Abstract
Parameters which are related to the wall motion of the left ventricle are estimated from the time signal amplitude curves of the pixels of an echocardiographic image sequence. They yield parametric images, which are interpreted by clinicians. Factor analysis of the left ventricle in echocardiography is such a method. Its theoretical limits are first listed. To overcome them, a generalized method, the parametric analysis of main motion (PAMM), is proposed in this paper. The new parameters are computed as the projections of the time signal amplitude curves on a set of curves, which are generated by translation and scale transformations of a mother curve. This mother curve represents a generic motion curve. The PAMM method has been tested on a simulated sequence and applied to patients. Results demonstrate the theoretical interest of the method and show its potential contribution to clinical studies.
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Dominguez, C.R., Frouin, F., Gérard, O., Lim, P., Diebold, B., Herment, A. (2003). Parametric Analysis of Main Motion to Study the Regional Wall Motion of the Left Ventricle in Echocardiography. In: Magnin, I.E., Montagnat, J., Clarysse, P., Nenonen, J., Katila, T. (eds) Functional Imaging and Modeling of the Heart. FIMH 2003. Lecture Notes in Computer Science, vol 2674. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-44883-7_18
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DOI: https://doi.org/10.1007/3-540-44883-7_18
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