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. Author manuscript; available in PMC: 2021 Aug 23.
Published in final edited form as: Med Phys. 2020 Dec 4;47(12):6039–6052. doi: 10.1002/mp.14556

TABLE 1.

Summary of the radiomic features extracted in this study and the associated input parameters.

Feature family Total features Description Parameters

Morphology 19 Geometric properties of the ROI -
Intensity 20 Intensity distribution within the ROI -
Histogram 503 Intensity distribution within the ROI after bin quantization B ∈ {16,32,64,128}
COLLAGE 104 Quantifies heterogeneity of local gradient orientations within w w ∈ {3,5}
GLCM 72 Distribution of discretized intensities of neighboring voxels along all directions within the ROI B ∈ {16,32,64,128}
R ∈ {1,2,3}
GLRLM 90 Distribution of discretized intensities in all directions across run lengths within the ROI B ∈ {16,32,64,128}
R ∈ {1,2,3}
GLSZM 162 Number of groups (or zones) of neighboring discretized voxels within
the ROI
B ∈ {16,32,64,128}
R ∈ {1,2,3}
NGTDM 5 Number of groups of
neighboring discretized voxels within the ROI, within a Chebyshev distance
B ∈ {16,32,64,128}
R ∈ {1,2,3}