A HYBRID BOUNDARY–REGION LEFT VENTRICLE SEGMENTATION IN COMPUTED TOMOGRAPHY

Antonio Bravo, José Clemente, Miguel Vera, José Avila, Rubén Medina

2010

Abstract

An automatic approach based on the generalized Hough transform (GHT) and unsupervised clustering technique to obtain the endocardial surface is proposed. The approach is applied to multi slice computerized tomography (MSCT) images of the heart. The first step is the initialization, where a GHT–based segmentation algorithm is used to detect the edocardial contour in one MSCT slice. The centroid of this contour is used as a seed point for initializing a clustering algorithm. A two stage segmentation algorithm is used for segmenting the three–dimensional MSCT database. First, the complete database is filtered using mathematical morphology operators in order to improve the left ventricle cavity information in these images. The second stage is based on a region growing method. A seed point located inside the cardiac cavity is used as input for the clustering algorithm. This seed point is propagated along the image sequence to obtain the left ventricle surfaces for all instants of the cardiac cycle. The method is validated by comparing the estimated surfaces with respect to left ventricle shapes drawn by a cardiologist. The average error obtained was 1.52 mm.

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Paper Citation


in Harvard Style

Bravo A., Clemente J., Vera M., Avila J. and Medina R. (2010). A HYBRID BOUNDARY–REGION LEFT VENTRICLE SEGMENTATION IN COMPUTED TOMOGRAPHY . In Proceedings of the International Conference on Computer Vision Theory and Applications - Volume 2: VISAPP, (VISIGRAPP 2010) ISBN 978-989-674-029-0, pages 107-114. DOI: 10.5220/0002849301070114


in Bibtex Style

@conference{visapp10,
author={Antonio Bravo and José Clemente and Miguel Vera and José Avila and Rubén Medina},
title={A HYBRID BOUNDARY–REGION LEFT VENTRICLE SEGMENTATION IN COMPUTED TOMOGRAPHY},
booktitle={Proceedings of the International Conference on Computer Vision Theory and Applications - Volume 2: VISAPP, (VISIGRAPP 2010)},
year={2010},
pages={107-114},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002849301070114},
isbn={978-989-674-029-0},
}


in EndNote Style

TY - CONF
JO - Proceedings of the International Conference on Computer Vision Theory and Applications - Volume 2: VISAPP, (VISIGRAPP 2010)
TI - A HYBRID BOUNDARY–REGION LEFT VENTRICLE SEGMENTATION IN COMPUTED TOMOGRAPHY
SN - 978-989-674-029-0
AU - Bravo A.
AU - Clemente J.
AU - Vera M.
AU - Avila J.
AU - Medina R.
PY - 2010
SP - 107
EP - 114
DO - 10.5220/0002849301070114