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Chair for Computer Aided Medical Procedures & Augmented Reality
Lehrstuhl für Informatikanwendungen in der Medizin & Augmented Reality

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A. Shashua, N. Navab
Relative Affine Structure: Theory and Application to 3D Reconstruction from Perspective Views
IEEE Conference on Computer Vision and Pattern Recognition. Seattle, Washington, June 1994 (bib)

We propose an affine framework for perspective views, captured by a single extremely simple equation based on a viewer-centered invariant we call relative affine structure. Via a number of corollaries of our main results we show that our framework unifies previous work-including Euclidean, projective and affine-in a natural and simple way. Finally, the main results were applied to a real image sequence for purpose of 3D reconstruction from 2D views.
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