From: A de-noising method based on L0 gradient minimization and guided filter for ancient Chinese calligraphy works on steles
Methods
PSNR
SSIM
Zheng’s method [1]
26.801
0.9841
Zhang’s method [10]
29.010
0.9858
L0 gradient minimization [13]
27.062
0.9742
BM3D [17]
27.960
0.9801
Our prior work [11]
32.690
0.9882
Prior work [12]
32.783
0.9916
Proposed method
32.834
0.9952
