Table 1.

Summarization of all 125 features extracted.

No.	Feature Descriptions
Morphological Features
1	Number of fibers
2	Number of cross-links
3–4	Mean and variation of the size of pores
5	Number of pores
6–7	Mean and variation of fiber length
8–9	Mean and variation of fiber width
10	Amount of collagen
11–12	Mean and variation of cross-link spaces
13–14	Mean and variation of cross-link densities
15–16	Mean and variation of the straightness of fibers
Texture Features
17–28	Contrast, correlation, energy and homogeneity from the GLCM given three different pixel distances at two, four and eight pixels
29–34	Energy, entropy, mean, standard deviation, third moment and fourth moment of the coefficients from Fourier transform
35–94	Energy, entropy, mean, standard deviation, third moment and fourth moment of the wavelet decomposition coefficients from ten sub-images generated by Daubechies wavelet transform
95–124	Energy, entropy, mean, standard deviation, third moment and fourth moment of the magnitude of the convolution over the image with Gabor filter at five scales
3D Feature
125	Capsule thickness