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Pyramid based methods in image processing provide a helpful framework for accelerating the propagation of information over large spatial domains, increasing the efficiency for large scale applications. Combined with an anisotropic diffusion scheme tailored to preserve the boundaries at a given level, an efficient way for enhancing large structures in 3D images is presented. In our approach, the partial differential equation defining the evolution of the intensity in the image is solved in andoi:10.1117/12.771862 dblp:conf/miip/AcostaFFSO08 fatcat:qdnlyygwp5cxfficms7p67nhpu