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- W2003398990 abstract "An optical probe imaging based, fully automatic and rather flexible stereo vision system for 3D coordinate on-line measurement is presented and analyzed. In this system, the relative position of the two cameras can easily be calibrated by observing an optical reference bar in different locations and orientations through the measurement according to epipolar constraint and the certified distance of the features on the reference bar. For measurement, the system takes an optical probe, which has one reference mark and five optical feature points, as imaging target, and makes use of the measurement results of these feature points space coordinates to calculate the measured object point coordinate which contacts with probe tip. To improve the calibration and measurement accuracy, the system takes infrared LED as optical feature point, and optimized signal to noise ratio by automatic LED light intensity, located these feature imaging points by bilinear centroid sub-pixel algorithm. The effectiveness of the proposed system has been test by experiments." @default.
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- W2003398990 date "2002-09-10" @default.
- W2003398990 modified "2023-10-18" @default.
- W2003398990 title "Optical-probe-imaging-based stereo cameras 3D coordinate measuring system" @default.
- W2003398990 doi "https://doi.org/10.1117/12.481740" @default.
- W2003398990 hasPublicationYear "2002" @default.
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