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TECHNICAL PAPERS

Feature Based Shape Similarity Measurement for Retrieval of Mechanical Parts

[+] Author and Article Information
Madhumati Ramesh, Derek Yip-Hoi, Debasish Dutta

Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109-2125

J. Comput. Inf. Sci. Eng 1(3), 245-256 (Aug 01, 2001) (12 pages) doi:10.1115/1.1412456 History: Received December 01, 2000; Revised August 01, 2001
Copyright © 2001 by ASME
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References

Figures

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Example of a classification scheme
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Shape representation for similarity measurement
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Examples of valid and invalid cells (cells=light shaded area)
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Cell types and Seed cells
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Examples of face visibility
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Use of face visibility for eliminating redundant faces and non-maximal cells
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Method for part decomposition
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Classification of faces
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Classification of non-convex and convex cylindrical faces
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Definition of primitive for face class 7
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Primitives for cylindrical faces
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Geometrically similar features
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Face adjaceny graphs and relative angles for mapping features
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Examples of T-groups and S-groups of slots and holes on the example part
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Example of directional distribution
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Examples of feature existence, feature count, feature direction and feature size
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Dij=Y if characteristic i can be derived from characteristic j (else N)
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Example of relative orientation
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Example of size distribution

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