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Human activity recognition (HAR) by wearable sensor devices embedded in the Internet of things (IOT) can play a significant role in remote health monitoring and emergency notification, to provide healthcare of higher standards. The purpose…

机器学习 · 计算机科学 2022-01-24 M. Abid , A. Khabou , Y. Ouakrim , H. Watel , S. Chemkhi , A. Mitiche , A. Benazza-Benyahia , N. Mezghani

Humans do not acquire perceptual abilities in the way we train machines. While machine learning algorithms typically operate on large collections of randomly-chosen, explicitly-labeled examples, human acquisition relies more heavily on…

Human activity recognition serves as the foundation for various emerging applications. In recent years, researchers have used collaborative sensing of multi-source sensors to capture complex and dynamic human activities. However, multimodal…

机器学习 · 计算机科学 2026-04-28 Long Jing , Zhixiong Yang , Yajun Zhang , Xinlong Feng

Low-resolution infrared-based human activity recognition (HAR) attracted enormous interests due to its low-cost and private. In this paper, a novel semi-supervised crossdomain neural network (SCDNN) based on 8 $\times$ 8 low-resolution…

信号处理 · 电气工程与系统科学 2024-03-06 Cunyi Yin , Xiren Miao , Jing Chen , Hao Jiang , Deying Chen , Yixuan Tong , Shaocong Zheng

Collecting large-scale medical datasets with fine-grained annotations is time-consuming and requires experts. For this reason, weakly supervised learning aims at optimising machine learning models using weaker forms of annotations, such as…

计算机视觉与模式识别 · 计算机科学 2021-08-27 Gabriele Valvano , Andrea Leo , Sotirios A. Tsaftaris

Human Activity Recognition (HAR) is a fundamental technology for numerous human - centered intelligent applications. Although deep learning methods have been utilized to accelerate feature extraction, issues such as multimodal data mixing,…

计算机视觉与模式识别 · 计算机科学 2026-02-06 Ying Yu , Siyao Li , Yixuan Jiang , Hang Xiao , Jingxi Long , Haotian Tang , Hanyu Liu , Chao Li

In real-world applications, data do not reflect the ones commonly used for neural networks training, since they are usually few, unlabeled and can be available as a stream. Hence many existing deep learning solutions suffer from a limited…

机器学习 · 计算机科学 2020-11-18 Alessia Bertugli , Stefano Vincenzi , Simone Calderara , Andrea Passerini

Human activity recognition has wide applications in medical research and human survey system. In this project, we design a robust activity recognition system based on a smartphone. The system uses a 3-dimentional smartphone accelerometer as…

计算机与社会 · 计算机科学 2014-02-03 Amin Rasekh , Chien-An Chen , Yan Lu

Deep-learning based computer vision models have proved themselves to be ground-breaking approaches to human activity recognition (HAR). However, most existing works are dedicated to improve the prediction accuracy through either creating…

计算机视觉与模式识别 · 计算机科学 2021-02-04 Mahsun Altın , Furkan Gürsoy , Lina Xu

One of the main problems in applying deep learning techniques to recognize activities of daily living (ADLs) based on inertial sensors is the lack of appropriately large labelled datasets to train deep learning-based models. A large amount…

计算机视觉与模式识别 · 计算机科学 2023-11-15 Hamza Amrani , Daniela Micucci , Paolo Napoletano

Diagnostic and intervention methodologies for skill assessment of autism typically requires a clinician repetitively initiating several stimuli and recording the child's response. In this paper, we propose to automate the response…

计算机视觉与模式识别 · 计算机科学 2020-01-30 Prashant Pandey , Prathosh AP , Manu Kohli , Josh Pritchard

Understanding human behavior is an important problem in the pursuit of visual intelligence. A challenge in this endeavor is the extensive and costly effort required to accurately label action segments. To address this issue, we consider…

计算机视觉与模式识别 · 计算机科学 2025-04-09 Seth Z. Zhao , Reza Ghoddoosian , Isht Dwivedi , Nakul Agarwal , Behzad Dariush

Labeled data used for training activity recognition classifiers are usually limited in terms of size and diversity. Thus, the learned model may not generalize well when used in real-world use cases. Semi-supervised learning augments labeled…

机器学习 · 计算机科学 2018-01-25 Ming Zeng , Tong Yu , Xiao Wang , Le T. Nguyen , Ole J. Mengshoel , Ian Lane

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…

信号处理 · 电气工程与系统科学 2021-01-05 Tanvir Mahmud , A. Q. M. Sazzad Sayyed , Shaikh Anowarul Fattah , Sun-Yuan Kung

Advances in embedded systems have enabled integration of many lightweight sensory devices within our daily life. In particular, this trend has given rise to continuous expansion of wearable sensors in a broad range of applications from…

机器学习 · 计算机科学 2019-07-09 Mahdi Pedram , Seyed Ali Rokni , Marjan Nourollahi , Houman Homayoun , Hassan Ghasemzadeh

Weakly supervised object detection aims at reducing the amount of supervision required to train detection models. Such models are traditionally learned from images/videos labelled only with the object class and not the object bounding box.…

计算机视觉与模式识别 · 计算机科学 2019-04-04 Zhenheng Yang , Dhruv Mahajan , Deepti Ghadiyaram , Ram Nevatia , Vignesh Ramanathan

Humans perceive actions through key transitions that structure actions across multiple abstraction levels, whereas machines, relying on visual features, tend to over-segment. This highlights the difficulty of enabling hierarchical reasoning…

计算机视觉与模式识别 · 计算机科学 2026-03-02 Junxian Huang , Ruichu Cai , Hao Zhu , Juntao Fang , Boyan Xu , Weilin Chen , Zijian Li , Shenghua Gao

Automated Human Activity Recognition has long been a problem of great interest in human-centered and ubiquitous computing. In the last years, a plethora of supervised learning algorithms based on deep neural networks has been suggested to…

计算机视觉与模式识别 · 计算机科学 2022-10-10 Bulat Khaertdinov , Stylianos Asteriadis

A major barrier to the personalized Human Activity Recognition using wearable sensors is that the performance of the recognition model drops significantly upon adoption of the system by new users or changes in physical/ behavioral status of…

计算机视觉与模式识别 · 计算机科学 2018-01-26 Seyed Ali Rokni , Marjan Nourollahi , Hassan Ghasemzadeh

Human activity recognition (HAR) based on mobile sensors plays an important role in ubiquitous computing. However, the rise of data regulatory constraints precludes collecting private and labeled signal data from personal devices at scale.…

信号处理 · 电气工程与系统科学 2021-06-02 Chenglin Li , Di Niu , Bei Jiang , Xiao Zuo , Jianming Yang