CORRECTION OF INTENSITY INHOMOGENEITY IN MAGNETIC RESONANCE IMAGES USING RAMP FILTER

被引：0
|
作者：
Kazantsev, I. G. [1 ]
Tankibayeva, A. K. [2 ]
Kumargazhanova, S. K. [2 ]
Azamatov, B. N. [2 ]
机构：
[1] Inst Computat Math & Math Geophys, Prosp Akad Lavrentiev 6, Novosibirsk 630090, Russia
[2] D Serikbayev East Kazakhstan Tech Univ, D Serikbayevstr 19, Ust Kamenogorsk 070004, Kazakhstan
来源：
SIBERIAN ELECTRONIC MATHEMATICAL REPORTS-SIBIRSKIE ELEKTRONNYE MATEMATICHESKIE IZVESTIYA | 2024年 / 21卷 / 01期
关键词：
magnetic resonance imaging; intensity inhomogeneity; correction; bias field; ramp filter;
D O I：
10.33048/semi.2024.21.023
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
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.
引用
收藏
页码：307 / 314
页数：8
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