Research Article
Multilevel Thresholding for Image Segmentation Using Mean Gradient
Table 2
Performance metrics for some images in the H-DIBCO database using the proposed method.
| Image | Precision | Recall | F1-measure | RMSE | PSNR | K |
| 01.bmp | 0.9396 | 0.9948 | 0.9664 | 0.2502 | 60.1652 | 0.75 | 02.bmp | 0.9641 | 0.9967 | 0.9802 | 0.1903 | 62.5415 | 0.75 | 03.bmp | 0.9558 | 0.9966 | 0.9758 | 0.2136 | 61.5370 | 0.75 | 04.bmp | 0.9687 | 0.9942 | 0.9813 | 0.1889 | 62.6065 | | 05.bmp | 0.9734 | 0.9981 | 0.9856 | 0.1676 | 63.6442 | | 06.bmp | 0.8562 | 0.9834 | 0.9154 | 0.3760 | 56.6267 | | 07.bmp | 0.8731 | 0.9862 | 0.9262 | 0.3527 | 57.1819 | | 08.bmp | 0.9657 | 0.9924 | 0.9789 | 0.1987 | 62.1681 | 0.4 |
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