Table 1.
Parenchymal texture features (TF) measured in each anatomically-defined region.
| Gray-level Histogram | |
|---|---|
| TF1 | 5th Percentile |
| TF2 | 5th Mean |
| TF3 | 95th Percentile |
| TF4 | 95th Mean |
| TF5 | Entropy |
| TF6 | Kurtosis |
| TF7 | Max |
| TF8 | Mean |
| TF9 | Min |
| TF10 | Sigma |
| TF11 | Skewness |
| TF12 | Sum |
| TF13 | Median |
| Co-occurrence | |
| TF14 | Contrast |
| TF15 | Correlation |
| TF16 | Homogeneity |
| TF17 | Energy |
| TF18 | Entropy |
| TF19 | Inverse Difference Moment |
| TF20 | Cluster Shade |
| Run-length | |
| TF21 | Short Run Emphasis |
| TF22 | Long Run Emphasis |
| TF23 | Gray Level Non-uniformity |
| TF24 | Run Length Non-uniformity |
| TF25 | Run Percentage |
| TF26 | Low Gray Level Run Emphasis |
| TF27 | High Gray Level Run Emphasis |
| TF28 | Short Run Low Gray Level Emphasis |
| TF29 | Short Run High Gray Level Emphasis |
| TF30 | Long Run Low Gray Level Emphasis |
| TF31 | Long Run High Gray Level Emphasis |
| Structural | |
| TF32 | Edge-enhancing index |
| TF33 | Box-Counting Fractal Dimension |
| TF34 | Local Binary Pattern |