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Sensors 2015, 15(8), 19750-19767; doi:10.3390/s150819750

Shaft Diameter Measurement Using Structured Light Vision

College of Mechanical Science and Engineering, Jilin University, Changchun 130022, China
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Author to whom correspondence should be addressed.
Academic Editor: Vittorio M. N. Passaro
Received: 9 April 2015 / Revised: 1 August 2015 / Accepted: 6 August 2015 / Published: 12 August 2015
(This article belongs to the Section Physical Sensors)
View Full-Text   |   Download PDF [1464 KB, uploaded 12 August 2015]   |  

Abstract

A method for measuring shaft diameters is presented using structured light vision measurement. After calibrating a model of the structured light measurement, a virtual plane is established perpendicular to the measured shaft axis and the image of the light stripe on the shaft is projected to the virtual plane. On the virtual plane, the center of the measured shaft is determined by fitting the projected image under the geometrical constraints of the light stripe, and the shaft diameter is measured by the determined center and the projected image. Experiments evaluated the measuring accuracy of the method and the effects of some factors on the measurement are analyzed. View Full-Text
Keywords: image measurement; shaft diameter; structured light vision image measurement; shaft diameter; structured light vision
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Liu, S.; Tan, Q.; Zhang, Y. Shaft Diameter Measurement Using Structured Light Vision. Sensors 2015, 15, 19750-19767.

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