Table 1.
Feature type | Feature subtype | Features | Total |
---|---|---|---|
Architecture |
Voronoi Diagram |
Area, chord length, perimeter |
12 |
|
Delaunay Triangulation |
Area, perimeter |
8 |
|
Minimum Spanning Tree |
Branch Length |
4 |
|
Nuclear Density |
Nearest Neighbors, distance to neighbors |
24 |
Texture |
First-Order |
Statistics, Sobel and Kirsch filters, Gradients |
135 |
|
Co-occurrence |
Autocorrelation, Contrast, Correlation, Cluster |
189 |
|
|
Prominence, Cluster Shade, Dissimilarity, |
|
|
|
Energy, Entropy, Homogeneity, Maximum |
|
|
|
probability, Variance, Sum average, Sum |
|
|
|
variance, Sum entropy, Difference variance, |
|
|
|
Difference entropy, two information measures |
|
|
|
of correlation, Inverse difference, Normalized |
|
|
|
inverse difference, inverse difference moment |
|
Steerable Filter | Frequency and Orientation Parameters | 216 |
List of the features used in this study, broken into architectural and texture features.