지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
In this paper, we introduce motion artifact reduction algorithm for interleaved MRI using an advanced 3D approximation algorithm. The motion artifact framework of this paper is data corrected by post-processing with a new 3-D approximation algorithm which uses data structure for each voxel. In this study, we simulate and evaluate our algorithm using Shepp-Logan phantom and T1-MRI template for both scattered dataset and uniform dataset. We generated motion artifact using random generated motion parameters for the interleaved MRI. In simulation, we use image coregistration by SPM12 (https://www.fil.ion.ucl.ac.uk/spm/) to estimate the motion parameters. The motion artifact correction is done with using full dataset with estimated motion parameters, as well as use only one half of the full data which is the case when the half volume is corrupted by severe movement. We evaluate using numerical metrics and visualize error images.
목차
등록된 정보가 없습니다.
참고문헌 (12)
참고문헌 신청
Pipe JG / 1999 / Motion Correction with PROPELLER MRI : application to head motion and free-breathing cardiac imaging / Magn Reson Med 42:963~969
Stuckey S / 2007 / Hyperintensity in the subarachnoid space on FLAIR MRI / Neuroradiology 189(4):913~921
Ro YM / 1994 / Intra-Motion Compensation Using CSRS method in MRI / J. of KOSOMBE 15(4):377~382
Welch EB. / 2002 / Motion correction using the kspace phase difference of orthogonal acquisitions / Magn. Res. in Med. 48:147~156
Nam H. / 2015 / Motion correction of magnetic resonance imaging data by using adaptive moving least squares method / Meg Res Imaging 33:659~670
Stuckey S / 2007 / Hyperintensity in the subarachnoid space on FLAIR MRI / Neuroradiology 189(4):913~921
Ro YM / 1994 / Intra-Motion Compensation Using CSRS method in MRI / J. of KOSOMBE 15(4):377~382
Welch EB. / 2002 / Motion correction using the kspace phase difference of orthogonal acquisitions / Magn. Res. in Med. 48:147~156
Nam H. / 2015 / Motion correction of magnetic resonance imaging data by using adaptive moving least squares method / Meg Res Imaging 33:659~670
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