Displacement calculation of heart walls in ECG sequences using level set segmentation and B-spline free form deformations

Authors:
Andrzej Skalski;Paweł Turcza;Tomasz Zieliński
Affiliations:
Department of Measurement and Instrumentation, AGH University of Science and Technology, Kraków, Poland;Department of Measurement and Instrumentation, AGH University of Science and Technology, Kraków, Poland;Department of Telecommunications AGH University of Science and Technology, Kraków, Poland
Venue:
ICCVG'10 Proceedings of the 2010 international conference on Computer vision and graphics: Part II
Year:
2010

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Abstract

In the paper a problem of displacement calculation of the walls of left heart ventricle in echocardiographic (ECG) ultrasound sequences/ videos is addressed. A novel method, which is proposed in it, consists of: 1) speckle reduction anisotrophic diffusion (SRAD) filtration of ultrasonography (USG) images, 2) segmentation of heart structures in consecutive de-noised frames via active contour without edges method, 3) calculation of left ventricle frame-to-frame deformation vectors by BSpline Free Form Deformation (FFD) algorithm. Results from method testing on synthetic USG-like and real ECG images are presented in the paper.