Fast fluid registration using inverse filtering for non-rigid image registration

A fast fluid method using inverse filtering for medical image registration task is presented in this paper. We extend the one dimensional LMS inverse filtering method to two dimensions and successfully implement it in the fluid registration method first introduced by Christensen. The experiment results show the performance of fluid algorithm is sped up by a factor of about 2.5 and the registration is more accurate compare to the original fluid algorithm given the same number of iterations