytics domain. Over the last decade, numerous advanced deep learning algorithms have been introduced to recognize complex human actions…

Computer Vision and Pattern Recognition · Computer Science 2022-08-11 Hayat Ullah , Arslan Munir