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Authors: Dário A. B. Oliveira ; Raul Q. Feitosa and Mauro M. Correia

Affiliation: Catholic University of Rio de Janeiro; Rio de Janeiro State University; Unigranrio and National Cancer Institute-INCA, Brazil

Keyword(s): Medical Imaging, Liver Segmentation, Vessel Segmentation, Computed Tomography.

Related Ontology Subjects/Areas/Topics: Applications and Services ; Biomedical Engineering ; Biomedical Signal Processing ; Computer Vision, Visualization and Computer Graphics ; Medical Image Detection, Acquisition, Analysis and Processing

Abstract: This paper presents an algorithm to segment the liver structures on computed tomography (CT) images according to the Couinaud orientation. Our method firstly separates the liver from the rest of the image. Then it segments the vessels inside the liver area using a region growing technique combined with hysteresis thresholding. It separates the vessels in segments without any bifurcation, and using heuristics based on anatomy, it classifies all vessel segments as hepatic or portal vein. Finally, the method estimates the planes that best fit each of the three branches of the segmented hepatic veins and the plane that best fits the portal vein. These planes define the subdivision of the liver in the Couinaud segments. An experimental evaluation based on real CT images demonstrated that the outcome of the proposed method is generally consistent with a visual segmentation.

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Paper citation in several formats:
A. B. Oliveira, D.; Q. Feitosa, R. and M. Correia, M. (2008). AUTOMATIC COUINAUD LIVER AND VEINS SEGMENTATION FROM CT IMAGES. In Proceedings of the First International Conference on Bio-inspired Systems and Signal Processing (BIOSTEC 2008) - Volume 1: BIOSIGNALS; ISBN 978-989-8111-18-0; ISSN 2184-4305, SciTePress, pages 249-252. DOI: 10.5220/0001063202490252

@conference{biosignals08,
author={Dário {A. B. Oliveira}. and Raul {Q. Feitosa}. and Mauro {M. Correia}.},
title={AUTOMATIC COUINAUD LIVER AND VEINS SEGMENTATION FROM CT IMAGES},
booktitle={Proceedings of the First International Conference on Bio-inspired Systems and Signal Processing (BIOSTEC 2008) - Volume 1: BIOSIGNALS},
year={2008},
pages={249-252},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001063202490252},
isbn={978-989-8111-18-0},
issn={2184-4305},
}

TY - CONF

JO - Proceedings of the First International Conference on Bio-inspired Systems and Signal Processing (BIOSTEC 2008) - Volume 1: BIOSIGNALS
TI - AUTOMATIC COUINAUD LIVER AND VEINS SEGMENTATION FROM CT IMAGES
SN - 978-989-8111-18-0
IS - 2184-4305
AU - A. B. Oliveira, D.
AU - Q. Feitosa, R.
AU - M. Correia, M.
PY - 2008
SP - 249
EP - 252
DO - 10.5220/0001063202490252
PB - SciTePress

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