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Theory of Probability and Mathematical Statistics

ISSN 1547-7363(online) ISSN 0094-9000(print)

   
 
 

 

On the least squares estimator asymptotic normality of the multivariate symmetric textured surface parameters


Authors: A. V. Ivanov and I. M. Savych
Journal: Theor. Probability and Math. Statist. 105 (2021), 151-169
MSC (2020): Primary 62J02; Secondary 62J99
DOI: https://doi.org/10.1090/tpms/1161
Published electronically: December 7, 2021
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Abstract | References | Similar Articles | Additional Information

Abstract: A multivariate trigonometric regression model is considered. Various discrete modifications of the similar bivariate model received serious attention in the literature on signal and image processing due to multiple applications in the analysis of symmetric textured surfaces. In the paper asymptotic normality of the least squares estimator for amplitudes and angular frequencies is obtained in multivariate trigonometric model assuming that the random noise is a homogeneous or homogeneous and isotropic Gaussian, in particular, strongly dependent random field on $\mathbb {R}^M,\,\, M>2.$


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Additional Information

A. V. Ivanov
Affiliation: Department of Mathematical Analysis and Probability Theory, Faculty of Physics and Mathematics, National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”, Peremohy Avenue, 37, Kyiv 03057, Ukraine
Email: alexntuu@gmail.com

I. M. Savych
Affiliation: Department of Mathematical Analysis and Probability Theory, Faculty of Physics and Mathematics, National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”, Peremohy Avenue, 37, Kyiv 03057, Ukraine
Email: sim7ka@gmail.com

Keywords: Multivariate trigonometric model, texture surface, homogeneous and isotropic Gaussian random field, covariance function, spectral density, least squares estimate in the Walker sense, linearization theorem, asymptotic uniqueness, spectral measure of regression function, Brouwer fixed-point theorem, $\mu$-admissibility, asymptotic normality
Received by editor(s): July 28, 2021
Published electronically: December 7, 2021
Article copyright: © Copyright 2021 Taras Shevchenko National University of Kyiv