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Human motion prediction and understanding is a challenging problem. Due to the complex dynamic of human motion and the non-deterministic aspect of future prediction. We propose a novel sequence-to-sequence model for human motion prediction…

Computer Vision and Pattern Recognition · Computer Science 2021-01-01 Emad Barsoum , John Kender , Zicheng Liu

Action completion detection is the problem of modelling the action's progression towards localising the moment of completion - when the action's goal is confidently considered achieved. In this work, we assess the ability of two temporal…

Computer Vision and Pattern Recognition · Computer Science 2017-10-09 Farnoosh Heidarivincheh , Majid Mirmehdi , Dima Damen

Detecting dynamic patterns of task-specific responses shared across heterogeneous datasets is an essential and challenging problem in many scientific applications in medical science and neuroscience. In our motivating example of rodent…

Neurons and Cognition · Quantitative Biology 2024-07-02 Yubai Yuan , Babak Shahbaba , Norbert Fortin , Keiland Cooper , Qing Nie , Annie Qu

Human action recognition is an important task in computer vision. Extracting discriminative spatial and temporal features to model the spatial and temporal evolutions of different actions plays a key role in accomplishing this task. In this…

Computer Vision and Pattern Recognition · Computer Science 2016-11-21 Sijie Song , Cuiling Lan , Junliang Xing , Wenjun Zeng , Jiaying Liu

Various and ubiquitous information systems are being used in monitoring, exchanging, and collecting information. These systems are generating massive amount of event sequence logs that may help us understand underlying phenomenon. By…

Machine Learning · Statistics 2018-07-13 Yihuang Kang , Vladimir Zadorozhny

Human action recognition has been an important topic in computer vision due to its many applications such as video surveillance, human machine interaction and video retrieval. One core problem behind these applications is automatically…

Computer Vision and Pattern Recognition · Computer Science 2015-01-27 Guangchun Cheng , Yiwen Wan , Abdullah N. Saudagar , Kamesh Namuduri , Bill P. Buckles

Human activity recognition (HAR) from on-body sensors is a core functionality in many AI applications: from personal health, through sports and wellness to Industry 4.0. A key problem holding up progress in wearable sensor-based HAR,…

Signal Processing · Electrical Eng. & Systems 2024-05-21 Si Zuo , Vitor Fortes Rey , Sungho Suh , Stephan Sigg , Paul Lukowicz

Wearable sensor devices, which offer the advantage of recording daily objects used by a person while performing an activity, enable the feasibility of unsupervised Human Activity Recognition (HAR). Unfortunately, previous unsupervised…

Human-Computer Interaction · Computer Science 2023-06-12 Qingxin Xia , Takuya Maekawa , Takahiro Hara

In the human activity recognition research area, prior studies predominantly concentrate on leveraging advanced algorithms on public datasets to enhance recognition performance, little attention has been paid to executing real-time kitchen…

Signal Processing · Electrical Eng. & Systems 2024-09-11 Mengxi Liu , Sungho Suh , Juan Felipe Vargas , Bo Zhou , Agnes Grünerbl , Paul Lukowicz

Robots need to perceive persons in their surroundings for safety and to interact with them. In this paper, we present a person segmentation and action classification approach that operates on 3D scans of hemisphere field of view LiDAR…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Svetlana Seliunina , Artem Otelepko , Raphael Memmesheimer , Sven Behnke

3D skeleton-based motion prediction and activity recognition are two interwoven tasks in human behaviour analysis. In this work, we propose a motion context modeling methodology that provides a new way to combine the advantages of both…

Computer Vision and Pattern Recognition · Computer Science 2021-08-04 Dianhao Zhang , Ngo Anh Vien , Mien Van , Sean McLoone

In this paper we address the problem of continuous fine-grained action segmentation, in which multiple actions are present in an unsegmented video stream. The challenge for this task lies in the need to represent the hierarchical nature of…

Computer Vision and Pattern Recognition · Computer Science 2019-09-23 Harshala Gammulle , Simon Denman , Sridha Sridharan , Clinton Fookes

Time series are used in many domains including finance, engineering, economics and bioinformatics generally to represent the change of a measurement over time. Modeling techniques may then be used to give a synthetic representation of such…

Methodology · Statistics 2013-12-30 Faicel Chamroukhi , Allou Samé , Gérard Govaert , Patrice Aknin

Human Activity Recognition (HAR) describes the machines ability to recognize human actions. Nowadays, most people on earth are health conscious, so people are more interested in tracking their daily activities using Smartphones or Smart…

Machine Learning · Computer Science 2022-05-23 Sanku Satya Uday , Satti Thanuja Pavani , T. Jaya Lakshmi , Rohit Chivukula

Human activity recognition is one of the most important tasks in computer vision and has proved useful in different fields such as healthcare, sports training and security. There are a number of approaches that have been explored to solve…

Computer Vision and Pattern Recognition · Computer Science 2023-05-01 Sheryl Mathew , Annapoorani Subramanian , Pooja , Balamurugan MS , Manoj Kumar Rajagopal

Humans naturally follow distinct patterns when conducting their daily activities, which are driven by established practices and processes, such as production workflows, social norms and daily routines. Human activity recognition (HAR)…

Artificial Intelligence · Computer Science 2024-11-14 Jiawei Zheng , Petros Papapanagiotou , Jacques D. Fleuriot , Jane Hillston

Batteryless or so called passive wearables are providing new and innovative methods for human activity recognition (HAR), especially in healthcare applications for older people. Passive sensors are low cost, lightweight, unobtrusive and…

Machine Learning · Computer Science 2019-06-07 Alireza Abedin , S. Hamid Rezatofighi , Qinfeng Shi , Damith C. Ranasinghe

We present a unified framework for understanding human social behaviors in raw image sequences. Our model jointly detects multiple individuals, infers their social actions, and estimates the collective actions with a single feed-forward…

Computer Vision and Pattern Recognition · Computer Science 2016-11-29 Timur Bagautdinov , Alexandre Alahi , François Fleuret , Pascal Fua , Silvio Savarese

Hidden Markov jump processes are an attractive approach for modeling clinical disease progression data because they are explainable and capable of handling both irregularly sampled and noisy data. Most applications in this context consider…

Methodology · Statistics 2019-10-15 Rui Meng , Soper Braden , Jan Nygard , Mari Nygrad , Herbert Lee

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