Table 2.

Ten‐fold, cross‐validation errors of the classification of different artifacts and regular images by the classifiers obtained by a SVM algorithm. For each section of the phantom, a different classifier is used

	Uniformity and Noise	Spatial Resolution	High‐Contrast Section	Low‐Contrast Section
Scatter	0.03	0	0	0.02
Beam Hardenig	0	0	0	0
Rings	0.2	0.06	0.03	0
Crescent Artifacts	0.45	0.36	0.39	0.38
Regular	0.1	0.14	0.23	0.28
Regular and Crescent Artifact	0.18	0.03	0.01	0.18