From: Ancient mural classification methods based on a multichannel separable network
1
2
3
4
2A + 5B + 2C
3A + 5B + 2C
3A + 5B + 3C
3A + 5B + 1C
5
6
7
8
3A + 3B + 2C
3A + 6B + 2C
3A + 6B + 3C
2A + 4B + 2C