Articles with "discrete orthogonal" as a keyword



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Fast Reconstruction of 3D Images Using Charlier Discrete Orthogonal Moments

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Published in 2019 at "Circuits, Systems, and Signal Processing"

DOI: 10.1007/s00034-019-01025-0

Abstract: We propose a new algorithm for accelerating the computation time of Charlier discrete orthogonal moments for three-dimensional (3D) images, based on two fundamental notions: The first is a new representation of 3D images called image… read more here.

Keywords: reconstruction; discrete orthogonal; time charlier; orthogonal moments ... See more keywords
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Moments of discrete orthogonal polynomial ensembles

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Published in 2020 at "Electronic Journal of Probability"

DOI: 10.1214/20-ejp472

Abstract: We obtain factorial moment identities for the Charlier, Meixner and Krawtchouk orthogonal polynomial ensembles. Building on earlier results by Ledoux [Elect. J. Probab. 10, (2005)], we find hypergeometric representations for the factorial moments when the… read more here.

Keywords: discrete orthogonal; moments discrete; factorial moments; polynomial ensembles ... See more keywords