Fig. 8
From: Blind blur assessment of MRI images using parallel multiscale difference of Gaussian filters
a Short axis cardiac MRI slice and its degraded versions at Gaussian blur levels b 4, c 7, d 10, e 13 and f 15, g variation of image features of each slice from the output of the low energy Gaussian filter at different Gaussian scales. h Variation of image features of each slice from the output of the high energy Gaussian filter at different Gaussian scales. i Contrast, sharpness and total quality scores for different levels of Gaussian blur