Modelado tridimensional de estructuras anatómicas heterogéneas

Abstract

Three-dimensional (3D) models of anatomical structures are of great importance, especially in areas such as bioengineering, computer-assisted medicine, simulation using fi nite elements and virtual reality. However, its use is limited due to the manual processes in its construction, which is why research is required to increase the degree of automation as much as possible. This book addresses 3D modeling of heterogeneous anatomical structures from medical images using the RAM (Region Aware Modeling) method. This method applies a systematic bottom-up modeling approach based on reverse engineering, in which medical images are segmented into regions of interest, from each one a point cloud is extracted and an implicit reconstruction of the image is performed. surface; The total geometry of the anatomical structure is modeled by means of an implicit function vector (VFI). Different experiments allow us to verify the versatility of the RAM method in modeling a wide variety of geometries that have heterogeneous anatomical structures, resulting in 3D models independent of resolution and with a high level of precision, reproducibility and robustness.