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Table 1 Scoring system for the image quality parameters

From: Comparison of image quality and in vivo appearance of the normal equine nasal cavities and paranasal sinuses in computed tomography and high field (3.0 T) magnetic resonance imaging

Score Image noise Image sharpness Image contrast
0
-
poor quality
very high image noise level low image sharpness low image contrast
1
-
moderate quality
high image noise level moderate image sharpness moderate image contrast
2
-
satisfying quality
moderate image noise level satisfying image sharpness satisfying image contrast
3
-
good quality
no image noise high image sharpness high image contrast