Infrared and Laser Engineering, Volume. 54, Issue 6, 20240587(2025)
Photon-efficient lidar signal processing methods based on adaptive denoising module
Fig. 1. Comparison of data with same SNR but different accumulation times
Fig. 3. (a) Network structure of denoising block;(b) Network structure of self-attention mechanism
Fig. 4. Comparison of histogram processing results for photon histograms at different SNR. (a1)-(a2) Signal-to-noise ratio of 2∶10; (b1)-(b2) Signal-to-noise ratio of 2∶20; (c1)-(c2) Signal-to-noise ratio of 2∶50
Fig. 5. (a) Single photon lidar system equipment diagram; The photon histogram of the input from real scene (b1) and the output echo wave after network processing (b2); (c) Real scene to get data
Fig. 6. The effect of the number of denoising modules on training RMSE
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Zixun WANG, Bo LIU. Photon-efficient lidar signal processing methods based on adaptive denoising module[J]. Infrared and Laser Engineering, 2025, 54(6): 20240587
Category: Laser
Received: Jan. 24, 2025
Accepted: Jan. 23, 2025
Published Online: Jul. 1, 2025
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