Fig. 4From: Energy enhanced tissue texture in spectral computed tomography for lesion classificationIllustration of grey level co-occurrence matrices of 2 dimensional /3 dimensional images. Left pannel: 2 dimensional grey level co-occurrence matrices (GLCM) calculation; Middle pannel: 3 dimensional GLCM calculation; Right pannel: A GLCM example when angle(θ) = 0°, displacement(d) = 1Back to article page