Fig. 4From: Intensity-curvature functional based digital high pass filter of the bivariate cubic B-spline model polynomial function(a), (a1), (a2): Traditional HPF images of Figs. 3 (a), (a1), (a2), respectively. (b), (b1), (b2): Transfer function images of the traditional HPF images. (c), (c1), (c2): k-space magnitude of the traditional HPF imagesBack to article page