Optical measurement method and measurement system for determining 3D coordinates on a measurement object surface
摘要:
An optical measurement method for determining 3D coordinates of a plurality of measurement points on a measurement object surface. The measurement object surface is illuminated with a pattern sequence of different patterns by a projector, an image sequence of the measurement object surface illuminated with the pattern sequence is recorded with a camera system, and the 3D coordinates of the measurement points are determined by evaluating the image sequence, in particular wherein a succession of brightness values for identical measurement points on the measurement object surface is ascertained in respective images of the recorded image sequence. Translational and/or rotational accelerations of the projector, of the camera system and/or of the measurement object are measured here and, in dependence on the measured accelerations, the illumination of the measurement object surface and/or the recording of the image sequence is/are reactively adapted, in particular temporally substantially directly and live during the measurement process.
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