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Computer Optics, 2018, Volume 42, Issue 4, Pages 679–687
DOI: https://doi.org/10.18287/2412-6179-2018-42-4-679-687
(Mi co549)
 

This article is cited in 24 scientific papers (total in 24 papers)

IMAGE PROCESSING, PATTERN RECOGNITION

Adaptive interpolation of multidimensional signals for differential compression

A. I. Maksimov, M. V. Gashnikov

Samara National Research University, 34, Moskovskoye shosse, Samara, 443086, Samara, Russia
References:
Abstract: Algorithms of interpolation of multidimensional signals for differential compression are investigated. We propose an approach for constructing adaptive interpolators based on the automatic selection of an interpolating function at each point of the signal. The selection is made with the use of attributes calculated from the point’s local neighborhood. An adaptive multidimensional interpolator is developed with this approach. It automatically selects an interpolating function at each point of the signal, providing improved contour interpolation accuracy. The choice is made by a decision rule based on a local characteristic of distinctness and direction of the contour. The proposed interpolator is implemented for a three-dimensional case. The interpolator switches between six interpolating functions: an averaging function and functions that take into account contours of five directions. An experimental study of the proposed algorithm is carried out on three-dimensional hyper spectral remote sensing data. The proposed interpolator allows increasing the efficiency of differential compression.
Keywords: interpolation, multidimensional signal, adaptivity, compression, compression ratio, error.
Funding agency Grant number
Russian Foundation for Basic Research 18-01-00667 а
18-07-01312 а
The work was funded by the Russian Foundation for Basic Research under RFBR grants Nos. 18-01-00667 and 18-07-01312.
Received: 08.05.2018
Accepted: 20.06.2018
Document Type: Article
Language: Russian
Citation: A. I. Maksimov, M. V. Gashnikov, “Adaptive interpolation of multidimensional signals for differential compression”, Computer Optics, 42:4 (2018), 679–687
Citation in format AMSBIB
\Bibitem{MakGas18}
\by A.~I.~Maksimov, M.~V.~Gashnikov
\paper Adaptive interpolation of multidimensional signals for differential compression
\jour Computer Optics
\yr 2018
\vol 42
\issue 4
\pages 679--687
\mathnet{http://mi.mathnet.ru/co549}
\crossref{https://doi.org/10.18287/2412-6179-2018-42-4-679-687}
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  • https://www.mathnet.ru/eng/co549
  • https://www.mathnet.ru/eng/co/v42/i4/p679
  • This publication is cited in the following 24 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    Computer Optics
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