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学科主题: 基础医学
题名:
Phase-sensitive fat suppression steady-state free procession sequence with phase correction
作者: Zhong-Liang, Zu1; Kun, Zhou1; Shi-Gang, Zhang2; Song, Gao1,3; Shang-Lian, Bao1
关键词: steady-state free precession ; fat suppression ; phase-sensitive ; phase correction
刊名: CHINESE PHYSICS B
发表日期: 2008
卷: 17, 期:1, 页:328-334
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Physics, Multidisciplinary
研究领域[WOS]: Physics
关键词[WOS]: FREE PRECESSION ; MAGNETIC-RESONANCE ; WATER SEPARATION ; MR-ANGIOGRAPHY ; RECONSTRUCTION ; TRUEFISP ; ECHO
英文摘要:

Robust and fast fat suppression is a challenge in balanced steady-state free precession (SSFP) magnetic resonance imaging. Although single-acquisition phase-sensitive SSFP can provide fat-suppressed images in short scan time, phase errors, especially spat ially-dependent phase shift, caused by a variety of factors may result in misplacement of fat and water voxels. In this paper, a novel phase correction algorithm was used to calibrate those phase errors during image reconstruction. This algorithm corrects phase by region growing, employing both the magnitude and the phase information of image pixels. Phantom and in vivo imagings were performed to validate the technique. As a result, excellent fat-suppressed images were acquired by using single-acquisition phase-sensitive SSFP with phase correction.

语种: 英语
WOS记录号: WOS:000253960400058
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/52420
Appears in Collections:基础医学院_生物物理学系_期刊论文

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作者单位: 1.Peking Univ, Beijing City Key Lab Med Phys & Engn, Beijing 100871, Peoples R China
2.Siemens Mindit MRI Ctr, Shenzhen 518112, Peoples R China
3.Peking Univ, Hlth Sci Ctr, Dept Med Phys, Beijing 100083, Peoples R China

Recommended Citation:
Zhong-Liang, Zu,Kun, Zhou,Shi-Gang, Zhang,et al. Phase-sensitive fat suppression steady-state free procession sequence with phase correction[J]. CHINESE PHYSICS B,2008,17(1):328-334.
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