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Pseudo-Zernike polynomials : ウィキペディア英語版 | Pseudo-Zernike polynomials In mathematics, Pseudo-Zernike polynomials are well known and widely used in the analysis of optical systems. They are also widely used in image analysis as shape descriptors. == Definition == They are an orthogonal set of complex-valued polynomials defined as :
where and orthogonality on the unit disk is given as:
where the star means complex conjugation, and , , are the standard transformations between polar and Cartesian coordinates. The radial polynomials are defined as:
with integer coefficients 〔
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