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Proceedings Paper

Fundamentals of on-line gauging for machine vision
Author(s): Amir R. Novini
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Paper Abstract

This paper addresses the major issues in the application of machine-vision technology as an in- process, noncontact gauging tool on the factory floor. This includes the following: (1) How can machine vision be used for an on-line gauging application? (2) What is means by the terms resolution, accuracy, repeatability, and tolerance? How do they relate to each other? (3) What are the imaging concerns, part-edge qualities, back lighting versus front lighting, TV camera usage, optical consideration, and telecentric lens (constant magnification lens)? (4) What is meant by subpixel resolution and accuracy? How can it be achieved? (5) What are the practical limits for on-line industrial machine vision gauging application? The above questions are put into perspective by examining existing applications of on-line machine-vision gauging systems.

Paper Details

Date Published: 1 September 1991
PDF: 15 pages
Proc. SPIE 1526, Industrial Vision Metrology, (1 September 1991); doi: 10.1117/12.48232
Show Author Affiliations
Amir R. Novini, Ball Corp. (United States)

Published in SPIE Proceedings Vol. 1526:
Industrial Vision Metrology
Sabry F. El-Hakim, Editor(s)

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