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1. 发明申请

WO2013144799A1 MRI METHOD FOR ASSIGNING INDIVIDUAL PIXELS OR VOXELS TISSUE - SPECIFIC PET ATTENUATION VALUES 审中-公开
标题翻译：用于识别个体像素或VOXELS组织的MRI方法 - 特异性PET衰减值
公开(公告)号：WO2013144799A1
公开(公告)日：2013-10-03
申请号：PCT/IB2013/052288
申请日：2013-03-22
申请人： KONINKLIJKE PHILIPS N.V. , UNIVERSITY HOSPITALS MEDICAL GROUP INC
发明人： TRAUGHBER, Bryan James , KOTYS, Melanie Suzanne , MUZIC, Raymond Frank Jr
IPC分类号： G01R33/48 , G01T1/29
CPC分类号： G06T7/0012 , G01R33/481 , G01R33/543
摘要： A magnetic resonance (MR) system (10) generates an attenuation or density map. The system (10) includes a MR scanner (48) defining an examination volume (16) and at least one processor (54). The at least one processor (54) is programmed to control the MR scanner (48) to apply imaging sequences to the examination volume (16). In response to the imaging sequences, MR data sets of the examination volume (16) are received and analyzed to identify different tissue and/or material types found in pixels or voxels of the attenuation or density map. One or more tissue-specific and/or material-specific attenuation or density values are assigned to each pixel or voxel of the attenuation or density map based on the tissue and/or material type(s) identified as being in each pixel or voxel during the analysis of the MR data sets. In one embodimnt, the tissue and/or material types are identified on the basis of a time series of MR phase images.
摘要翻译：磁共振（MR）系统（10）产生衰减或密度图。系统（10）包括限定检查体积（MR）的MR扫描器（48）和至少一个处理器（54）。至少一个处理器（54）被编程为控制MR扫描器（48）以将成像序列应用于检查体积（16）。响应于成像序列，接收并分析检查体积（16）的MR数据集，以识别在衰减或密度图的像素或体素中发现的不同组织和/或材料类型。基于被识别为在每个像素或体素中的组织和/或材料类型，将衰减或密度图的每个像素或体素分配给一个或多个组织特异性和/或材料特异性衰减或密度值分析MR数据集。在一个实施例中，基于MR相图像的时间序列来识别组织和/或材料类型。

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