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    • 100. 发明授权
    • Method and apparatus for calibrating video camera
    • 校准摄像机的方法和装置
    • US08436904B2
    • 2013-05-07
    • US12757211
    • 2010-04-09
    • Kai LiJing WangYuan LiuPing Fang
    • Kai LiJing WangYuan LiuPing Fang
    • H04N13/02H04N17/00
    • G06T7/80G06T2207/30208
    • A method for calibrating the video camera includes: obtaining the internal and external parameters of the video camera according to a reference template; recording data of a reference object in the scene; obtaining images of the reference object from at least two perspectives; and obtaining the internal and external parameters of the video camera according to the recorded data of the reference object. An apparatus for calibrating the video camera includes: a preliminary calibration unit, configured to obtain the internal and external parameters of the video camera according to a reference template, and record the data of a reference object in the scene; a recalibration unit, configured to obtain images of the reference object from at least two perspectives, and obtain the internal and external parameters of the video camera according to the recorded data of the reference object. The invention is applicable to various scenes and features simple operations.
    • 用于校准摄像机的方法包括:根据参考模板获得摄像机的内部和外部参数; 在场景中记录参考对象的数据; 从至少两个角度获取参考对象的图像; 以及根据参考对象的记录数据获得摄像机的内部和外部参数。 用于校准摄像机的装置包括:初步校准单元,被配置为根据参考模板获得摄像机的内部和外部参数,并将参考对象的数据记录在场景中; 重新校正单元,被配置为从至少两个角度获得参考对象的图像,并且根据参考对象的记录数据获得摄像机的内部和外部参数。 本发明适用于各种场景和功能简单的操作。