3D Texture Analysis in Renal Cell Carcinoma Tissue Image Grading

Table 9

The list of the 3D texture features extracted.

Features

Equations

3D GLCM^{1}

Angular second moment (also called energy)

Entropy

Correlation

Contrast

Variance

Sum mean

Sum variance

Cluster shade

Cluster tendency

Second-order inverse difference moment (also called homogeneity)

Peak transition probability

Second-order diagonal moment

3D Wavelet^{2}

Energy for 8 subbands (WEN1~8)

Entropy for 8 subbands (WET1~8)

represents a cooccurrence matrix. . represents a 3D matrix for a certain band.

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