Research

Morphological Gradient Operators for Colour Images


Reference:

Evans, A. N., 2004. Morphological Gradient Operators for Colour Images. In: IEEE International Conference on Image Processing (ICIP '04), 2004-10-24 - 2004-10-27, Singapore.

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    Official URL:

    http://dx.doi.org/10.1109/ICIP.2004.1421766

    Abstract

    A new morphological gradient operator for colour images is introduced that can be viewed as a direct extension of the well known morphological gradient. In this approach, each pixel is considered as multivariate data and its output is the maximum distance between any two points within a structuring element, determined by a norm. In contrast with other nonlinear schemes, this approach reduces to the morphological gradient for single channel images. It is also computationally efficient and responds well to step edges. To overcome, any sensitivity to noise a robust colour morphological gradient operator is proposed that rejects outlying vector pairs before determining the maximum distance. Results show the effectiveness of the techniques.

    Details

    Item Type Conference or Workshop Items (Paper)
    CreatorsEvans, A. N.
    DOI10.1109/ICIP.2004.1421766
    DepartmentsFaculty of Engineering & Design > Electronic & Electrical Engineering
    Publisher StatementICIPOct2004.pdf: ©2004 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
    RefereedYes
    StatusPublished
    ID Code14918

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