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Initial Value Estimation for Robust Deflectometric Reconstruction

Konferenzbeitrag

Links:
Autoren:

Stefan Werling
Jonathan Balzer
Jürgen Beyerer

Quelle:

A. Grün, H. Kahmen (Hrsg.), Optical 3-D Measurement Techniques, Zürich, Bd. 2, 2007.

Seiten:

386-392

Konferenz:

8th Conference on Optical 3-D Measurement Techniques, Zürich, 9.-12. Juli 2007



This contribution focusses on the regularization of the ill-posed deflectometry problem, in which the reconstruction of a specular object from the modulation of the reflected scene is desired. In the case where a single surface point is known, existence and uniqueness of solution can be proven considering the underlying system of quasilinear partial differential equations. Otherwise, additional information has to be utilized to resolve the ambiguity. Two examplary methods are presented under review and experimental assessment, namely specular stereo and the Shape-from-Shading approach for partially specular surfaces.