Research Article
A Coordinate Descent Method for Total Variation Minimization
Table 3
SSIM comparisons of different noise levels.
| Image | Method | Anisotropic TV | Isotropic TV | 0.05 | 0.10 | 0.15 | 0.20 | 0.05 | 0.10 | 0.15 | 0.20 |
| Couple | CGC | 0.928 | 0.838 | 0.744 | 0.689 | — | — | — | — | CPD | 0.930 | 0.837 | 0.746 | 0.689 | 0.931 | 0.852 | 0.769 | 0.713 | CFP | 0.929 | 0.837 | 0.748 | 0.692 | 0.93 | 0.850 | 0.766 | 0.710 | CoD | 0.931 | 0.840 | 0.760 | 0.699 | 0.931 | 0.854 | 0.781 | 0.726 |
| Man | CGC | 0.927 | 0.842 | 0.765 | 0.725 | — | — | — | — | CPD | 0.930 | 0.845 | 0.777 | 0.726 | 0.933 | 0.860 | 0.795 | 0.744 | CFP | 0.929 | 0.845 | 0.778 | 0.723 | 0.932 | 0.858 | 0.792 | 0.735 | CoD | 0.930 | 0.838 | 0.771 | 0.725 | 0.932 | 0.856 | 0.795 | 0.738 |
| Hill | CGC | 0.920 | 0.827 | 0.742 | 0.705 | — | — | — | — | CPD | 0.921 | 0.830 | 0.76 | 0.713 | 0.923 | 0.845 | 0.776 | 0.727 | CFP | 0.921 | 0.831 | 0.763 | 0.714 | 0.923 | 0.844 | 0.775 | 0.723 | CoD | 0.924 | 0.829 | 0.761 | 0.704 | 0.924 | 0.846 | 0.783 | 0.727 |
| Boat | CGC | 0.926 | 0.844 | 0.764 | 0.707 | — | — | — | — | CPD | 0.931 | 0.846 | 0.768 | 0.708 | 0.933 | 0.859 | 0.789 | 0.731 | CFP | 0.930 | 0.845 | 0.767 | 0.703 | 0.932 | 0.856 | 0.783 | 0.720 | CoD | 0.929 | 0.838 | 0.765 | 0.706 | 0.932 | 0.856 | 0.789 | 0.728 |
| Avg. | CGC | 0.925 | 0.838 | 0.764 | 0.706 | — | — | — | — | CPD | 0.928 | 0.839 | 0.763 | 0.709 | 0.930 | 0.854 | 0.782 | 0.729 | CFP | 0.927 | 0.839 | 0.764 | 0.708 | 0.929 | 0.852 | 0.779 | 0.722 | CoD | 0.929 | 0.836 | 0.762 | 0.707 | 0.930 | 0.853 | 0.787 | 0.730 |
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