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The ROI features and their descriptions
| Features | Description | Dimension |
|---|---|---|
| Geometry features | area, perimeter, eccentricity, circularity, major, minor, major-minor axis ratio and solidity of ROI | 8 |
| Pixel intensity statistics | mean, standard deviation, skewness, kurtosis, energy and entropy of pixels in ROI of each color channel | 18 |
| Texture features | Local binary pattern | 59 |
