Subsurface Damage: Comparison of Automated and Visual Measurements

Matthew T. Chang; John E. Greivenkamp; Arne Lindquist; Tim M. Rich

doi:10.1364/OFT.1994.OMD4

Optical Fabrication and Testing Workshop
Technical Digest Series (Optica Publishing Group, 1994),
paper OMD4
•https://doi.org/10.1364/OFT.1994.OMD4

Subsurface Damage: Comparison of Automated and Visual Measurements

Matthew T. Chang, John E. Greivenkamp, Arne Lindquist, and Tim M. Rich

Optical Fabrication and Testing 1994

Rochester, New York United States
6–9 June 1994
ISBN:

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Surface and Subsurface Characteristics (OMD)

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M. T. Chang, J. E. Greivenkamp, A. Lindquist, and T. M. Rich, "Subsurface Damage: Comparison of Automated and Visual Measurements," in Optical Fabrication and Testing Workshop, Technical Digest Series (Optica Publishing Group, 1994), paper OMD4.

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Abstract

An automated PC-based machine vision system has been developed for measuring subsurface damage in glass based on the ball dimpling method [1,2]. The software automatically processes an image of the dimple and returns the SSD value. This paper provides a preliminary comparison of the result from this system and the result obtained by conventional visual measurements.

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