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Optical measurement method and measurement system for determining 3D coordinates on a measurement object surface
Optical measurement method and measurement system for determining 3D coordinates on a measurement object surface
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机译:用于确定测量对象表面上的3D坐标的光学测量方法和测量系统
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摘要
A measurement object surface is illuminated with a pattern sequence of various patterns using a projector, which is recorded with a camera system, and the 3D coordinates for the measurement points are determined by evaluation of the image sequence. While the image sequence is being recorded translational and/or rotational accelerations of the projector, the camera system and/or the measurement object are measured at least at a measurement rate such that in each case a plurality of values for the accelerations are acquired. It is thus possible, on the basis of the measured accelerations, to take into account algorithmically, when determining the 3D coordinates, movements of the projector, the camera system and/or the measurement object, which movements occur during the illumination times of the respective individual images of the image sequence and provoke unsteadiness and/or motion blur in the respective individual images of the image sequence.
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