Calibration procedure for 3D measurement systems using two cameras and a laser line |
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| Authors: | Joo L Vilaa Jaime C Fonseca Antnio M Pinho |
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| Institution: | aIndustrial Electronic Department, University of Minho, Campus Azurem, 4800-058 Guimarães, Portugal;bMechanical Engineering Department, Minho University, Campus Azurem, 4800-058 Guimarães, Portugal |
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| Abstract: | In order to ensure the precision of the measurement of complex 3D object surfaces using non-contact laser scanning systems, a novel stereo vision calibration procedure based on a laser line projection plane is presented. This calibration procedure can also be used in measurement systems based on a single camera and a laser line projection. This procedure, while using only laser-coplanar points, is oriented towards laser line detection and allows the matching of two images on the laser projection plane without the use of a rigid motion equation. These features make this procedure very precise, simple and, consequently, easier to implement. |
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| Keywords: | Calibration Laser line detection 3D measurements |
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