Fig. 7From: Standardized quality metric system for structural brain magnetic resonance images in multi-center neuroimaging studya A T2 weighted slice degraded by circular averaging filter of radius (b) 5, (c) 8, (d) 10, (e) 13 and (f) 15 pixels. g variation of the luminance contrast, texture, texture contrast, lightness and total quality scores with blur levels increasing from 1 to 15Back to article page