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    • 7. 发明公开
    • OPTICAL TRACKING SYSTEM AND COORDINATE MATCHING METHOD FOR OPTICAL TRACKING SYSTEM
    • 选择SPURFOLGEVERFAHREN UND KOORDINATENABSTIMMUNGSVERFAHRENFÜR选择SPURFOLGESYSTEM
    • EP3195823A4
    • 2017-09-20
    • EP15843042
    • 2015-09-18
    • KOH YOUNG TECH INC
    • LEE HYUN KI
    • A61B34/00A61B34/20A61B90/00
    • A61B5/06A61B34/20A61B90/36A61B2034/2046A61B2034/2055A61B2034/2057A61B2090/365A61B2090/373G01B11/002
    • An optical tracking system may comprise a reference marker unit stationarily disposed relative to a patient, a shape measurement unit configured to measure the three-dimensional shape of a specified part of the patient corresponding to a three-dimensional image, a tracking sensor unit configured to sense the reference marker unit and the shape measurement unit, and a processing unit. The processing unit may acquire a coordinate transformation relationship between the reference marker unit and the tracking sensor unit and a coordinate transformation relationship between the shape measurement unit and the tracking sensor unit based on a sensing result of the tracking sensor unit, acquire a coordinate transformation relationship between the specified part of the patient and the shape measurement unit based on a measurement result of the shape measurement unit, and define a coordinate system of the patient relative to the reference marker unit from the acquired coordinate transformation relationships.
    • 一种光学追踪系统可以包括:参考标记单元,相对于患者静止地设置;形状测量单元,被配置为测量与三维图像相对应的患者的特定部分的三维形状;跟踪传感器单元,被配置为 感测参考标记单元和形状测量单元,以及处理单元。 处理单元可以基于跟踪传感器单元的感测结果获取参考标记单元和跟踪传感器单元之间的坐标转换关系以及形状测量单元和跟踪传感器单元之间的坐标转换关系,获取坐标转换关系 基于所述形状测量单元的测量结果,在所述患者的所述指定部位与所述形状测量单元之间,根据所获取的坐标转换关系来定义所述患者相对于所述基准标记单元的坐标系。