Frontiers of Optoelectronics, 2017, 10 (4): 388, 网络出版: 2018-01-17  

Waveform LiDAR signal denoising based on connected domains

Waveform LiDAR signal denoising based on connected domains
作者单位
National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology, Harbin 150001, China
摘要
Abstract
The streak tube imaging light detection and ranging (LiDAR) is a new type of waveform sampling laser imaging radar whose echo signals are stripe images with a high frame rate. In this study, the morphological and statistical characteristics of stripe signals are analyzed in detail. Based on the concept of mathematical morphology denoising, connected domains are constructed in a noisecontaining stripe image, and the noise is removed using the difference in connected domains area between signals and noises. It is shown that, for stripe signals, the proposed denoising method is significantly more efficient than Wiener filtering.

Liyu SUN, Zhiwei DONG, Ruihuan ZHANG, Rongwei FAN, Deying CHEN. Waveform LiDAR signal denoising based on connected domains[J]. Frontiers of Optoelectronics, 2017, 10(4): 388. Liyu SUN, Zhiwei DONG, Ruihuan ZHANG, Rongwei FAN, Deying CHEN. Waveform LiDAR signal denoising based on connected domains[J]. Frontiers of Optoelectronics, 2017, 10(4): 388.

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