Intelligent Restoration Technology of Mural Digital Image Based on Machine Learning Algorithm

Table 2

Comparison of repair performance of three methods.

Image number	PSNR comparison/%			SSIM comparison/%
	Reference [9] method	Reference [10] method	Paper method	Reference [9] method	Reference [10] method	Paper method
1	24.25	24.78	25.89	98.56	98.58	98.69
2	25.27	26.89	27.64	83.15	83.22	83.45
3	23.44	23.84	25.83	89.57	89.33	89.57
4	24.27	26.38	27.79	90.01	90.09	90.13
5	25.56	25.97	27.25	95.78	95.38	96.12
6	24.32	24.83	25.72	89.51	89.63	90.88
7	23.67	24.36	25.47	93.76	95.75	94.07
8	24.52	25.21	26.39	85.28	85.39	85.63
9	23.89	24.53	25.65	87.34	87.61	87.86
10	24.31	24.89	25.84	84.89	85.11	85.35