Shaft Diameter Measurement Using Structured Light Vision

Sensors

Siyuan Liu²  Qingchang Tan¹  Yachao Zhang² 

[1] College of Mechanical Science and Engineering, Jilin University, Changchun 130022, China;

关键词: image measurement;    shaft diameter;    structured light vision;   

DOI  :  10.3390/s150819750

来源: mdpi

【 摘 要 】

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.

【 授权许可】

CC BY   
© 2015 by the authors; licensee MDPI, Basel, Switzerland.