Fig. 10From: An improved nonlinear diffusion in Laplacian pyramid domain for cone beam CT denoising during image-guided vascular interventionComparison of sharpness for a low-contrast edge. a-f Enlarged ROI4 of the original image and the filtered image by PM, NCDF, BF, NLMF, and LPMND, respectively. g The plot shows the corresponding sharpness estimates along the edge (indicated by red curve) for different filtered image. h Comparison of horizontal profiles, indicated by the blue line in Fig. 10aBack to article page