Research Article
Minimum Error Thresholding Segmentation Algorithm Based on 3D Grayscale Histogram
Table 1
Measures of the unsupervised evaluation criteria.
| ā | ā | 2D Otsu | 2D maximum entropy | 2D-MET | 3D-MET |
| SAR1 | IRC | 0.375 | 0.43 | 0.617 | 0.662 | IRU | 0.671 | 0.715 | 0.977 | 0.993 | IIC | 0.523 | 0.573 | 0.797 | 0.828 |
| SAR2 | IRC | 0.358 | 0.418 | 0.589 | 0.671 | IRU | 0.629 | 0.694 | 0.898 | 0.989 | IIC | 0.494 | 0.524 | 0.744 | 0.83 |
| License 1 | IRC | 0.427 | 0.323 | 0.603 | 0.615 | IRU | 0.751 | 0.573 | 0.937 | 0.991 | IIC | 0.589 | 0.448 | 0.77 | 0.803 |
| License 2 | IRC | 0.311 | 0.512 | 0.581 | 0.631 | IRU | 0.341 | 0.764 | 0.881 | 0.988 | IIC | 0.336 | 0.638 | 0.731 | 0.81 |
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