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    • 8. 发明授权
    • Method and a system for registering a 3D pre acquired image coordinate system with a medical positioning system coordinate system and with a 2D image coordinate system
    • 方法和系统,用于登记具有医疗定位系统坐标系和2D图像坐标系的3D预获取图像坐标系
    • US09595102B2
    • 2017-03-14
    • US14815319
    • 2015-07-31
    • MediGuide, Ltd.
    • Gera StrommerUzi EichlerLiat Schwartz
    • G06K9/20G06K9/62G06T7/00G06K9/32G06K9/46
    • G06T7/0012G06K9/32G06K9/4604G06K9/6201G06K2209/05G06T7/344G06T2207/30004
    • A method for registering a three dimensional (3D) coordinates system with a Medical Positioning System (MPS) coordinate system and with a two dimensional (2D) coordinate system, includes acquiring at least one 2D image of a volume of interest, the volume of interest including at least one tubular organ within the body of a patient. The 2D image is associated with the 2D coordinate system, and a plurality of MPS points is acquired, within the at least one tubular organ. The MPS points are associated with the MPS coordinate system, the MPS coordinate system being registered with the 2D coordinate system. A 3D image model is extracted of the at least one tubular organ form a pre-acquired 3D image of the volume of interest. A volumetric model of the at least one tubular organ from the 2D image is estimated and from the acquired MPS points, the 3D coordinate system is registered with the MPS coordinate system and with the 2D coordinate system by matching the extracted 3D image model and the estimated volumetric model of the at least one tubular organ.
    • 一种用医学定位系统(MPS)坐标系统和二维(2D)坐标系进行三维(3D)坐标系统的记录方法,包括获取感兴趣体积的至少一个2D图像,感兴趣的体积 包括在患者体内的至少一个管状器官。 2D图像与2D坐标系相关联,并且在至少一个管状器官内获取多个MPS点。 MPS点与MPS坐标系相关联,MPS坐标系被注册到2D坐标系。 提取所述至少一个管状器官的3D图像模型,形成感兴趣体积的预先获取的3D图像。 估计来自2D图像的至少一个管状器官的体积模型,并且从所获取的MPS点,通过使所提取的3D图像模型和所估计的3D图像模型匹配,将3D坐标系统与MPS坐标系统和2D坐标系统对齐 至少一个管状器官的体积模型。