Geodesic
Correction of intensity inhomogeneity in magnetic resonance images using ramp filter
Sibirskie èlektronnye matematičeskie izvestiâ, Tome 21 (2024) no. 1, pp. 307-314.

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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. 
@article{SEMR_2024_21_1_a34,
     author = {I. G. Kazantsev and A. K. Tankibayeva and S. K. Kumargazhanova and B. N. Azamatov},
     title = {Correction of intensity inhomogeneity in magnetic resonance images using ramp filter},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {307--314},
     publisher = {mathdoc},
     volume = {21},
     number = {1},
     year = {2024},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2024_21_1_a34/}
}
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I. G. Kazantsev; A. K. Tankibayeva; S. K. Kumargazhanova; B. N. Azamatov. Correction of intensity inhomogeneity in magnetic resonance images using ramp filter. Sibirskie èlektronnye matematičeskie izvestiâ, Tome 21 (2024) no. 1, pp. 307-314. http://geodesic.mathdoc.fr/item/SEMR_2024_21_1_a34/