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Wearable Human Activity Recognition (WHAR) is a prominent research area within ubiquitous computing, whose core lies in effectively modeling intra- and inter-sensor spatio-temporal relationships from multi-modal time series data. Existing…

人机交互 · 计算机科学 2026-04-13 Wang Chenglong , Zhuo Yan , Ding Wenbo , Chen Xinlei

We present a novel hierarchical model for human activity recognition. In contrast to approaches that successively recognize actions and activities, our approach jointly models actions and activities in a unified framework, and their labels…

机器人学 · 计算机科学 2015-03-09 Ninghang Hu , Gwenn Englebienne , Zhongyu Lou , Ben Kröse

Human Action Recognition (HAR) aims to understand human behavior and assign a label to each action. It has a wide range of applications, and therefore has been attracting increasing attention in the field of computer vision. Human actions…

计算机视觉与模式识别 · 计算机科学 2022-06-22 Zehua Sun , Qiuhong Ke , Hossein Rahmani , Mohammed Bennamoun , Gang Wang , Jun Liu

Human activity recognition (HAR) ideally relies on data from wearable or environment-instrumented sensors sampled at regular intervals, enabling standard neural network models optimized for consistent time-series data as input. However,…

信号处理 · 电气工程与系统科学 2025-01-28 Mengxi Liu , Daniel Geißler , Sizhen Bian , Bo Zhou , Paul Lukowicz

The proliferation of wearable technology enables the generation of vast amounts of sensor data, offering significant opportunities for advancements in health monitoring, activity recognition, and personalized medicine. However, the…

人机交互 · 计算机科学 2024-08-02 Emilio Ferrara

The lack of standardization across Wearable Human Activity Recognition (WHAR) datasets limits reproducibility, comparability, and research efficiency. We introduce WHAR datasets, an open-source library designed to simplify WHAR data…

人机交互 · 计算机科学 2025-09-03 Maximilian Burzer , Tobias King , Till Riedel , Michael Beigl , Tobias Röddiger

Human Activity Recognition (HAR) systems have been extensively studied by the vision and ubiquitous computing communities due to their practical applications in daily life, such as smart homes, surveillance, and health monitoring.…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Hyeongju Choi , Apoorva Beedu , Irfan Essa

Objective: Function is increasingly recognized as an important indicator of whole-person health. This study evaluates the ability of publicly available large language models (LLMs) to accurately identify the presence of functioning…

计算与语言 · 计算机科学 2023-12-19 Tuan Dung Le , Thanh Duong , Thanh Thieu

Human activity recognition (HAR) is a research field that employs Machine Learning (ML) techniques to identify user activities. Recent studies have prioritized the development of HAR solutions directly executed on wearable devices, enabling…

机器学习 · 计算机科学 2025-05-27 Hazem Hesham Yousef Shalby , Manuel Roveri

Human Activity Recognition (HAR) from wearable sensor data identifies movements or activities in unconstrained environments. HAR is a challenging problem as it presents great variability across subjects. Obtaining large amounts of labelled…

计算机视觉与模式识别 · 计算机科学 2022-02-15 Arttu Lämsä , Jaakko Tervonen , Jussi Liikka , Constantino Álvarez Casado , Miguel Bordallo López

Human Activity Recognition (HAR) with wearable sensors is essential for applications in healthcare, fitness, and human-computer interaction. Bio-impedance sensing offers unique advantages for fine-grained motion capture but remains…

计算机视觉与模式识别 · 计算机科学 2025-07-10 Lala Shakti Swarup Ray , Mengxi Liu , Deepika Gurung , Bo Zhou , Sungho Suh , Paul Lukowicz

In the field of sensor-based Human Activity Recognition (HAR), deep neural networks provide advanced technical support. Many studies have proven that recognition accuracy can be improved by increasing the depth or width of the network.…

机器学习 · 计算机科学 2025-08-22 Xiaoyang Li , Yixuan Jiang , Junze Zhu , Haotian Tang , Dongchen Wu , Hanyu Liu , Chao Li

Human activity recognition (HAR) on smartglasses has various use cases, including health/fitness tracking and input for context-aware AI assistants. However, current approaches for egocentric activity recognition suffer from low performance…

计算机视觉与模式识别 · 计算机科学 2025-04-25 Akhil Padmanabha , Saravanan Govindarajan , Hwanmun Kim , Sergio Ortiz , Rahul Rajan , Doruk Senkal , Sneha Kadetotad

Recent advancements in Artificial Neural Networks have significantly improved human activity recognition using multiple time-series sensors. While employing numerous sensors with high-frequency sampling rates usually improves the results,…

信号处理 · 电气工程与系统科学 2024-10-11 Mengxi Liu , Zimin Zhao , Daniel Geißler , Bo Zhou , Sungho Suh , Paul Lukowicz

Cross-modal contrastive pre-training between natural language and other modalities, e.g., vision and audio, has demonstrated astonishing performance and effectiveness across a diverse variety of tasks and domains. In this paper, we…

机器学习 · 计算机科学 2024-08-23 Harish Haresamudram , Apoorva Beedu , Mashfiqui Rabbi , Sankalita Saha , Irfan Essa , Thomas Ploetz

Recognizing an activity with a single reference sample using metric learning approaches is a promising research field. The majority of few-shot methods focus on object recognition or face-identification. We propose a metric learning…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Raphael Memmesheimer , Nick Theisen , Dietrich Paulus

Human Activity Recognition (HAR) plays a vital role in applications such as fitness tracking, smart homes, and healthcare monitoring. Traditional HAR systems often rely on single modalities, such as motion sensors or cameras, limiting…

机器学习 · 计算机科学 2025-08-05 Asmit Bandyopadhyay , Rohit Basu , Tanmay Sen , Swagatam Das

Human Activity Recognition (HAR) is one of the key applications of health monitoring that requires continuous use of wearable devices to track daily activities. This paper proposes an Adaptive CNN for energy-efficient HAR (AHAR) suitable…

机器学习 · 计算机科学 2022-01-04 Nafiul Rashid , Berken Utku Demirel , Mohammad Abdullah Al Faruque

Human Activity Recognition (HAR) plays a critical role in a wide range of real-world applications, and it is traditionally achieved via wearable sensing. Recently, to avoid the burden and discomfort caused by wearable devices, device-free…

网络与互联网体系结构 · 计算机科学 2021-10-29 Zhe Chen , Chao Cai , Tianyue Zheng , Jun Luo , Jie Xiong , Xin Wang

Attribute representations became relevant in image recognition and word spotting, providing support under the presence of unbalance and disjoint datasets. However, for human activity recognition using sequential data from on-body sensors,…

计算机视觉与模式识别 · 计算机科学 2018-02-05 Fernando Moya Rueda , Gernot A. Fink