Dong He, Shalei Song, Binhui Wang, Xiong Cao, Zhongzheng Liu, Jinye Zhang. Multispectral LiDAR Data Intensity Calibration and Point Cloud Color Optimization[J]. Chinese Journal of Lasers, 2021, 48(11): 1110004
- Chinese Journal of Lasers
- Vol. 48, Issue 11, 1110004 (2021)
Fig. 1. Photographs of measured objects. (a) 24 standard color card; (b) map
Fig. 2. Relationship between intensity of different channels and different parameters. (a) r channel; (b) g channel; (c) b channel
Fig. 3. Intensity correction of multi-spectral LiDAR point cloud data. (a) Original point cloud; (b) intensity corrected point cloud
Fig. 4. Reconstruction and optimization of color card and map point cloud color. (a) Point cloud for colour reconstruction; (b) point cloud with color optimization
Fig. 5. Chromatic aberration results before and after 2000 point optimization of color card blocks. (a) Ratio of color difference reduction; (b) acceptable proportion of color difference
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