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28 August 1992 Solution method of the effect of scattering to laser-CCD measure system
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In fogging, using laser and CCD sensor (charge coupled device) measuring, because of scattering effect to laser and other light, the output signal from CCD is not stable and make errors. For example, measuring the diameter of cable by laser and CCD on vulcanization line, there is vapor around cable, so it can produce water bead and line on cable and window used to observe. The fogging and water make the measure result neither stable nor accuracy. A special signal processing method of CCD which combines soft-ware with hard-ware is deeply discussed in this paper. The experiment has proved that this method to measure the diameter of cable is absolutely feasible and very successful.
© (1992) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Fuhua Gao, Min-Quan Shao, Yu-Liang Chong, and Xing-Yu Wu "Solution method of the effect of scattering to laser-CCD measure system", Proc. SPIE 1693, Surveillance Technologies II, (28 August 1992);

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