Study of 3D-from-2D using elimination

Michael Werman*, Amnon Shashua

*Corresponding author for this work

Research output: Contribution to conferencePaperpeer-review

14 Scopus citations


The 3D geometric invariants from point correspondences across multiple 2D views are united by using the tool of Elimination for algebraic geometry. The technique allows one to predict results by counting parameters and reduces many complicated results obtained in the previous reconstruction from two and three views, epipolar geometry from seven points, trilinearity of three views, the use of a priori 3D information such as bilateral symmetry, shading and color constancy, and more into few lines of reasoning each. One of the appealing features of the elimination approach is that it is simple to apply and does not require any understanding of the underlying 3D from 2D geometry and algebra.

Original languageAmerican English
Number of pages7
StatePublished - 1995
EventProceedings of the 5th International Conference on Computer Vision - Cambridge, MA, USA
Duration: 20 Jun 199523 Jun 1995


ConferenceProceedings of the 5th International Conference on Computer Vision
CityCambridge, MA, USA


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