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《Control and Instruments in Chemical Industry》 2012-07
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Study of Locating Oval Marking Point Centre in Portable Light Pen Measuring System

WANG Xiang-hua,ZHANG Guang-ming,WANG Wei,LIU Li-jian(School of Automation & Electrical Engineering,Nanjing University of Technology,Nanjing 210009,China)  
Locating oval marking point center in portable light pen measuring system was studied.According to imaging character of the marking point detected,the normalized coordinate data were combined with weighted least squares method of optimal objective function to have the coordinate of oval marking point center solved.
【CateGory Index】: TP274
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