Nonlinear calibration of a laser stripe profiler

Alan M. McIvor

doi:10.1117/1.1416694

Abstract

The calibration of a laser stripe profiler consisting of a laser stripe projector, camera, and linear motion table is considered. A nonlinear system model is used, which accommodates radial distortion in the camera lens. The way in which stripe data is extracted from the camera images leads to a natural formulation of the calibration problem as a nonlinear least squares problem. This can then be solved using standard techniques. The use of this nonlinear model reduces the error in the generated 3-D data by over an order of magnitude.

Citation Download Citation

Alan M. McIvor, "Nonlinear calibration of a laser stripe profiler," Optical Engineering 41(1), (1 January 2002). https://doi.org/10.1117/1.1416694

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