Three-dimensional skeletonization using distance transform

Kai Qian; Siqi Cao; Prabir Bhattacharya

doi:10.1117/12.316415

6 July 1998 Three-dimensional skeletonization using distance transform

Kai Qian, Siqi Cao, Prabir Bhattacharya

Proceedings Volume 3387, Visual Information Processing VII; (1998) https://doi.org/10.1117/12.316415
Event: Aerospace/Defense Sensing and Controls, 1998, Orlando, FL, United States

Abstract

Skeletonization as a tool for quantitative analysis of three- dimensional (3D) images is becoming more important, as they are more common in a number of application fields, especially in biomedical tomographic images at different scales. Here we propose a method, which computes both surface and curve skeletons of 3D binary images. The distance transform algorithm is applied to reduce a 3D object to a 2D surface skeleton, an then to a 1D curve skeleton in two phases. In surface skeletonization, 6-connectivity is used in distance transform; while in curve skeletonization, 18-connectivity is used in computing distance transform. Some examples are discussed to illustrate the algorithm.

Citation Download Citation

Kai Qian, Siqi Cao, and Prabir Bhattacharya "Three-dimensional skeletonization using distance transform", Proc. SPIE 3387, Visual Information Processing VII, (6 July 1998); https://doi.org/10.1117/12.316415

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