From: Image restoration based on sparse representation using feature classification learning
BSCB
TV
DCT
K-SVD
NLPB
Proposed method
PSNR
47.32
48.85
48.38
48.97
49.03
49.31
SSIM
0.98869
0.99356
0.99358
0.99487
0.99379
0.99538