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    • 8. 发明申请
    • Automatic Alignment of Magnetic Resonance Imaging (MRI) Brain Scan By Anatomic Landmarks
    • 磁共振成像(MRI)脑扫描自动对准解剖标志
    • US20090093706A1
    • 2009-04-09
    • US12165830
    • 2008-07-01
    • Li ZhangCarol L. NovakQing XuChong Chen
    • Li ZhangCarol L. NovakQing XuChong Chen
    • A61B5/055
    • A61B5/055A61B5/417A61B5/4504
    • A method to automatically align magnetic resonance (MR) brain scans for diagnostic scan planning, including: acquiring a three-dimensional (3D) localizer image of a patient; selecting a two-dimensional (2D) coronal view and a 2D transverse view from the localizer image; identifying a mid-sagittal plane (MSP) line in each of the coronal and transverse views and calculating a 3D MSP based on the MSP lines; reconstructing the localizer image based on an equation for the 3D MSP to obtain an image of the MSP of the patient's brain; identifying crista galli (CG) and tip of the occipital bone (TOB) in the image of the MSP of the patient's brain; calculating a transformation matrix based on the MSP, CG and TOB in the image and using the transformation matrix to obtain a scan plan for the patient; and outputting the scan plan for the patient.
    • 一种用于自动对准用于诊断扫描计划的磁共振(MR)脑扫描的方法,包括:获取患者的三维(3D)定位器图像; 从定位器图像中选择二维(2D)冠状视图和2D横向视图; 识别每个冠状和横向视图中的中矢状面(MSP)线,并基于MSP线计算3D MSP; 基于3D MSP的等式重建定位器图像以获得患者脑的MSP的图像; 在患者大脑的MSP图像中识别嵴(CG)和枕骨顶端(TOB); 基于图像中的MSP,CG和TOB计算变换矩阵,并使用变换矩阵获得患者的扫描方案; 并输出病人的扫描方案。