Quality analysis on the image greyscale for the close-range photogrammetry based on the spectrum fusion method
ZAHNG Chen, WU Zhaofu, HUANG Jianwei, YU Min, WANG Lu, LI Shuiping
Bulletin of Surveying and Mapping . 2023, (4): 154 -158 .  DOI: 10.13474/j.cnki.11-2246.2023.0121