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We have already led a survey on a new approach in nonrigid registration using elastic model, finite element method and mutual information and we have had good results. This approach is a multimodal and a fully automatic registration. Besides, one can use it for a registration with images in low resolutions, such as the positron emission tomography (PET) and single photon emission computed tomography (SPECT). However one can note that registration requires a too much important calculation time and high occupancy spaces especially with 3D images. Thus, the parallelization is required. So, the aim is to parallelize this approach for non-rigid registration. Therefore, this paper presents the theory of the approach and deals the transformation of the registration algorithm in a parallel environment. We have worked with single program multiple data model on distributed memory (SPMD-DM) architecture.
Date of Conference: Sept. 29 2008-Oct. 4 2008