Table 2.
Selected features for machine learning models.
| MRI Sequence | Wavelet | Quantization | Type | Name | Frequency |
|---|---|---|---|---|---|
| GdT1 | HLL | - | Intensity | Mean | 2 |
| HHL | 4-bit (16) | GLCM | Correlation | 2 | |
| HLH | 4-bit (16) | GLSZM | High gray-level zone emphasis (HGZE) | 1 | |
| LLL | 4-bit (16) | GLSZM | Zone size variance (ZSV) | 1 | |
| LLL | 5-bit (32) | GLSZM | Low gray-level zone emphasis (LGZE) | 1 | |
| LLH | 7-bit (128) | GLRLM | Gray-level variance (GLV) | 1 | |
| LHH | - | Intensity | Skewness | 1 | |
| T2 | LHL | 4-bit (16) | GLSZM | Gray-level non-uniformity (GLN) | 2 |
| HHH | 4-bit (16) | GLRLM | Gray-level non-uniformity (GLN) | 1 |