Mining 3D Shape Data for Morphometric Pattern Discovery

Mining 3D Shape Data for Morphometric Pattern Discovery

Li Shen (University of Massachusetts Dartmouth, USA) and Fillia Makedon (University of Texas at Arlington, USA)
Copyright: © 2009 |Pages: 7
DOI: 10.4018/978-1-60566-010-3.ch192
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Recent technological advances in 3D digitizing, noninvasive scanning, and interactive authoring have resulted in an explosive growth of 3D models in the digital world. There is a critical need to develop new 3D data mining techniques for facilitating the indexing, retrieval, clustering, comparison, and analysis of large collections of 3D models. These approaches will have important impacts in numerous applications including multimedia databases and mining, industrial design, biomedical imaging, bioinformatics, computer vision, and graphics. For example, in similarity search, new shape indexing schemes (e.g. (Funkhouser et al., 2003)) are studied for retrieving similar objects from databases of 3D models. These shape indices are designed to be quick to compute, concise to store, and easy to index, and so they are often relatively compact. In computer vision and medical imaging, more powerful shape descriptors are developed for morphometric pattern discovery (e.g., (Bookstein, 1997; Cootes, Taylor, Cooper, & Graham, 1995; Gerig, Styner, Jones, Weinberger, & Lieberman, 2001; Styner, Gerig, Lieberman, Jones, & Weinberger, 2003)) that aims to detect or localize shape changes between groups of 3D objects. This chapter describes a general shape-based 3D data mining framework for morphometric pattern discovery.
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Main Focus

Given a set of labeled 3D objects from two distinct shape classes, our task is to identify morphometric patterns that can distinguish these two classes. An important real-life application is to detect anatomical changes due to pathology in biomedical imaging. A surface-based computational framework is presented to solve this problem in three steps: data collection and preprocessing, surface modeling for feature extraction, and pattern analysis and visualization.

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