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《Electrical Measurement & Instrumentation》 2004-04
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The moldplate-matching method based on the several characteristic parameters of the meter pointer gray

Dai Yawen,Wang Sanwu,Wang Xiaoliang (Wuhan University of Technology,Wuhan 430070,China)  
This paper puts forward the crux algorithm that identifies automatically the position and direction of the pointers of meter with techniques of the image processing. Considering the optics of the non-uniform shining on the meter and the shadow jam of pointers,the author employs the moldplate-matching method based on the several characteristic parameters of the pointers of the meter to recognize the indicating values of the pointer.The characteristic parameters include the area,the gray,the shape and the information of distribution of the pointer's gray. These series of processing methods offer high stability and good repetition.
【CateGory Index】: TP21
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【References】
Chinese Journal Full-text Database 4 Hits
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Chinese Journal Full-text Database 2 Hits
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【Co-citations】
Chinese Journal Full-text Database 9 Hits
1 Zhang Zhuan,Zhong Linguo,Zhu Zhigang(Zhejiang University, hangzhou, 310028,China);AMR system based on acquisition and processing of image[J];Electrical Measurement & Instrumentation;2004-10
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4 WANG San-wu,DAI Ya-wen,JING Ren-kun WANG San-wu:Assoc. Prof.; School of Mechanical and Electrical Engineering, WUT, Wuhan 430070, China.;A Method of Automatic Indication Recognition for a Multi-Pointer Meter by Image Processing and Recognizing[J];Journal of Wuhan Automotive Polytechnic University;2003-06
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【Co-references】
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【Secondary References】
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