Research Article

A Coordinate Descent Method for Total Variation Minimization

Table 3

SSIM comparisons of different noise levels.

ImageMethodAnisotropic TVIsotropic TV
0.050.100.150.200.050.100.150.20

CoupleCGC0.9280.8380.7440.689
CPD0.9300.8370.7460.6890.9310.8520.7690.713
CFP0.9290.8370.7480.6920.930.8500.7660.710
CoD0.9310.8400.7600.6990.9310.8540.7810.726

ManCGC0.9270.8420.7650.725
CPD0.9300.8450.7770.7260.9330.8600.7950.744
CFP0.9290.8450.7780.7230.9320.8580.7920.735
CoD0.9300.8380.7710.7250.9320.8560.7950.738

HillCGC0.9200.8270.7420.705
CPD0.9210.8300.760.7130.9230.8450.7760.727
CFP0.9210.8310.7630.7140.9230.8440.7750.723
CoD0.9240.8290.7610.7040.9240.8460.7830.727

BoatCGC0.9260.8440.7640.707
CPD0.9310.8460.7680.7080.9330.8590.7890.731
CFP0.9300.8450.7670.7030.9320.8560.7830.720
CoD0.9290.8380.7650.7060.9320.8560.7890.728

Avg.CGC0.9250.8380.7640.706
CPD0.9280.8390.7630.7090.9300.8540.7820.729
CFP0.9270.8390.7640.7080.9290.8520.7790.722
CoD0.9290.8360.7620.7070.9300.8530.7870.730