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Authors: Franklin César Flores 1 ; Leonardo Bespalhuk Facci 1 and Roberto de Alencar Lotufo 2

Affiliations: 1 State University of Maringá, Brazil ; 2 State University of Campinas, Brazil

ISBN: 978-989-8111-21-0

Keyword(s): Color quantization, Morphological histogram processing, Watershed transform.

Related Ontology Subjects/Areas/Topics: Computer Vision, Visualization and Computer Graphics ; Image Formation and Preprocessing ; Image Quality ; Mathematical Morphology

Abstract: In a previous paper it was proposed a graylevel quantization method by morphological histogram processing. This paper introduces the extension of that quantization method to color images. Considering an image under the RGB color space model, this extension reduces the number of colors in the image by partitioning an 3-D histogram, similar to the RGB color space, in rectangular parallelepiped regions, through a iterative process. Such partitioning is done, in each iteration, by application of the graylevel quantization method to the longest dimension of the current region which has the greatest volume. The final classified color space is used to quantize the image. This paper also shows the comparison of the proposed method to the classical median cut one.

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Paper citation in several formats:
Flores F.; Bespalhuk Facci L.; de Alencar Lotufo R. and (2008). COLOR QUANTIZATION BY MORPHOLOGICAL HISTOGRAM PROCESSING.In Proceedings of the Third International Conference on Computer Vision Theory and Applications - Volume 1: VISAPP, (VISIGRAPP 2008) ISBN 978-989-8111-21-0, pages 93-100. DOI: 10.5220/0001088400930100

@conference{visapp08,
author={Franklin César Flores and Leonardo {Bespalhuk Facci} and Roberto {de Alencar Lotufo}},
title={COLOR QUANTIZATION BY MORPHOLOGICAL HISTOGRAM PROCESSING},
booktitle={Proceedings of the Third International Conference on Computer Vision Theory and Applications - Volume 1: VISAPP, (VISIGRAPP 2008)},
year={2008},
pages={93-100},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001088400930100},
isbn={978-989-8111-21-0},
}

TY - CONF

JO - Proceedings of the Third International Conference on Computer Vision Theory and Applications - Volume 1: VISAPP, (VISIGRAPP 2008)
TI - COLOR QUANTIZATION BY MORPHOLOGICAL HISTOGRAM PROCESSING
SN - 978-989-8111-21-0
AU - Flores, F.
AU - Bespalhuk Facci, L.
AU - de Alencar Lotufo, R.
PY - 2008
SP - 93
EP - 100
DO - 10.5220/0001088400930100

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