This paper introduces a new registration method estimating the displacement field of bodies which deformations are constrained by an articulated rigid body. We propose an articulated transformation model embedded in a general registration scheme. A fast stochastic gradient descent optimization strategy suitable for noisy cost functions has been chosen to maximize the mutual information metric. Once registered, we propose to propagate the deformation by a linear elastic model through the use of a tetrahedral mesh. We demonstrate this method on 3D CT of neck images where bony structures between different patient images, as vertebrae, may rigidly move while other tissues may deform.


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    Titel :

    An articulated registration method


    Beteiligte:
    du Bois d'Aische, A. (Autor:in) / de Craene, M. (Autor:in) / Macq, B. (Autor:in) / Warfield, S.K. (Autor:in)


    Erscheinungsdatum :

    01.01.2005


    Format / Umfang :

    187635 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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