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• W1970100912 abstract "A method for 3D temporal tracking of a 3D coronary tree model through a sequence of biplane cineangiography images has been developed. A registration framework is formulated in which the coronary tree centerline model deforms in an external potential field defined by a multiscale analysis response map computed from the angiogram images. To constrain the procedure and to improve convergence, a set of three motion models is hierarchically used: a 3D rigid-body transformation, a 3D affine transformation, and a 3D B-spline deformation field. This 3D motion tracking approach has significant advantages over 2D methods: (1) coherent deformation of a single 3D coronary reconstruction preserves the topology of the arterial tree; (2) constraints on arterial length and regularity, which lack meaning in 2D projection space, are directly applicable in 3D; and (3) tracking arterial segments through occlusions and crossings in the projection images is simplified with knowledge of the 3D relationship of the arteries. The method has been applied to patient data and results are presented." @default.
• W1970100912 created "2016-06-24" @default.
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• W1970100912 date "2002-05-15" @default.
• W1970100912 modified "2023-09-27" @default.
• W1970100912 title "Temporal tracking of 3D coronary arteries in projection angiograms" @default.
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• W1970100912 doi "https://doi.org/10.1117/12.467204" @default.
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