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Projective Reconstruction from N Views Having One View in Common

M. UrbanContact Information, T. PajdlaContact Information and V. HlaváčContact Information

(7)  Center for Machine Perception, Czech Technical University, Prague, Karlovo nám. 13, 121 35 Prague, Czech Republic
Abstract
Projective reconstruction recovers projective coordinates of 3D scene points from their several projections in 2D images. We introduce a method for the projective reconstruction based on concatenation of trifocal constraints around a reference view. This configuration simplifies computations significantly. The method uses only linear estimates which stay “close” to image data. The method requires correspondences only across triplets of views. However, it is not symmetrical with respect to views. The reference view plays a special role. The method can be viewed as a generalization of Hartley”s algorithm [11], or as a particular application of Triggs’ [21] closure relations.
This research is supported by the Grant Agency of the Czech Republic under the grants 102/97/0480, 102/97/0855, and 201/97/0437, and by the Czech Ministry of Education under the grant VS 96049.

Contact Information M. Urban
Email: urbanm@cmp.felk.cvut.cz
URL: http://cmp.felk.cvut.cz

Contact Information T. Pajdla

URL: http://cmp.felk.cvut.cz

Contact Information V. Hlaváč

URL: http://cmp.felk.cvut.cz
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