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Small-scale feature removal in propeller inspection

[+] Author Affiliations
David W. Allen

Propulsor Technology, Inc., 100 Emerson Lane, Suite 1503, Bridgeville, Pennsylvania 15017-1269

Jacob J. Reiser

Propulsor Technology, Inc., 100 Emerson Lane, Suite 1503, Bridgeville, Pennsylvania 15017-1269

James D. Machin

Propulsor Technology, Inc., 100 Emerson Lane, Suite 1503, Bridgeville, Pennsylvania 15017-1269

Michael K. Koehler

Propulsor Technology, Inc., 1340 Braddock Place, Suite 100, Alexandria, Virginia 22314-1651

Craig J. Madden

Naval Surface Warfare Center, Carderock Division, 9500 MacArthur Boulevard, West Bethesda, Maryland 20817-5700

J. Electron. Imaging. 21(3), 033002 (Jul 09, 2012). doi:10.1117/1.JEI.21.3.033002
History: Received January 16, 2012; Revised May 8, 2012; Accepted May 30, 2012
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Abstract.  Range scanner inspection of manufactured artifacts like propeller blades produces data used to determine conformity to design. Inspection data contain both large- and small-scale feature information. Because small-scale feature information is irrelevant to analysis of large-scale features, determination of large-scale shape conformance is easier if small-scale information is removed. We discuss the combination of registration and smoothing methods that have been implemented in software for analysis of large-scale shape conformance of manufactured marine propeller blades. We show that although inspection systems produce errors and noise, we are able to create surfaces that accurately represent actual artifact large-scale features. To our knowledge the implementation of these methods has not been accomplished previously in an industrial inspection environment.

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© 2012 SPIE and IS&T

Citation

David W. Allen ; Jacob J. Reiser ; James D. Machin ; Michael K. Koehler and Craig J. Madden
"Small-scale feature removal in propeller inspection", J. Electron. Imaging. 21(3), 033002 (Jul 09, 2012). ; http://dx.doi.org/10.1117/1.JEI.21.3.033002


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