Abstract
Active vision reconstruction is widely used in industrial manufacturing and three-dimensional inspection. The reconstruction accuracy is an important problem to be investigated for the inspection process. The paper conducts an analysis study of the reconstruction error for the vision reconstruction with a planar laser, two cameras and a 3D orientation board. The variation principles of the spatial coordinates caused by the variations of the extrinsic parameters of the cameras, intrinsic parameters of the internal camera, and image coordinate points of the internal camera, are modeled and analyzed in this paper. The analysis is also proved by the verification experiments, which provides the application potential for other active-vision-based reconstructions.
Highlights
The external camera only contributes the orientation board image, which does not contain the projection laser point on the object
The analysis models are built to determine the reconstruction accuracy of the spatial coordinates reconstructed by the active vision system with two cameras and a 3D orientation reference
The influences of the structure parameters on the reconstruction accuracy are analyzed in details
Summary
The external camera only contributes the orientation board image, which does not contain the projection laser point on the object. Where XjA is the spatial coordinate of the laser point in CSEC, RC,A = r2C1,A r2C2,A r2C3,A and tC,A =
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