Table 3.
Intra-class correlation coefficient (ICC) for texture features from baseline 1 and 2. ICC ≥ 0.8 are bolded.
| Features | ICC | |
|---|---|---|
| Gray-Level Co-occurrence Matrix (GLCM) (N = 13) | Energy | 0.41 |
| Entropy | 0.56 | |
| Correlation | 0.83 | |
| Contrast | 0.59 | |
| Homogeneity (Haralick’s) | 0.46 | |
| Variance | 0.85 | |
| Sum Mean | 0.39 | |
| Inertia | 0.59 | |
| Cluster Shade | 0.88 | |
| Cluster Tendency | 0.81 | |
| Max Probability | 0.25 | |
| Inverse Variance | 0.53 | |
| Homogeneity (Tixier) | 0.48 | |
| Gray-level Run Length Matrix (GLRLM) (N = 11) | Short Run | 0.36 |
| Long Run | 0.35 | |
| Low Gray-Level Run | 0.22 | |
| High Gray-Level Run | 0.24 | |
| Short Run Low Gray-Level | 0.24 | |
| Short Run High Gray-Level | 0.24 | |
| Long Run Low Gray-Level | 0.16 | |
| Long Run High Gray-Level | 0.31 | |
| Run Gray-Level N-Uniformity | 0.95 | |
| Run Length Non-Uniformity | 0.85 | |
| Run Percentage | 0.53 | |
| Gray-level Size Zone Matrix (GLSZM) (N = 11) | Short Zone | 0.50 |
| Long Zone | 0.86 | |
| Low Gray-Level Zone | 0.15 | |
| High Gray-Level Zone | 0.15 | |
| Short Zone Low Gray-Level | 0.10 | |
| Short Zone High Gray-Level | 0.11 | |
| Long Zone Low Gray-Level | 0.12 | |
| Long Zone High Gray-Level | 0.94 | |
| Zone Gray-Level N-Uniformity | 0.74 | |
| Zone Length Non-Uniformity | 0.44 | |
| Zone Percentage | 0.29 | |
| Neighborhood Gray-level Difference Matrix (NGLDM) (N = 5) | Coarseness | 0.94 |
| Contrast | 0.30 | |
| Busyness | NE | |
| Complexity | NE | |
| Texture Strength | 0.79 | |
| Histogram features (N = 6) | ADC Max | 0.46 |
| ADC Mean | 0.79 | |
| ADC Median | 0.80 | |
| Skewness | 0.47 | |
| Kurtosis | 0.40 | |
| Variance | 0.93 |
NE, not estimable.