An improved human activity recognition technique based on convolutional neural network

R Raj, A Kos - Scientific Reports, 2023‏ - nature.com
A convolutional neural network (CNN) is an important and widely utilized part of the artificial
neural network (ANN) for computer vision, mostly used in the pattern recognition system …

WiFi-based human activity recognition through wall using deep learning

FS Abuhoureyah, YC Wong, ASBM Isira - Engineering Applications of …, 2024‏ - Elsevier
Wireless sensing is a promising method that integrates wireless mechanisms with strong
sensing capabilities. The current focus of using WiFi Channel State Information (CSI) for …

Radar micro‐Doppler signature generation based on time‐domain digital coding metasurface

SR Wang, JY Dai, JC Ke, ZY Chen, QY Zhou… - Advanced …, 2024‏ - Wiley Online Library
Micro‐Doppler effect is a vital feature of a target that reflects its oscillatory motions apart from
bulk motion and provides an important evidence for target recognition with radars. However …

[HTML][HTML] Enhancing CSI-based human activity recognition by edge detection techniques

H Shahverdi, M Nabati, P Fard Moshiri, R Asvadi… - Information, 2023‏ - mdpi.com
Human Activity Recognition (HAR) has been a popular area of research in the Internet of
Things (IoT) and Human–Computer Interaction (HCI) over the past decade. The objective of …

Radar-based human activity recognition using multi-domain multi-level fused patch-based learning

A Dey, S Rajan, G **ao, J Lu - IEEE Transactions on …, 2024‏ - ieeexplore.ieee.org
Recently, several deep-learning (DL) techniques using different types of 2-D representations
of radar returns, have been developed for radar-based human activity recognition (HAR) …

Radar‐based human activity recognition using denoising techniques to enhance classification accuracy

R Yu, Y Du, J Li, A Napolitano… - IET Radar, Sonar & …, 2024‏ - Wiley Online Library
Radar‐based human activity recognition is considered as a competitive solution for the
elderly care health monitoring problem, compared to alternative techniques such as …

[HTML][HTML] Progressively-orthogonally-mapped EfficientNet for action recognition on time-range-Doppler signature

C Yao, J Ren, R Bai, H Du, J Liu, X Jiang - Expert Systems with Applications, 2024‏ - Elsevier
Although 2D radar signal representations, such as spectrograms and range-Doppler maps
have been widely used for target recognition, 3D time-range-Doppler (TRD) has been less …

A holistic human activity recognition optimisation using AI techniques

Z Li, Y Liu, B Liu, J Le Kernec… - IET Radar, Sonar & …, 2024‏ - Wiley Online Library
Building on previous radar‐based human activity recognition (HAR), we expand the micro‐
Doppler signature to 6 domains and exploit each domain with a set of handcrafted features …

Human motion recognition by micro-Doppler features and concatenated CNN-LSTM network

X **ong, A Ren, T Yuan, A Zahid… - IEEE Sensors …, 2024‏ - ieeexplore.ieee.org
Human Motion Recognition (HMR) technology has emerged as a pivotal area of research
within indoor human sensing. Traditional approaches to HMR often rely on uncomfortable …

Improving human activity classification based on micro-doppler signatures of FMCW radar with the effect of noise

NB Nguyen, MN Pham, VS Doan, VN Le - PloS one, 2024‏ - journals.plos.org
Nowadays, classifying human activities is applied in many essential fields, such as
healthcare, security monitoring, and search and rescue missions. Radar sensor-based …