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Proceedings Paper

A Novel, High Range-to-Resolution Ratio, Optical Sensing Technique for High Speed Surface Geometry Measurements
Author(s): Robert D. Lorenz
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Paper Abstract

A novel combination of image formation theory, along with optimal digital estimation theory was employed in development of a new optical probe suitable for a variety of high speed sensing applications, such as in-process manufactured part inspection. Experimental results demonstrate a robust, 40,000:1 range-to-resolution ratio. The sensing strategy also utilizes multiple, simultaneous illumination beams such that it is possible to accurately estimate surface orientation for robotic guidance applications. A significant element in this research was the development of a technique which is least influenced by surface finish roughness as commonly found on manufactured surfaces. Experimental results are provided to demonstrate the validity of the theoretical models.

Paper Details

Date Published: 22 January 1987
PDF: 8 pages
Proc. SPIE 0728, Optics, Illumination, and Image Sensing for Machine Vision, (22 January 1987); doi: 10.1117/12.937835
Show Author Affiliations
Robert D. Lorenz, University of Wisconsin-Madison (United States)

Published in SPIE Proceedings Vol. 0728:
Optics, Illumination, and Image Sensing for Machine Vision
Donald J. Svetkoff, Editor(s)

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