Projective translations and affine stereo calibration

descriptionPublicationkeyboard_double_arrow_right Article , Conference object 27 Nov 2002 France Publisher:IEEE Comput. SocJournal:Proceedings. 1998 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (Cat. No.98CB36231)

Authors: Ruf, Andreas; Csurka, Gabriela; Horaud, Radu;

doi: 10.1109/cvpr.1998.698648

Projective translations and affine stereo calibration

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Abstract

This paper investigates the structure of projective translations-rigid translations expressed as homographies in projective space. A seven parameter representation is proposed, which explicitly represents the geometric entities constraining and defining the translation. A practical algebraic method for estimating these parameters is developed. It provides affine calibration of a stereo rig, determines the translation axis, and allows projective translations to be composed. The practical effectiveness of the calibration is evaluated on synthetic and real image data.

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France

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[INFO.INFO-GR] Computer Science [cs]/Graphics [cs.GR]

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