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Authors: Douglas E. M. de Oliveira 1 ; Gilson A. Giraldi 1 ; Luiz A. Pereira Neves 2 ; Adriana G. da Costa 3 and Érica C. Kuchler 3

Affiliations: 1 National Laboratory for Scientific Computing, Brazil ; 2 State University of Santa Catarina, Brazil ; 3 Federal University of Rio de Janeiro, Brazil

Keyword(s): Thresholding, Mathematical Morphology, PCA, Feature Extraction.

Related Ontology Subjects/Areas/Topics: Applications ; Medical Imaging ; Pattern Recognition ; Software Engineering

Abstract: Automating the process of analysis in dental x-ray images is receiving increased attention. In this process, teeth segmentation from the radiographic images and feature extraction are essential steps. In this paper, we propose an approach based on thresholding and mathematical morphology for teeth segmentation. First, a thresholding technique is applied based on the image intensity histogram. Then, mathematical morphology operators are used to improve the efficiency of the teeth segmentation. Finally, we perform the boundary extraction and apply the Principal Component Analysis (PCA) to get the principal axes of the teeth and some lengths along it that are useful for dentist diagnosis. The technique is promising and can be extended for other applications in dental x-ray imaging.

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Paper citation in several formats:
E. M. de Oliveira, D.; A. Giraldi, G.; A. Pereira Neves, L.; G. da Costa, A. and C. Kuchler, É. (2009). AUTOMATIC DATA EXTRACTION IN ODONTOLOGICAL X-RAY IMAGING. In Proceedings of the First International Conference on Computer Imaging Theory and Applications (VISIGRAPP 2009) - IMAGAPP; ISBN 978-989-8111-68-5, SciTePress, pages 141-144. DOI: 10.5220/0001800601410144

@conference{imagapp09,
author={Douglas {E. M. de Oliveira}. and Gilson {A. Giraldi}. and Luiz {A. Pereira Neves}. and Adriana {G. da Costa}. and Érica {C. Kuchler}.},
title={AUTOMATIC DATA EXTRACTION IN ODONTOLOGICAL X-RAY IMAGING},
booktitle={Proceedings of the First International Conference on Computer Imaging Theory and Applications (VISIGRAPP 2009) - IMAGAPP},
year={2009},
pages={141-144},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001800601410144},
isbn={978-989-8111-68-5},
}

TY - CONF

JO - Proceedings of the First International Conference on Computer Imaging Theory and Applications (VISIGRAPP 2009) - IMAGAPP
TI - AUTOMATIC DATA EXTRACTION IN ODONTOLOGICAL X-RAY IMAGING
SN - 978-989-8111-68-5
AU - E. M. de Oliveira, D.
AU - A. Giraldi, G.
AU - A. Pereira Neves, L.
AU - G. da Costa, A.
AU - C. Kuchler, É.
PY - 2009
SP - 141
EP - 144
DO - 10.5220/0001800601410144
PB - SciTePress

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