Human activity recognition using tools of convolutional neural networks: A state of the art review, data sets, challenges, and future prospects

MM Islam, S Nooruddin, F Karray… - Computers in biology and …, 2022 - Elsevier
Abstract Human Activity Recognition (HAR) plays a significant role in the everyday life of
people because of its ability to learn extensive high-level information about human activity …

Recognition of micro-motion space targets based on attention-augmented cross-modal feature fusion recognition network

X Tian, X Bai, F Zhou - IEEE Transactions on Geoscience and …, 2023 - ieeexplore.ieee.org
Narrowband and wideband waveforms are usually adopted simultaneously during the
observation of micro-motion space targets by inverse synthetic aperture radar (ISAR), which …

[HTML][HTML] Frequency-Modulated Continuous-Wave Radar Perspectives on Unmanned Aerial Vehicle Detection and Classification: A Primer for Researchers with …

AN Sayed, OM Ramahi, G Shaker - Drones, 2024 - mdpi.com
Unmanned Aerial Vehicles (UAVs) represent a rapidly increasing technology with profound
implications for various domains, including surveillance, security, and commercial …

Fmcw radar range profile and micro-doppler signature fusion for improved traffic signaling motion classification

B Debnath, IA Ebu, S Biswas… - 2024 IEEE Radar …, 2024 - ieeexplore.ieee.org
Human activity recognition plays a crucial role in Advanced Driver-Assisted Systems
(ADAS). A significant challenge in achieving automotive autonomy lies in the difficulty faced …

Safety Helmet‐Wearing Detection System for Manufacturing Workshop Based on Improved YOLOv7

X Chen, Q Xie - Journal of Sensors, 2023 - Wiley Online Library
Safety helmets play a vital role in protecting workers' heads. In order to improve the accuracy
of the detection model in complex environments, such as complex backgrounds and …

Low-resolution radar target classification using vision transformer based on micro-Doppler signatures

B Ma, KO Egiazarian, B Chen - IEEE Sensors Journal, 2023 - ieeexplore.ieee.org
Micro-Doppler signatures (m-DSs) have been widely employed for the automatic recognition
of various radar targets that exhibit micromotions via time–frequency distributions (TFDs) …

Improved radar detection of small drones using doppler signal-to-clutter ratio (DSCR) detector

J Gong, J Yan, H Hu, D Kong, D Li - Drones, 2023 - mdpi.com
The detection of drones using radar presents challenges due to their small radar cross-
section (RCS) values, slow velocities, and low altitudes. Traditional signal-to-noise ratio …

Exploring Radar Micro-Doppler Signatures for Recognition of Drone Types

J Yan, H Hu, J Gong, D Kong, D Li - Drones, 2023 - mdpi.com
In this study, we examine the use of micro-Doppler signals produced by different blades (ie,
puller and lifting blades) to aid in radar-based target recognition of small drones. We …

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 …

Scatterer-level time-frequency-frequency rate representation for micro-motion identification

H Zhang, W Zhang, Y Liu, W Yang, S Yong - Remote Sensing, 2023 - mdpi.com
Radar micro-motion signatures help to judge the target's motion state and threat level, which
plays a vital role in space situational awareness. Most of the existing micro-motion feature …