This is C, Matlab, and Ruby code to solve the generalized 2D point correspondence problem.

See the appendix of the paper at http://purl.org/censi/2007/plicp for a description of the problem.

Oct 2008: fixed serious bug which affected the estimate. Sep 2007: first revision.

Prerequisites: the Gnu Scientific Library:

http://www.gnu.org/software/gsl/

Optional prerequisites: cmake.

http://www.cmake.org/

Prerequisites: rb-gsl, a Ruby interface to the GSL. Available at

http://rb-gsl.rubyforge.org/

Tested with Matlab 7.0.