Fig. 8
From: Application of hyperspectral imaging technology to digitally protect murals in the Qutan temple
The local images of four Buddhas before and after information enhancement: a local image of the first Buddha taken by ordinary digital camera; b local image of the second Buddha taken by ordinary digital camera; c local image of the third Buddha taken by ordinary digital camera; d local image of the fourth Buddha taken by ordinary digital camera; e local image of the first Buddha after image enhancement; f local image of the second Buddha after image enhancement; g local image of the third Buddha after image enhancement; h local image of the fourth Buddha after image enhancement