CORRECTION OF INTENSITY INHOMOGENEITY IN MAGNETIC RESONANCE IMAGES USING RAMP FILTER
Kazantsev I.G. Tankibayeva A.K. Kumargazhanova S.K. Azamatov B.N.
2024Sobolev Institute of Mathematics
Siberian Electronic Mathematical Reports
2024#21Issue 1307 - 314 pp.
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 lter known also as the rho lter is considered. The numerical experiments on test images and real-world images of small animals are presented.
bias eld , intensity inhomogeneity correction , magnetic resonance imaging , ramp lter
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The Institute of Computational Mathematics and Mathematical Geophysics, prosp. Akademic Lavrentiev 6, Novosibirsk, 630090, Russian Federation
D. Serikbayev East Kazakhstan Technical University, D. Serikbayev str. 19, Ust-Kamenogorsk, 070004, Kazakhstan
The Institute of Computational Mathematics and Mathematical Geophysics
D. Serikbayev East Kazakhstan Technical University
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