ABOUT GRADIENT OPERATORS ON HYPERSPECTRAL IMAGES

Ramón Moreno; Manuel Graña

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Paper

ABOUT GRADIENT OPERATORS ON HYPERSPECTRAL IMAGES

In Proceedings of the 1st International Conference on Pattern Recognition Applications and Methods - Volume 2: PRARSHIA, 433-437, 2012 , Vilamoura, Algarve, Portugal

Authors: Ramón Moreno and Manuel Graña

Affiliation: University of the Basque Country, Spain

Keyword(s): Hyperspectral, Hyperspherical coordinates, Gradient, Chromatic Edge, Shadows.

Abstract: Gradient operators allow image segmentation based on edge information. Gradient operators based on chromatic information may avoid apparent edges detection due to illumination effects. This paper proposes the extension of chromatic gradients defined for RGB color images to images with n-dimensional pixels. A spherical coordinate representation of the pixel's content provides the required chromatic information. The paper provides results showing that gradient operators defined on the spherical coordinate representation effectively avoid illumination induced false edge detection.

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Paper citation in several formats:

Moreno, R. and Graña, M. (2012). ABOUT GRADIENT OPERATORS ON HYPERSPECTRAL IMAGES. In Proceedings of the 1st International Conference on Pattern Recognition Applications and Methods (ICPRAM 2012) - Volume 2: PRARSHIA; ISBN 978-989-8425-98-0; ISSN 2184-4313, SciTePress, pages 433-437. DOI: 10.5220/0003863904330437

@conference{prarshia12,
author={Ramón Moreno. and Manuel Graña.},
title={ABOUT GRADIENT OPERATORS ON HYPERSPECTRAL IMAGES},
booktitle={Proceedings of the 1st International Conference on Pattern Recognition Applications and Methods (ICPRAM 2012) - Volume 2: PRARSHIA},
year={2012},
pages={433-437},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003863904330437},
isbn={978-989-8425-98-0},
issn={2184-4313},
}

TY - CONF

JO - Proceedings of the 1st International Conference on Pattern Recognition Applications and Methods (ICPRAM 2012) - Volume 2: PRARSHIA
TI - ABOUT GRADIENT OPERATORS ON HYPERSPECTRAL IMAGES
SN - 978-989-8425-98-0
IS - 2184-4313
AU - Moreno, R.
AU - Graña, M.
PY - 2012
SP - 433
EP - 437
DO - 10.5220/0003863904330437
PB - SciTePress