Preprocessing by <i>OR</i>.

<p>Rows represent the three classes fusiform, epithelioid and cobblestone. <i>Left</i>: original image; <i>right</i>: the three oriented images.</p

Texture descriptors and their parameter sets.

<p>Texture descriptors and their parameter sets.</p

Preprocessing by Gabor filters.

<p>Rows represent the three classes fusiform, epithelioid and cobblestone. <i>Left</i>: original image; <i>right</i>: convolved images at scale 4.</p

Comparison of <i>Full_Bsif</i> and the ensemble <i>F</i> of the best methods investigate in this section (<i>AUC</i> is reported).

<p>Comparison of <i>Full_Bsif</i> and the ensemble <i>F</i> of the best methods investigate in this section (<i>AUC</i> is reported).</p

Preprocessing by <i>Wa</i>.

<p>Rows represent the three classes fusiform, epithelioid and cobblestone. <i>Left</i>: original image; <i>right</i>: horizontal, vertical and diagonal details.</p

Class properties used for building the ground truth.

<p>Class properties used for building the ground truth.</p

Performance (<i>AUC</i>) comparison among different <i>Bsif</i>-based approaches.

<p>Performance (<i>AUC</i>) comparison among different <i>Bsif</i>-based approaches.</p

Illustrative images of the RPE maturation stages (classes).

<p>From <i>left</i> to <i>right</i>: fusiform, epithelioid, cobblestone and mixed (Fusiform and Epithelioid).</p

Performance (<i>AUC</i>) obtained coupling the best texture descriptors with different preprocessing methods.

<p>Performance (<i>AUC</i>) obtained coupling the best texture descriptors with different preprocessing methods.</p

Preprocessing approaches.

<p>Preprocessing approaches.</p