A unified methodology for computing accurate quaternion color moments and moment invariants

Evangelos G. Karakasis, George A. Papakostas, Dimitrios E. Koulouriotis, Vassilios D. Tourassis

    Research output: Contribution to journalArticle

    36 Citations (Scopus)

    Abstract

    In this paper, a general framework for computing accurate quaternion color moments and their corresponding invariants is proposed. The proposed unified scheme arose by studying the characteristics of different orthogonal polynomials. These polynomials are used as kernels in order to form moments, the invariants of which can easily be derived. The resulted scheme permits the usage of any polynomial-like kernel in a unified and consistent way. The resulted moments and moment invariants demonstrate robustness to noisy conditions and high discriminative power. Additionally, in the case of continuous moments, accurate computations take place to avoid approximation errors. Based on this general methodology, the quaternion Tchebichef, Krawtchouk, Dual Hahn, Legendre, orthogonal Fourier-Mellin, pseudo Zernike and Zernike color moments, and their corresponding invariants are introduced. A selected paradigm presents the reconstruction capability of each moment family, whereas proper classification scenarios evaluate the performance of color moment invariants.

    Original languageEnglish
    Article number6657778
    Pages (from-to)596-611
    Number of pages16
    JournalIEEE Transactions on Image Processing
    Volume23
    Issue number2
    DOIs
    Publication statusPublished - Feb 2014

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    Polynomials
    Color

    Keywords

    • accurate computation
    • color moment invariants
    • color moments
    • image reconstruction
    • Quaternions

    ASJC Scopus subject areas

    • Computer Graphics and Computer-Aided Design
    • Software

    Cite this

    A unified methodology for computing accurate quaternion color moments and moment invariants. / Karakasis, Evangelos G.; Papakostas, George A.; Koulouriotis, Dimitrios E.; Tourassis, Vassilios D.

    In: IEEE Transactions on Image Processing, Vol. 23, No. 2, 6657778, 02.2014, p. 596-611.

    Research output: Contribution to journalArticle

    Karakasis, Evangelos G. ; Papakostas, George A. ; Koulouriotis, Dimitrios E. ; Tourassis, Vassilios D. / A unified methodology for computing accurate quaternion color moments and moment invariants. In: IEEE Transactions on Image Processing. 2014 ; Vol. 23, No. 2. pp. 596-611.
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