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Table 3 Various shape and margin features

From: Comparative analysis of proficiencies of various textures and geometric features in breast mass classification using k-nearest neighbor

Features models

Feature index

Shape features

F46-F58 (area, major axis length, minor axis length, eccentricity, orientation, convex area, filled area, Euler number, equiv. diameter, solidity, extent, perimeter, perimeter cirratio)

Zernike moments

F59-F73

Fourier descriptors

F74-F125