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Nonlinear multiscale analysis of three-dimensional echocardiographic sequences

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3 Author(s)
Sarti, A. ; Dept. of Math., California Univ., Berkeley, CA, USA ; Mikula, K. ; Sgallari, Fiorella

Introduces a new model for multiscale analysis of space-time echocardiographic sequences. The proposed nonlinear partial differential equation, representing the multiscale analysis, filters the sequence while keeping the space-time coherent structures. It combines the ideas of regularized Perona-Malik anisotropic diffusion and the Galilean invariant movie multiscale analysis of Alvarez et al. (Arch. Rat. Mech. Anal., vol. 123, p. 200-57, 1993). A numerical method for solving the proposed partial differential equation is suggested and its stability is shown. Computational results on synthesized and real sequences are provided. A qualitative and quantitative evaluation of the accuracy of the method is presented.

Published in:

Medical Imaging, IEEE Transactions on  (Volume:18 ,  Issue: 6 )

Date of Publication:

June 1999

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