Construction of Simplified Boundary Surfaces from Serial-sectioned Metal Micrographs

We present a method for extracting boundary surfaces from segmented cross-section image data. We use a constrained Potts model to interpolate an arbitrary number of region boundaries between segmented images. This produces a segmented volume from which we extract a triangulated boundary surface using well-known marching tetrahedra methods. This surface contains staircase-like artifacts and an abundance of unnecessary triangles. We describe an approach that addresses these problems with a voxel-accurate simplification algorithm that reduces surface complexity by an order of magnitude. Our boundary interpolation and simplification methods are novel contributions to the study of surface extraction from segmented cross-sections. We have applied our method to construct polycrystal grain boundary surfaces from micrographs of a sample of the metal tantalum.

• Type: Conference
• Year: 2007
• Where: VIS
• Authors: Scott E. Dillard, John F. Bingert, Dan Thoma, Bernd Hamann
• Keywords: Grain Boundary Surfaces, IEEE Visualization, Segmented Cross-section Image, Triangulated Boundary Surface, VIS 2007, Visualization