Polar Calibration method based on the paper "M. Pollefeys, R. Koch and L. Van Gool, A simple and efficient rectification method for general motion, Proc. International Conference on Computer Vision, pp.496-501, Corfu (Greece), 1999.", which is available at http://www.inf.ethz.ch/personal/pomarc/pubs/PollefeysICCV99.pdf