Results 21 to 30 of about 22,466 (253)
Frequency-modulated continuous-wave LiDAR compressive depth-mapping [PDF]
, 2018 We present an inexpensive architecture for converting a frequency-modulated continuous-wave LiDAR system into a compressive-sensing based depth-mapping camera.
Howell, John C. +2 more
core +3 more sources
CARRADA Dataset: Camera and Automotive Radar with Range-Angle-Doppler Annotations
, 2021 High quality perception is essential for autonomous driving (AD) systems. To reach the accuracy and robustness that are required by such systems, several types of sensors must be combined. Currently, mostly cameras and laser scanners (lidar) are deployed
Newson, A. +4 more
core +2 more sources
External modulation method for generating accurate linear optical FMCW [PDF]
, 2017 Frequency modulation continuous wave (FMCW) lasers are key components in modern optical imaging. However, current intracavity modulation lasers do not exhibit low-frequency jitter rate and high linearity due to the inherent relaxation oscillations ...
Ge, Chunfeng +7 more
core +1 more source
Sparsity-Based Human Activity Recognition With PointNet Using a Portable FMCW Radar
IEEE Internet of Things Journal, 2023 Radar-based solutions have attracted great attention in human activity recognition (HAR) for their advantages in accuracy, robustness, and privacy protection. The conventional approaches transform radar signals into feature maps and then directly process
Chuanwei Ding +5 more
semanticscholar +1 more source
Improved FMCW Radar System for Multi-Target Detection of Human Respiration Vital Sign
Jurnal Elektronika dan Telekomunikasi, 2019 Frequency Modulated Continuous Wave (FMCW) radar system has been developed and applied for various needs. Based on the conventional FMCW radar concept, a large bandwidth is needed to detect small displacements in the chest wall or abdomen related with ...
Hana Pratiwi +3 more
doaj +1 more source
A novel scheme for processing FMCW-ladar data acquired with low sampling rate
Geo-spatial Information Science, 2022 The frequency-modulated continuous wave (FMCW) ladar is a useful sensor for remote sensing applications and has been widely used in both the military and civilian fields for precise geospatial data acquisition.
Sujuan Fang +4 more
doaj +1 more source
Multitarget Physical Activities Monitoring and Classification Using a V-Band FMCW Radar
IEEE Transactions on Instrumentation and Measurement, 2023 This work proposes a radar-based physical activities monitoring solution capable of detecting, classifying, and counting the number of repetitions of multiple human subjects doing different exercises simultaneously in front of the radar, using only one ...
Victor G. Rizzi Varela +3 more
semanticscholar +1 more source
FMCW rail-mounted SAR: Porting spotlight SAR imaging from MATLAB to FPGA [PDF]
, 2014 In this work, a low-cost laptop-based radar platform derived from the MIT open courseware has been implemented. It can perform ranging, Doppler measurement and SAR imaging using MATLAB as the processor.
Gray, D., Le Kernec, J., Melnikov, A.
core +1 more source
Penetrating 3-D Imaging at 4- and 25-m Range Using a Submillimeter-Wave Radar [PDF]
, 2008 We show experimentally that a high-resolution imaging radar operating at 576–605 GHz is capable of detecting weapons concealed by clothing at standoff ranges of 4–25 m.
Bryllert, Tomas +10 more
core +1 more source
Optics Express, 2023 Highly-time-resolved and precise tracking of position, velocity, and acceleration is urgently required when highly dynamic legged robots are walking, trotting, and jumping.
Caiming Sun +8 more
semanticscholar +1 more source