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Erschienen in:
2006 | OriginalPaper | Buchkapitel
3D/2D Model-to-Image Registration Applied to TIPS Surgery
verfasst von : Julien Jomier, Elizabeth Bullitt, Mark Van Horn, Chetna Pathak, Stephen R. Aylward
Erschienen in: Medical Image Computing and Computer-Assisted Intervention – MICCAI 2006
Verlag: Springer Berlin Heidelberg
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We have developed a novel model-to-image registration technique which aligns a 3-dimensional model of vasculature with two semi-orthogonal fluoroscopic projections. Our vascular registration method is used to intra-operatively initialize the alignment of a catheter and a pre-operative vascular model in the context of image-guided TIPS (Transjugular, Intrahepatic, Portosystemic Shunt formation) surgery. Registration optimization is driven by the intensity information from the projection pairs at sample points along the centerlines of the model. Our algorithm shows speed, accuracy and consistency given clinical data.