A New Approach for the Glottis Segmentation using Snakes

G. Andrade Miranda, N. Saenz-Lechón, V. Osma-Ruiz, J. I. Godino-Llorente

2013

Abstract

The present work describes a new methodology for the automatic detection of the glottal space from laryngeal images based on active contour models (snakes). In order to obtain an appropriate image for the use of snakes based techniques, the proposed algorithm combines a pre-processing stage including some traditional techniques (thresholding and median filter) with more sophisticated ones such as anisotropic filtering. The value selected for the thresholding was fixed to the 85% of the maximum peak of the image histogram, and the anisotropic filter permits to distinguish two intensity levels, one corresponding to the background and the other one to the foreground (glottis). The initialization carried out is based on the magnitude obtained using the Gradient Vector Flow field, ensuring an automatic process for the selection of the initial contour. The performance of the algorithm is tested using the Pratt coefficient and compared against a manual segmentation. The results obtained suggest that this method provided results comparable with other techniques such as the proposed in (Osma-Ruiz et al., 2008).

References

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Paper Citation


in Harvard Style

Andrade Miranda G., Saenz-Lechón N., Osma-Ruiz V. and I. Godino-Llorente J. (2013). A New Approach for the Glottis Segmentation using Snakes . In Proceedings of the International Conference on Bio-inspired Systems and Signal Processing - Volume 1: BIOSIGNALS, (BIOSTEC 2013) ISBN 978-989-8565-36-5, pages 318-322. DOI: 10.5220/0004238503180322


in Bibtex Style

@conference{biosignals13,
author={G. Andrade Miranda and N. Saenz-Lechón and V. Osma-Ruiz and J. I. Godino-Llorente},
title={A New Approach for the Glottis Segmentation using Snakes},
booktitle={Proceedings of the International Conference on Bio-inspired Systems and Signal Processing - Volume 1: BIOSIGNALS, (BIOSTEC 2013)},
year={2013},
pages={318-322},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004238503180322},
isbn={978-989-8565-36-5},
}


in EndNote Style

TY - CONF
JO - Proceedings of the International Conference on Bio-inspired Systems and Signal Processing - Volume 1: BIOSIGNALS, (BIOSTEC 2013)
TI - A New Approach for the Glottis Segmentation using Snakes
SN - 978-989-8565-36-5
AU - Andrade Miranda G.
AU - Saenz-Lechón N.
AU - Osma-Ruiz V.
AU - I. Godino-Llorente J.
PY - 2013
SP - 318
EP - 322
DO - 10.5220/0004238503180322