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Journal of Digital Imaging

, Volume 25, Issue 2, pp 271–278 | Cite as

A Fast Region-Based Active Contour Model for Boundary Detection of Echocardiographic Images

  • Kalpana Saini
  • M. L. Dewal
  • Manojkumar Rohit
Article

Abstract

This paper presents the boundary detection of atrium and ventricle in echocardiographic images. In case of mitral regurgitation, atrium and ventricle may get dilated. To examine this, doctors draw the boundary manually. Here the aim of this paper is to evolve the automatic boundary detection for carrying out segmentation of echocardiography images. Active contour method is selected for this purpose. There is an enhancement of Chan–Vese paper on active contours without edges. Our algorithm is based on Chan–Vese paper active contours without edges, but it is much faster than Chan–Vese model. Here we have developed a method by which it is possible to detect much faster the echocardiographic boundaries. The method is based on the region information of an image. The region-based force provides a global segmentation with variational flow robust to noise. Implementation is based on level set theory so it easy to deal with topological changes. In this paper, Newton–Raphson method is used which makes possible the fast boundary detection.

Keywords

Echocardiographic images Mitral regurgitation Atrium Ventricle Active contours Level set theory Topological 

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Copyright information

© Society for Imaging Informatics in Medicine 2011

Authors and Affiliations

  1. 1.Department of Electrical EnggIIT RoorkeeRoorkeeIndia
  2. 2.Department of CardiologyPGIMER ChandigarhChandigarhIndia

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