Reproducibility of radiomic features of the brain on ultrahigh-resolution MRI at 7 Tesla: a comparison of different segmentation techniques
Julian H. Klinger,
Doris Leithner,
Sungmin Woo
et al.
Abstract:ObjectivesTo determine the impact of segmentation techniques on radiomic features extracted from ultrahigh-field (UHF) MRI of the brain.Materials and MethodsTwenty-one 7T MRI scans of the brain, including a 3D magnetization-prepared two rapid acquisition gradient echo (MP2RAGE) T1-weighted sequence with an isotropic 0.63 mm³ voxel size, were analyzed. Radiomic features (histogram, texture, and shape; total n=101) from six brain regions -cerebral gray and white matter, basal ganglia, ventricles, cerebellum, and… Show more
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