Skip to main content
. 2018 Aug 31;13(8):e0200730. doi: 10.1371/journal.pone.0200730

Table 3. List of extracted radiomic features.

Modality Type Features No. of Features
T2w MRI Signal intensity Voxel intensity. 13
Descriptive statistics of signal intensity Mean, median, standard deviation, range, within windows of size: 3x3, 5x5, 7x7, 9x9. 208
Entropy Entropy within window sizes of 3x3, 5x5, 7x7, 9x9. 52
Gradient features and gradient-like kernel operations Gradient (x, y, magnitude), dx, dy, ddiag, Sobel (x, y, xy, yx), Kirsch 1-3. 169
Gabor Sine, cosine, and magnitude abor filter responses for θ ∈ [0: π/8: π] × λ ∈ [2, 3, 4]. 936
Haralick texture [22] Contrast energy, contrast inverse moment, contrast average, contrast variance, contrast entropy, average, variance, entropy, energy, correlation, information measure 1, information measure 2 within windows of size 3x3 and 5x5. 338
Laws texture energy [64] Laws texture energy 5x5 kernels (25 total). 325