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Proceedings Paper

Design of a commercial optical instrument for surface roughness measurement
Author(s): Shou-Bin Liu; Hui-Fen Yu
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Paper Abstract

The design of an intelligent optical instrument for surface roughness measurement is given in this paper. The approach is obtainment of a profile image by light-sectioning method, digitization of the profile image with a camera and an image sampling board, and calculation of roughness parameters with a computer. Principles of measurement range design, camera choosing, thresholding, hardware design and software design etc. are discussed and calibration methods are analyzed. Based on these principles, a commercial optical instrument has been developed whose measurement height is in the range of 0.4 to 120 micrometers . Appearance of the instrument and measuring results are also provided in this paper.

Paper Details

Date Published: 4 January 1995
PDF: 11 pages
Proc. SPIE 2349, Industrial Optical Sensors for Metrology and Inspection, (4 January 1995); doi: 10.1117/12.198686
Show Author Affiliations
Shou-Bin Liu, Shandong Univ. of Technology (China)
Hui-Fen Yu, Shandong Univ. of Technology (China)


Published in SPIE Proceedings Vol. 2349:
Industrial Optical Sensors for Metrology and Inspection
Kevin G. Harding; H. Philip Stahl, Editor(s)

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