Fig. 8From: Extraction and restoration of scratched murals based on hyperspectral imaging—a case study of murals in the East Wall of the sixth grotto of Yungang Grottoes, Datong, ChinaTop ten components obtained by the PCA transformation (a 1st component; b 2nd component; c 3rd component; d 4th component; e 5th component; f 6th component; g 7th component; h 8th component; i 9th component; j 10th component)Back to article page