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Human physical motion activity identification has many potential applications in various fields, such as medical diagnosis, military sensing, sports analysis, and human-computer security interaction. With the recent advances in smartphones…

Human-Computer Interaction · Computer Science 2022-01-24 Abdulrahman Alruban , Hind Alobaidi , Nathan Clarke' Fudong Li

Monitoring the status of large computing systems is essential to identify unexpected behavior and improve their performance and uptime. However, due to the large-scale and distributed design of such computing systems as well as a large…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-02-09 Tom Richard Vargis , Siavash Ghiasvand

Automatic Crowd behavior analysis can be applied to effectively help the daily transportation statistics and planning, which helps the smart city construction. As one of the most important keys, crowd counting has drawn increasing…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Haoran Duan , Fan Wan , Rui Sun , Zeyu Wang , Varun Ojha , Yu Guan , Hubert P. H. Shum , Bingzhang Hu , Yang Long

Semi-supervised learning has made significant strides in the medical domain since it alleviates the heavy burden of collecting abundant pixel-wise annotated data for semantic segmentation tasks. Existing semi-supervised approaches enhance…

Computer Vision and Pattern Recognition · Computer Science 2021-12-03 Xu Zheng , Chong Fu , Haoyu Xie , Jialei Chen , Xingwei Wang , Chiu-Wing Sham

Recently, action proposal methods have played an important role in action recognition tasks, as they reduce the search space dramatically. Most unsupervised action proposal methods tend to generate hundreds of action proposals which include…

Computer Vision and Pattern Recognition · Computer Science 2017-04-05 Waqas Sultani , Dong Zhang , Mubarak Shah

Automatic classification of running styles can enable runners to obtain feedback with the aim of optimizing performance in terms of minimizing energy expenditure, fatigue, and risk of injury. To develop a system capable of classifying…

Machine Learning · Computer Science 2021-09-24 Setareh Rahimi Taghanaki , Michael Rainbow , Ali Etemad

Activity recognition computer vision algorithms can be used to detect the presence of autism-related behaviors, including what are termed "restricted and repetitive behaviors", or stimming, by diagnostic instruments. The limited data that…

Computer Vision and Pattern Recognition · Computer Science 2021-01-12 Peter Washington , Aaron Kline , Onur Cezmi Mutlu , Emilie Leblanc , Cathy Hou , Nate Stockham , Kelley Paskov , Brianna Chrisman , Dennis P. Wall

The present paper proposes an encoder-decoder model for extracting the structures of human motions represented by frame-wise discrete features in a self-supervised manner. In the proposed method, features are extracted as codes in a motion…

Computer Vision and Pattern Recognition · Computer Science 2023-09-13 Tetsuya Abe , Ryusuke Sagawa , Ko Ayusawa , Wataru Takano

With the proliferation of sensors, such as accelerometers, in mobile devices, activity and motion tracking has become a viable technology to understand and create an engaging user experience. This paper proposes a fast adaptation and…

Human-Computer Interaction · Computer Science 2016-11-11 Mohammad Abu Alsheikh , Dusit Niyato , Shaowei Lin , Hwee-Pink Tan , Dong In Kim

Identification of falls while performing normal activities of daily living (ADL) is important to ensure personal safety and well-being. However, falling is a short term activity that occurs infrequently. This poses a challenge to…

Machine Learning · Computer Science 2018-02-02 Shehroz S. Khan , Michelle E. Karg , Dana Kulic , Jesse Hoey

After a surge in popularity of supervised Deep Learning, the desire to reduce the dependence on curated, labelled data sets and to leverage the vast quantities of unlabelled data available recently triggered renewed interest in unsupervised…

Machine Learning · Computer Science 2020-09-21 Lorijn Zaadnoordijk , Tarek R. Besold , Rhodri Cusack

Daily life of thousands of individuals around the globe suffers due to physical or mental disability related to limb movement. The quality of life for such individuals can be made better by use of assistive applications and systems. In such…

Signal Processing · Electrical Eng. & Systems 2022-02-02 Asad Mansoor Khan , Ayesha Sadiq , Sajid Gul Khawaja , Norah Saleh Alghamdi , Muhammad Usman Akram , Ali Saeed

Supervised machine learning-based medical image computing applications necessitate expert label curation, while unlabelled image data might be relatively abundant. Active learning methods aim to prioritise a subset of available image data…

Deep learning methods are successfully used in applications pertaining to ubiquitous computing, health, and well-being. Specifically, the area of human activity recognition (HAR) is primarily transformed by the convolutional and recurrent…

Machine Learning · Computer Science 2019-07-30 Aaqib Saeed , Tanir Ozcelebi , Johan Lukkien

Identification of patterns from discrete data time-series for statistical inference, threat detection, social opinion dynamics, brain activity prediction has received recent momentum. In addition to the huge data size, the associated…

Machine Learning · Computer Science 2019-02-22 Ruochen Yang , Gaurav Gupta , Paul Bogdan

Recently, transfer subspace learning based approaches have shown to be a valid alternative to unsupervised subspace clustering and temporal data clustering for human motion segmentation (HMS). These approaches leverage prior knowledge from…

Computer Vision and Pattern Recognition · Computer Science 2021-08-30 Mariella Dimiccoli , Lluís Garrido , Guillem Rodriguez-Corominas , Herwig Wendt

Artificial Intelligence (AI) has found application in Human Activity Recognition (HAR) in competitive sports. To date, most Machine Learning (ML) approaches for HAR have relied on offline (batch) training, imposing higher computational and…

Urban morphological measures applied at a high-resolution of spatial analysis can yield a wealth of data describing characteristics of the urban environment in a substantial degree of detail; however, such forms of high-dimensional numeric…

Physics and Society · Physics 2022-01-24 Gareth D. Simons

Human Activity Recognition (HAR) based on the sensors of mobile/wearable devices aims to detect the physical activities performed by humans in their daily lives. Although supervised learning methods are the most effective in this task,…

Signal Processing · Electrical Eng. & Systems 2024-04-25 Sannara Ek , Riccardo Presotto , Gabriele Civitarese , François Portet , Philippe Lalanda , Claudio Bettini

Physiological measurements involves observing variables that attribute to the normative functioning of human systems and subsystems directly or indirectly. The measurements can be used to detect affective states of a person with aims such…

Machine Learning · Computer Science 2022-10-31 Nibraas Khan , Nilanjan Sarkar