INTRODUCING SHAPE CONSTRAINT VIA LEGENDRE MOMENTS IN A VARIATIONAL FRAMEWORK FOR CARDIAC SEGMENTATION ON NON-CONTRAST CT IMAGES

Julien Wojak, Elsa D. Angelini, Isabelle Bloch

2010

Abstract

In thoracic radiotherapy, some organs should be considered with care and protected from undesirable radiation. Among these organs, the heart is one of the most critical to protect. Its segmentation from routine CT scans provides valuable information to assess its position and shape. In this paper, we present a novel variational segmentation method for extracting the heart on non-contrast CT images. To handle the low image contrast around the cardiac borders, we propose to integrate shape constraints using Legendre moments and adding an energy term in the functional to be optimized. Results for whole heart segmentation in non-contrast CT images are presented and comparisons are performed with manual segmentations.

References

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Paper Citation


in Harvard Style

Wojak J., D. Angelini E. and Bloch I. (2010). INTRODUCING SHAPE CONSTRAINT VIA LEGENDRE MOMENTS IN A VARIATIONAL FRAMEWORK FOR CARDIAC SEGMENTATION ON NON-CONTRAST CT IMAGES . In Proceedings of the International Conference on Computer Vision Theory and Applications - Volume 2: VISAPP, (VISIGRAPP 2010) ISBN 978-989-674-029-0, pages 209-214. DOI: 10.5220/0002844502090214


in Bibtex Style

@conference{visapp10,
author={Julien Wojak and Elsa D. Angelini and Isabelle Bloch},
title={INTRODUCING SHAPE CONSTRAINT VIA LEGENDRE MOMENTS IN A VARIATIONAL FRAMEWORK FOR CARDIAC SEGMENTATION ON NON-CONTRAST CT IMAGES},
booktitle={Proceedings of the International Conference on Computer Vision Theory and Applications - Volume 2: VISAPP, (VISIGRAPP 2010)},
year={2010},
pages={209-214},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002844502090214},
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 - INTRODUCING SHAPE CONSTRAINT VIA LEGENDRE MOMENTS IN A VARIATIONAL FRAMEWORK FOR CARDIAC SEGMENTATION ON NON-CONTRAST CT IMAGES
SN - 978-989-674-029-0
AU - Wojak J.
AU - D. Angelini E.
AU - Bloch I.
PY - 2010
SP - 209
EP - 214
DO - 10.5220/0002844502090214