Table 1 List of features

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