Table 2.
Number of Features Extracted in each Group Per Region of Interest (ROI) and Mammogram
| Features | ROI | Number of features per ROI | Number of features per mammogram |
|---|---|---|---|
| Shape | Binary breast region | 3 | 3 |
| Texture | Subregion* | 14 | 28 |
| Moments | Subregion* | 7 | 14 |
| Histogram | Subregion* | 5 | 10 |
| Radon | Subregion* | 10 | 20 |
| Granulometric | Fibroglandular disc | 13 | 13 |
Texture Haralick’s texture features, Histogram statistics of gray-level histogram, Moments Hu’s moment-based features, Radon Radon-domain features, Granulometric granulometric features.
*Internal or external region for craniocaudal (CC) views, and upper or lower region for mediolateral-oblique (MLO) views.