Single-Photon Denoising Algorithm Based on Line Scanning Characteristics of Lidar Channels

Shuo Wei; Nanxiang Zhao; Yihua Hu; Minle Li; Wanshun Sun

doi:10.3788/LOP202259.1210007

Laser & Optoelectronics Progress, Volume. 59, Issue 12, 1210007(2022)

Single-Photon Denoising Algorithm Based on Line Scanning Characteristics of Lidar Channels

Shuo Wei^1,2, Nanxiang Zhao^1,2、*, Yihua Hu^1,2, Minle Li^1,2, and Wanshun Sun^1,2

¹State Key Laboratory of Pulsed Power Laser Technology, Electronic Warfare Academy, National University of Defense Technology, Hefei 230037, Anhui , China

²Advanced Laser Technology, Hefei 230037, Anhui , China

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Figures & Tables(9)

Fig. 1. Sectional view after data projection. (a) Complete detection data; (b) signal point cloud

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Fig. 2. Data magnification effect

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Fig. 3. Flowchart of the proposed filtering algorithm

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Fig. 4. Histogram of $k (i)$

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Fig. 5. Rough denoising result graph

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Fig. 6. Fine denoising result graph

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Table 1. Related parameters at different t
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Table 1. Related parameters at different t
t /m std /m num_noise
10 8.7560 8384
20 8.8364 9209
30 8.8759 9761
50 12.1134 11152
70 14.1733 12603
90 16.5762 14374
100 20.6426 14958

Table 2. Processing results of different channel data
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Table 2. Processing results of different channel data
Channel number $K_{T}$ /% $K_{R}$ /%
Channel 13 98.75 96.92
Channel 44 98.84 92.31
Channel 55 97.89 98.10
Channel 94 97.90 90.63
Channel 98 97.31 91.66

Table 3. Processing results of different channel data
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Table 3. Processing results of different channel data
Channel number $K_{T}$ /% $K_{R}$ /%
Channel 13 98.07 95.49
Channel 44 99.78 90.93
Channel 55 98.71 97.12
Channel 94 99.63 89.16
Channel 98 99.40 91.40

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Shuo Wei, Nanxiang Zhao, Yihua Hu, Minle Li, Wanshun Sun. Single-Photon Denoising Algorithm Based on Line Scanning Characteristics of Lidar Channels[J]. Laser & Optoelectronics Progress, 2022, 59(12): 1210007

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