Table 2.
Summary of feature groups in proposed Radiomics-Driven Feature Model (RD-FM) [21]
| Feature group | Number of features | Description |
|---|---|---|
| Morphology | 3 | Area regularity (1), Perimeter regularity (2) |
| Asymmetry | 4 | Region bilateral symmetry (4) |
| Physiology | 26 | |
| Textural (1st-order) | 7 | Mean, median, standard deviation, minimum, maximum, kurtosis, skewness |
| Energy, contrast, correlation, variance, inverse difference moment normalized, sum average, | ||
| Textural (2nd-order) | 19 | Sum variance, entropy, sum entropy, difference entropy, normalized entropy, |
| Information measure of correlation, homogeneity, difference variance, | ||
| Autocorrelation, dissimilarity, cluster shade, cluster prominence, maximum probability | ||
| Size | 1 | Size of region |
| Total | 34 | All features |