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| Features | Definition | Description |
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| Histogram | Mean | | The mean value of the histogram distribution |
| Stddev | | The square root of the variance |
| Variance | | The amount of variation of the histogram distribution |
| Skewness | | The asymmetry of the histogram distribution |
| Kurtosis | | The flatness of the histogram distribution |
| Energy | | The uniformity of the histogram distribution |
| Entropy | | The randomness of the histogram distribution |
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| LCM | Contrast | | The local variation of voxel pairs |
| Dissimilarity | | The variation of voxel pairs |
| Homogeneity | | The homogeneity of voxel pairs |
| Angular second moment (ASM) | | The uniformity of voxel pairs |
| Energy | | Square root of the ASM |
| Probability max | | High max value of voxel pairs |
| Entropy | | The randomness of voxel pairs |
| Correlation | | The linear dependency of gray levels |
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| GLRLM | Long runs emphasis (LRE) | | The distribution of the long run length |
| Gray-level nonuniformity (GLN) | | The nonuniformity of the gray level |
| Run length nonuniformity (RLN) | | The nonuniformity of the run length |
| Low-gray-level run emphasis (LGRE) | | The distribution of the low gray level groups |
| High-gray-level run emphasis (HGRE) | | The distribution of the high gray level groups |
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