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    • 21. 发明申请
    • TIGHT OPTICAL INTERGATION (TOI) OF IMAGES WITH GPS RANGE MEASUREMENTS
    • 具有GPS范围测量的图像的轻度光学信号(TOI)
    • WO2010088290A1
    • 2010-08-05
    • PCT/US2010/022262
    • 2010-01-27
    • ARTHUR, Thomas, D.ZHU, ZhenBHATTACHARYA, SumitDE HAAG, Maarten, UijtSCHEFF, Kim, Michael
    • ARTHUR, Thomas, D.ZHU, ZhenBHATTACHARYA, SumitDE HAAG, Maarten, UijtSCHEFF, Kim, Michael
    • G01S5/14
    • G01S19/45
    • A method of determining the position of a user in 3D space is disclosed. In one example, the method comprises utilizing range measurements from one or more GPS satellite vehicles, angular information of a camera located at the user position, and a camera image associated with one or more known markers. The method further comprises determining the angular information of the camera by determining a direction cosine matrix between a camera frame of reference and an earth frame of reference, and designating unit vectors that individually extend from a position within the camera image associated with one of the known markers through the camera focal point to the respective known marker The method also includes integrating into an ordinary least squares matrix, the GPS range measurements, the angular information of the camera, and the unit vectors, and calculating the user position by solving the ordinary least squares matrix.
    • 公开了一种确定用户在3D空间中的位置的方法。 在一个示例中,该方法包括利用来自一个或多个GPS卫星车辆的距离测量值,位于用户位置的相机的角度信息以及与一个或多个已知标记相关联的摄像机图像。 该方法还包括通过确定相机参考系参考系和地球参考系之间的方向余弦矩阵来确定相机的角度信息,以及指定单元向量,其从相机图像内的与已知 通过相机焦点将标记通过相应的已知标记。该方法还包括将常规最小二乘矩阵,GPS范围测量,照相机的角度信息和单位向量进行集成,并且通过求解普通最小二乘法来计算用户位置 正方形矩阵。