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REDUCING IMAGING TIME OF TIME-RESOLVED, 3DPIC WITH 2D AUTOCALIBRATED PI

REDUCING IMAGING TIME OF TIME-RESOLVED, 3DPIC WITH 2D AUTOCALIBRATED PI
使用 2D 自动校准 PI 缩短时间分辨 3DPIC 的成像时间
批准号:
8362940
负责人:
MARCUS T ALLEY
金额:
$1.95万
依托单位:
依托单位国家:
美国
项目类别:
财政年份:
2011
资助国家:
美国
项目状态:
已结题
起止时间:
2011-04-01 至 2012-03-31

项目摘要

项目成果

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中文摘要
翻译
这个子项目是利用资源的许多研究子项目之一。 由NIH/NCRR资助的中心拨款提供。对子项目的主要支持 子项目的首席调查员可能是由其他来源提供的, 包括美国国立卫生研究院的其他来源。为子项目列出的总成本可能 表示该子项目使用的中心基础设施的估计数量, 不是由NCRR赠款提供给次级项目或次级项目工作人员的直接资金。 时间分辨三维位相对比磁共振成像(3D-PC MRI)已经发展成为一个活跃的研究领域 血管成像,因为它能够获得沿所有三个主轴的定向流动信息。而3D-PC MRI显示出广泛的应用潜力,一般临床上采用这种方法进行常规血管检查 成像一直受到该技术固有的长采集时间的阻碍。有几个组织已经解决了这个问题 使用并行成像加速一维数据采集的问题。在这项工作中,我们展示了 在面内和切片方向上执行自动校准的并行成像,以显著减少总体扫描 时间到了。 要了解卢卡斯中心正在进行的其他项目,请访问http://rsl.stanford.edu/(卢卡斯年度报告和 ISMRM 2011年摘要)
英文摘要
This subproject is one of many research subprojects utilizing the resources provided by a Center grant funded by NIH/NCRR. Primary support for the subproject and the subproject's principal investigator may have been provided by other sources, including other NIH sources. The Total Cost listed for the subproject likely represents the estimated amount of Center infrastructure utilized by the subproject, not direct funding provided by the NCRR grant to the subproject or subproject staff. Time-resolved 3-dimensional phase-contrast MR imaging (3D-PC MRI) has developed as an active area of research for vascular imaging because of its ability to acquire directional flow information along all three principle axes. While 3D-PC MRI shows potential in a wide range of applications, in general the clinical adoption of this approach for routine vascular imaging has been hampered by the long acquisition times inherent in the technique. Several groups have addressed this issue by using parallel imaging to accelerate data acquisition in one dimension. In this work we demonstrate the ability to perform auto-calibrated parallel imaging in both the in-plane and slice directions to significantly reduce the overall scan time. To read about other projects ongoing at the Lucas Center, please visit http://rsl.stanford.edu/ (Lucas Annual Report and ISMRM 2011 Abstracts)
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会议论文
COMPLETE INTRACRANIAL ARTERIAL AND VENOUS BLOOD FLOW EVALUATION WITH 4D FLOW MRI
  • 批准号:
    8362899
  • 项目类别:
  • 资助金额:
    $1.95万
  • 财政年份:
    2011
  • 负责人:
    MARCUS T ALLEY
  • 依托单位:
MULTIPLE ACQUISITION FAT-SATURATED BALANCED SSFPIMAGING
  • 批准号:
    8169880
  • 项目类别:
  • 资助金额:
    $1.85万
  • 财政年份:
    2010
  • 负责人:
    MARCUS T ALLEY
  • 依托单位:
3D BILATERAL BREAST IMAGING USING SLICE DIRECTION ARC PARALLEL IMAGING
  • 批准号:
    8169840
  • 项目类别:
  • 资助金额:
    $1.85万
  • 财政年份:
    2010
  • 负责人:
    MARCUS T ALLEY
  • 依托单位:
MULTIPLE ACQUISITION FAT-SATURATED BALANCED SSFPIMAGING
  • 批准号:
    7955406
  • 项目类别:
  • 资助金额:
    $1.8万
  • 财政年份:
    2009
  • 负责人:
    MARCUS T ALLEY
  • 依托单位:
海外基金