Comparison and Analysis of Denoising for Photon-Counting LiDAR Data

Zhenhua Wang; Shixian Chen; Wei Kong; Xiangfeng Liu

doi:10.3788/LOP213259

Laser & Optoelectronics Progress, Volume. 60, Issue 6, 0628001(2023)

Comparison and Analysis of Denoising for Photon-Counting LiDAR Data

Zhenhua Wang1... Shixian Chen1, Wei Kong2 and Xiangfeng Liu2,* |Show fewer author(s)

Author Affiliations

¹Department of Information, Shanghai Ocean University, Shanghai 201306, China

²Key Laboratory of Space Active Opto-Electronics Technology, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China

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Figures & Tables(5)

Fig. 1. Schematic diagrams of original data in the test area. (a) Data of mountain study area; (b) data of water study area

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Fig. 2. Comparison of denoising results of mountain data. (a) Denoising results of algorithm 1; (b) denoising results of algorithm 2; (c) denoising results of algorithm 3

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Fig. 3. Comparison of denoising results of water data. (a) Denoising results of algorithm 1; (b) denoising results of algorithm 2; (c) denoising results of algorithm 3

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Table 1. Parameters of MABEL
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Table 1. Parameters of MABEL
Parameter Value
Flight altitude /km 20
Wavelength /nm 1064，532
Foot diameter /m 2
Pulse width /ns 2
LiDAR scanning width /km 1
Foot spacing /m 0.7

Table 2. Comparison of denoising results
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Table 2. Comparison of denoising results
Terrain category Algorithm 1 Algorithm 2 Algorithm 3
P R F P R F P R F
Mountain 0.9342 0.9972 0.9647 0.9524 0.9881 0.9702 0.9669 0.9780 0.9724
Water 0.9981 1.0000 0.9991 0.9492 0.9903 0.9683 0.9349 0.9956 0.9663

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Zhenhua Wang, Shixian Chen, Wei Kong, Xiangfeng Liu. Comparison and Analysis of Denoising for Photon-Counting LiDAR Data[J]. Laser & Optoelectronics Progress, 2023, 60(6): 0628001

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