Research Article
An Improved Multithreshold Segmentation Algorithm Based on Graph Cuts Applicable for Irregular Image
Table 6
Structural Similarity Index (SSIM) of different segmented images using various algorithm.
| Image | level | Our algorithm | BA | MMSA | IBA | OTSU |
| LENA (512×512) | 2 | 0.56 | 0.54 | 0.55 | 0.54 | 0.55 | 3 | 0.74 | 0.72 | 0.73 | 0.72 | 0.74 | 4 | 0.81 | 0.78 | 0.79 | 0.78 | 0.80 | 5 | 0.90 | 0.87 | 0.88 | 0.87 | 0.89 | PEPPERS (512×512) | 2 | 0.63 | 0.61 | 0.61 | 0.62 | 0.63 | 3 | 0.78 | 0.75 | 0.75 | 0.77 | 0.78 | 4 | 0.85 | 0.82 | 0.82 | 0.83 | 0.84 | 5 | 0.94 | 0.90 | 0.91 | 0.92 | 0.93 | BIRD (256×256) | 2 | 0.57 | 0.56 | 0.55 | 0.56 | 0.57 | 3 | 0.68 | 0.66 | 0.65 | 0.66 | 0.68 | 4 | 0.87 | 0.84 | 0.83 | 0.85 | 0.86 | 5 | 0.91 | 0.88 | 0.87 | 0.89 | 0.90 | CAMERA (256×256) | 2 | 0.71 | 0.69 | 0.70 | 0.69 | 0.70 | 3 | 0.81 | 0.77 | 0.78 | 0.77 | 0.79 | 4 | 0.94 | 0.91 | 0.92 | 0.91 | 0.93 | 5 | 0.97 | 0.94 | 0.93 | 0.94 | 0.96 | GOLDHILL (256×256) | 2 | 0.55 | 0.54 | 0.54 | 0.53 | 0.55 | 3 | 0.78 | 0.76 | 0.76 | 0.75 | 0.77 | 4 | 0.85 | 0.83 | 0.84 | 0.82 | 0.84 | 5 | 0.91 | 0.88 | 0.89 | 0.88 | 0.90 | 24077 | 2 | 0.79 | 0.79 | 0.78 | 0.78 | 0.78 | (481×321) | 3 | 0.84 | 0.83 | 0.83 | 0.84 | 0.82 | | 4 | 0.88 | 0.86 | 0.86 | 0.85 | 0.86 | | 5 | 0.94 | 0.93 | 0.93 | 0.92 | 0.93 | 89072 | 2 | 0.62 | 0.62 | 0.62 | 0.62 | 0.62 | (321×481) | 3 | 0.76 | 0.75 | 0.74 | 0.75 | 0.74 | | 4 | 0.82 | 0.81 | 0.80 | 0.81 | 0.82 | | 5 | 0.88 | 0.87 | 0.86 | 0.87 | 0.87 | 42049 | 2 | 0.76 | 0.75 | 0.76 | 0.76 | 0.76 | (481×321) | 3 | 0.83 | 0.82 | 0.81 | 0.82 | 0.83 | | 4 | 0.92 | 0.92 | 0.91 | 0.92 | 0.92 | | 5 | 0.97 | 0.95 | 0.96 | 0.96 | 0.97 | 86016 | 2 | 0.54 | 0.54 | 0.54 | 0.54 | 0.54 | (481×321) | 3 | 0.66 | 0.65 | 0.64 | 0.64 | 0.66 | | 4 | 0.73 | 0.73 | 0.71 | 0.71 | 0.73 | | 5 | 0.92 | 0.90 | 0.91 | 0.90 | 0.89 | 54082 | 2 | 0.32 | 0.31 | 0.31 | 0.31 | 0.30 | (321×481) | 3 | 0.38 | 0.37 | 0.37 | 0.37 | 0.36 | | 4 | 0.60 | 0.59 | 0.59 | 0.58 | 0.56 | | 5 | 0.92 | 0.91 | 0.91 | 0.91 | 0.90 | 21077 | 2 | 0.48 | 0.48 | 0.48 | 0.47 | 0.47 | (481×321) | 3 | 0.73 | 0.72 | 0.71 | 0.71 | 0.71 | | 4 | 0.89 | 0.88 | 0.88 | 0.87 | 0.87 | | 5 | 0.93 | 0.92 | 0.92 | 0.91 | 0.91 | 160068 | 2 | 0.61 | 0.60 | 0.59 | 0.59 | 0.60 | (481×321) | 3 | 0.67 | 0.65 | 0.64 | 0.64 | 0.64 | | 4 | 0.72 | 0.69 | 0.69 | 0.69 | 0.68 | | 5 | 0.77 | 0.74 | 0.73 | 0.73 | 0.73 | 37073 | 2 | 0.33 | 0.32 | 0.32 | 0.31 | 0.32 | (481×321) | 3 | 0.66 | 0.65 | 0.64 | 0.64 | 0.65 | | 4 | 0.82 | 0.80 | 0.80 | 0.80 | 0.81 | | 5 | 0.89 | 0.87 | 0.87 | 0.87 | 0.88 | 66053 | 2 | 0.47 | 0.44 | 0.44 | 0.44 | 0.45 | (481×321) | 3 | 0.79 | 0.77 | 0.77 | 0.77 | 0.78 | | 4 | 0.84 | 0.82 | 0.82 | 0.81 | 0.83 | | 5 | 0.88 | 0.86 | 0.86 | 0.85 | 0.87 | 304074 | 2 | 0.55 | 0.54 | 0.55 | 0.54 | 0.54 | (321×481) | 3 | 0.69 | 0.65 | 0.66 | 0.65 | 0.66 | | 4 | 0.78 | 0.75 | 0.77 | 0.76 | 0.77 | | 5 | 0.86 | 0.82 | 0.83 | 0.82 | 0.82 |
|
|