3D dynamic model of the coronary tree

R. Toledo, P. Radeva, C. Von Land, J. Villanueva

    Research output: Contribution to journalArticleResearchpeer-review

    4 Citations (Scopus)

    Abstract

    This article presents a new approach to build a kinetic elastic model of the coronary tree. Our purpose is to use this model in order to achieve spatio-temporal understanding of the cardiovascular dynamics. A semantic network was developed to make a static structural model Then, to estimate the motion, the network uses a Kalman filtering device guided by the trajectory model. The vessel deformation is detected in an energy-minimization procedure applying the active contour model (snake) technique. A complete spatio-temporal description of the vessels (not just of sparse set of points) is obtained using a compact bi-dimensional B-spline representation where the movement of the vessel model is uniquely determined from the movement of the B-spline control points. In our two-dimensional B-spline dynamic model the directions determined by the iso-parametric curves correspond to the spatial and temporal vessel position, respectively.
    Original languageEnglish
    Pages (from-to)777-780
    JournalComputers in Cardiology
    Volume0
    Issue number0
    Publication statusPublished - 1 Dec 1998

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