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Sibirskie Èlektronnye Matematicheskie Izvestiya [Siberian Electronic Mathematical Reports], 2024, Volume 21, Issue 1, Pages 307–314
DOI: https://doi.org/10.33048/semi.2024.21.023 (Mi semr1686) 		 
Computational mathematics

Correction of intensity inhomogeneity in magnetic resonance images using ramp filter

I. G. Kazantseva, A. K. Tankibayevab, S. K. Kumargazhanovab, B. N. Azamatovb

a The Institute of Computational Mathematics and Mathematical Geophysics, prosp. Akademic Lavrentiev 6, 630090, Novosibirsk, Russia
b D. Serikbayev East Kazakhstan Technical University, D. Serikbayev str. 19, 070004, Ust-Kamenogorsk, Kazakhstan
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DOI: https://doi.org/10.33048/semi.2024.21.023
Abstract: The paper deals with the problem of correcting the intensity nonuniformity in magnetic resonance images. This problem is due to the peculiarities of the imaging equipment, may be caused by magnetic coils, and other technical reasons. In the paper, the method of removing such noise using ramp filter known also as the rho filter is considered. The numerical experiments on test images and real-world images of small animals are presented.
Keywords: magnetic resonance imaging, intensity inhomogeneity correction, bias field, ramp filter.
Funding agency Grant number
Ministry of Science and Higher Education of the Russian Federation 0251-2021-0003
This work was partially supported by the state contract with the Institute of Computational Mathematics and Mathematical Geophysics (project no. 0251-2021-0003).
Received September 24, 2023, published May 23, 2024
Document Type: Article
UDC: 519.6
MSC: 92C55
Language: English
Citation: I. G. Kazantsev, A. K. Tankibayeva, S. K. Kumargazhanova, B. N. Azamatov, “Correction of intensity inhomogeneity in magnetic resonance images using ramp filter”, Sib. Èlektron. Mat. Izv., 21:1 (2024), 307–314
Citation in format AMSBIB
\Bibitem{KazTanKum24}
\by I.~G.~Kazantsev, A.~K.~Tankibayeva, S.~K.~Kumargazhanova, B.~N.~Azamatov
\paper Correction of intensity inhomogeneity in magnetic resonance images using ramp filter
\jour Sib. \`Elektron. Mat. Izv.
\yr 2024
\vol 21
\issue 1
\pages 307--314
\mathnet{http://mi.mathnet.ru/semr1686}
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