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Fusion of Combined Stereo and Focus Series for 3D Reconstruction

Journal paper

Links:
Authors:

Ioana Gheta
Michael Heizmann
Jürgen Beyerer

Source:

tm - Technisches Messen 75 no. 7-8, Oldenbourg Wissenschaftsverlag, July 2008.

Pages:

445-454

Combined stereo and focus image series are fused for obtaining robust 3D information. The combination of depth from stereo and depth from (de)focus leads to good results also when dealing with scenes presenting periodical or weak structure. For analyzing the problem in ray optics, a signal model is presented which describes the imaging of a camera array taking into consideration a defocussed projection. The problem is formulated by using energy functionals which are minimized by means of standard algorithms. The results obtained by applying the method to several scenes show considerably improved results compared to the use of standard algorithms.