2 citations · 5 across the 4 of their papers we have counts for
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cs.CV2007★ 2 cited
A structure from motion inequality
Oliver Knill, Jose Ramirez-Herran
We state an elementary inequality for the structure from motion problem for m cameras and n points. This structure from motion inequality relates space dimension, camera parameter…
cs.CV2007★ 2 cited
Space and camera path reconstruction for omni-directional vision
Oliver Knill, Jose Ramirez-Herran
In this paper, we address the inverse problem of reconstructing a scene as well as the camera motion from the image sequence taken by an omni-directional camera. Our structure from…
cs.CV2007★ 1 cited
On Ullman's theorem in computer vision
Oliver Knill, Jose Ramirez-Herran
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…