Application Of Grating Methods For Testing Of Material And Quality Control Including Digital Image Processing

Klaus Andresen; Reinhold Ritter; Rainer Schuetze

doi:10.1117/12.952384

16 July 1986 Application Of Grating Methods For Testing Of Material And Quality Control Including Digital Image Processing

Klaus Andresen, Reinhold Ritter, Rainer Schuetze

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Proceedings Volume 0599, Optics in Engineering Measurement; (1986) https://doi.org/10.1117/12.952384
Event: 1985 International Technical Symposium/Europe, 1985, Cannes, France

Abstract

An optical method for slope measurement based on the reflection grating method is presented. By integration of the slope the out-of-plane deformation of the considered object surface can be determined. Applying picture processing to the image of the reflected grating lines, the method is suitable for automatic testing in labs and production environments. Two examples, delamination of multilayer tension specimen and quality control of lacquered surfaces, are described in detail.

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Klaus Andresen, Reinhold Ritter, and Rainer Schuetze "Application Of Grating Methods For Testing Of Material And Quality Control Including Digital Image Processing", Proc. SPIE 0599, Optics in Engineering Measurement, (16 July 1986); https://doi.org/10.1117/12.952384

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