Research and Application of Ancient Chinese Pattern Restoration Based on Deep Convolutional Neural Network

Table 1

The evaluation index of method 1, method 2, and the method of this article.

Method	L1 loss (%)	L2 loss (%)	PSNR	TV loss (%)
Method 1	17.7	4.6	14.31	29.2
Method 2	10.6	2.5	20.26	25.5
Method of this article	8.3	2.1	22.92	24.8