1. Developing an engineering shape benchmark for CAD models
- Author
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Jayanti, Subramaniam, Kalyanaraman, Yagnanarayanan, Iyer, Natraj, and Ramani, Karthik
- Subjects
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ENGINEERING , *BENCHMARKING (Management) , *COMPUTER-aided design , *MECHANICAL engineering - Abstract
Abstract: Three-dimensional shape retrieval is a problem of current interest in several different fields, especially in the mechanical engineering domain. There exists a large body of work in developing representations for 3D shapes. However, there has been limited work done in developing domain-dependent benchmark databases for 3D shape searching. We propose a benchmark database for evaluating shape-based search methods relevant to the mechanical engineering domain. Twelve different shape descriptors belonging to three categories, namely: (1) feature vector-based, (2) histogram-based, and (3) view-based, are compared using the benchmark database. The main contributions of this paper are the development of a new engineering shape benchmark and an understanding of the effectiveness of different shape representations for classes of engineering parts. Overall, it was found that view-based representations yielded better retrieval results for a majority of shape classes, while no single method performed best for all shape categories. [Copyright &y& Elsevier]
- Published
- 2006
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