**Apr 25, 2017, 4pm**

PDL C-401

**Andrew Pryhuber, ***Department of Mathematics, University of Washington*

*Abstract: *Reconstruction of a 3D world point from $n\geq 2$ noisy 2D images is referred to as the triangulation problem and is fundamental in multi-view geometry. We show how this problem can be formulated as a quadratically constrained quadratic program and discuss an algorithm to construct candidate solutions. We also present a polynomial time test motivated by the underlying geometry of the triangulation problem to confirm optimality of such a solution. Based on work by Chris Aholt, Sameer Agarwal, and Rekha Thomas.