Fig. 13From: An improved nonlinear diffusion in Laplacian pyramid domain for cone beam CT denoising during image-guided vascular interventionComparison of slice 29. Display window: [− 1024 HU, 1976 HU]. (a) Original image, (b)-(f) images filtered by PM, NCDF, BF, NLMF, and LPMND, respectivelyBack to article page