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5

CORR
2007
Springer

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On Ullman's theorem in computer vision

13 years 4 months ago

On Ullman's theorem in computer vision

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Both in the plane and in space, we invert the nonlinear Ullman transformation for 3 points and 3 orthographic cameras. While Ullman’s theorem assures a unique reconstruction modulo a reﬂection for 3 cameras and 4 points, we ﬁnd a locally unique reconstruction for 3 cameras and 3 points. Explicit reconstruction formulas allow to decide whether picture data of three cameras seeing three points can be realized as a point-camera conﬁguration.

Oliver Knill, Jose Ramirez-Herran

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Added	13 Dec 2010
Updated	13 Dec 2010
Type	Journal
Year	2007
Where	CORR
Authors	Oliver Knill, Jose Ramirez-Herran

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