Table 4.
Evaluation of performance measures for the original Otsu method, the modified Otsu method [3], and the proposed model.
| Original Otsu | Modified Otsu [3] | The Proposed Model | |||
|---|---|---|---|---|---|
| Images/Evaluation | Average Metrics |
Average Metrics | Accuracy Increase rate |
Average Metrics | Accuracy Increase rate |
| MRI Brain Tumor/Unsupervised | 0.87028 | 0.8681 | −0.25% | 0.88931 | 2.19% |
| MRI Brain Tumor/Supervised | 0.88177 | 0.87903 | −0.31% | 0.90208 | 2.30% |
| Simulated Images/Unsupervised | 0.87593 | 0.87470 | −0.14% | 0.91097 | 4.00% |
| Simulated Images/Evaluation | 0.89298 | 0.89109 | −0.21% | 0.91208 | 2.13% |