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In the next future, transcatheter aortic valve implantation could represent a minimally invasive option in case of bioprosthesis failure for patients at high surgical risk. CT based preoperative planning of this procedure could be useful to optimize valve-in-valve implantation. In this context, bioprosthesis 3D analysis seems to be necessary, particularly for leaflets. The goal of this study was to...
Dans cet article, nous présentons les résultats d’une expérimentation qui vise à évaluer deux méthodes de détection aveugle ou passive de modifications d’images. Ces méthodes s’appuient sur des caractéristiques différentes : les Image Quality Measures (IQM) et les High Order Wavelet Statistics (HOW). Les modifications que nous cherchons à détecter sont le résultat de traitements usuels appliqués globalement...
A new method for the visualization of spatially aligned volumes after 3D/3D image registration is presented in this paper. This work aims at displaying the full information of the multivolume in the same scene.First, we form a vectorial volume from spatially aligned multivolume after 3D registration. Then, a statistical vectorial volume classification method based on neighborhood weighted Gaussian...
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