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 |