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Regularization of the deflectometry problem using shading data

Konferenzbeitrag

Links:
Autoren:

Jonathan Balzer
Stefan Werling
Jürgen Beyerer

Quelle:

Huang, P. (Hrsg): Two- and Three-Dimensional Methods for Inspection and Metrology IV, Optics East, Proceedings of SPIE Vol. 6382, 2006.

Konferenz:

Optics East, Boston, 1.-4. Oktober 2006



Reconstructing a specular surface from observation of structured illumination is mathematically a severely ill-posed problem. This contribution discusses the close relationship of Shape-from-Shading and the deflectometry problem. Consequently, a novel regularization approach for partially diffuse objects is proposed in this paper. By considering different characteristic curves on the unknown surface, we estimate a set of points that the reconstruction must embed. A solution satisfying the reflection conditions is afterwards fitted to the obtained points with the help of a level set iteration.