Links for image-registration

image_registration-0.2.1.tar.gz
image_registration-0.2.tar.gz
http://solarmuri.ssl.berkeley.edu/~welsch/public/software/cross_cor_taylor.pro
http://www.astro.ucla.edu/~mperrin/IDL/sources/subreg.pro
http://www.mathworks.com/matlabcentral/fileexchange/18401-efficient-subpixel-image-registration-by-cross-correlation/content/html/efficient_subpixel_registration.html