Mínimos cuadrados para la calibración en reconstrucción 3D mediante proyección de franjas
Keywords:Profilometry, fringe analysis, 3D measurement, least squares
In surface measurement systems using the phase shift technique with fringe projection, the calibration of the system is essential to determine the relation between obtained phase and real height of the object. In this work, we present a detailed mathematical analysis for the linear calibration model. Derivation of the least squares scheme which is required for data estimation, is developed intuitively by means of using the underlying theory in numerical analysis. The calibration method is applied to the surface of a 3D object obtaining remarkable results.
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Copyright (c) 2023 Antonio Muñoz, Omar Aguilar Loreto, Jorge L. Flores
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