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    • 1. 发明授权
    • Coordinate-measuring machine for non-contact measurement of objects
    • 坐标测量机用于非接触式测量物体
    • US5285397A
    • 1994-02-08
    • US616627
    • 1990-11-21
    • Helmut HeierKlaus-Peter KochKarl-Hermann Breyer
    • Helmut HeierKlaus-Peter KochKarl-Hermann Breyer
    • G01B11/00G01B11/02G01B11/03
    • G01B11/002G01B11/024Y10S367/907
    • A plurality of video cameras (7a-d) are mounted on a table which is adapted support a workpiece or other object to be measured, and the mounting of each camera to the table provides for controlled universal orientation of each camera via an articulating head having provision for selective rotation about each of two orthogonally related axes. The table is provided with vibration damping, whereby both the measured object, and the cameras which provide triangulation data for each measurement, can operate from the same rigid base, isolated from external sources of mechanical shock. The video signals of the cameras are fed, along with instantaneous optical-axis orientation data for each camera, to the computer of a coordinate-measuring machine. The computer relies upon stored calibration data and angular-position data sensed about each of the rotary axes of the articulating heads to derive the orientation data; and the computer additionally relies on video-image analysis to calculate the coordinates of each measured point on the object.
    • 多个摄像机(7a-d)安装在适于支撑待测量的工件或其他物体的工作台上,并且将每个摄像机安装到桌子上,通过铰接头提供每个摄像机的受控通用定向, 提供用于围绕两个正交相关轴中的每一个进行选择性旋转。 该台具有减震功能,由此可以测量物体和为每次测量提供三角测量数据的摄像机,可以从与机械冲击外部隔离的同一刚性基座上操作。 摄像机的视频信号与每个摄像机的瞬时光轴取向数据一起馈送到坐标测量机的计算机。 计算机依赖于存储的校准数据和关于铰接头的每个旋转轴的感测角位置数据以导出取向数据; 并且计算机另外依靠视频图像分析来计算对象上每个测量点的坐标。
    • 3. 发明授权
    • Method and apparatus for non-contact measurement of object surfaces
    • 用于非接触式测量物体表面的方法和装置
    • US5251156A
    • 1993-10-05
    • US728557
    • 1991-07-11
    • Helmut HeierKlaus-Peter KochKarl-Hermann Breyer
    • Helmut HeierKlaus-Peter KochKarl-Hermann Breyer
    • G01B11/00G01B11/24
    • G01B11/005
    • Pictures of an object to be measured are taken from several different positions or aspects by a video camera which is mounted via a two-axis articulating head to the measurement arm of a coordinate-measuring machine. The pictures taken from the different positions or aspects are stored and are evaluated with respect to the coordinates of characteristic points of interest on the surface of the object by the method of space intersection, known from photogrammetry. And, in this connection, the position-measurement values supplied by the scales of the coordinate-measuring machine and the angle-measurement values supplied by the articulating head are used for a calculated determination of the coordinates for each of the points of interest on the surface of the object.
    • 要被测量的物体的照片是通过摄像机从几个不同的位置或方面拍摄的,摄像机通过两轴铰接头安装在坐标测量机的测量臂上。 通过摄影测量学已知的从不同位置拍摄的图像被存储并且通过空间交叉的方法相对于对象表面上的感兴趣特征点的坐标进行评估。 并且,在这方面,由坐标测量机的刻度提供的位置测量值和由铰接头提供的角度测量值用于计算每个感兴趣点的坐标的确定 物体的表面。