关键词: 关键词: 医学图像, 骨组织, 三维重建, 三角片模型, 快速成型, 分层轮廓

Abstract: Abstract: Aiming at the key technology of medical three-dimensional (3D) printing applied in bone tissue, a method for simplifying the layered process of triangle mesh is proposed in this paper. This method used the Marching Cubes (MC) algorithm to reconstruct the medical image sequences, the triangle mesh is grouped into triangle arrays according to the order of the reconstruction process. And then, the intersection point between the slice plane and the triangle array are calculated by edge tracing. It is found that the layered efficiency of simplified process is increased by 4.65% compared with the triangular mesh stereolithography (STL) model averagely. The experimental results indicate that this method can generate contour data for 3D printing directly from medical image sequences of human bone tissues. The filled contour can be directly printed by 3D printer, which can realize the rapid prototyping of bone tissue.

Key words: Keywords: Medical imaging, bone tissue, 3D reconstruction, Triangular facet model, rapid prototyping, slicing profile