6-pt focal length problem
 
Problem:
Estimating relative pose of two cameras with unknown focal length from six image point correspondences.

6-pt focal length problem
 
Publications:
  1. M. Byröd, K. Josephson, and K. Åström. Improving numerical accuracy of Gröbner basis polynomial equation solver. ICCV 2007. [pdf | http]
  2. Z. Kukelova, M. Bujnak, T. Pajdla, Automatic Generator of Minimal Problem Solvers, ECCV 2008, (to appear). [pdf | http | code]
  3. Z. Kukelova, M. Bujnak, T. Pajdla, Polynomial eigenvalue solutions to the 5-pt and 6-pt relative pose problems, BMVC 2008, (to appear) [pdf | http | code]
  4. H. Li. A simple solution to the six-point two-view focal-length problem. ECCV 2006, pp. 200–213.[pdf | http]
  5. H. Stewenius, D. Nister, F. Kahl, and F. Schaffalitzky. A minimal solution for relative pose with unknown focal length. CVPR 2005, pp. 789–794. [pdf | http | code]
Code:
  • Stewenius' Groebner basis solver [5] (Matlab+mex) [link]
  • Li's Hidden variable solver [4] (Matlab) [source code inside the paper]
  • Greobner basis solver generated using Automatic generator [2] (Matlab) [source code]
  • Greobner basis solver generated using Automatic generator [2] (C) [source code]
  • Polynomial eigenvalue solution [3] (Matlab) [source code]
Evaluation: