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《Computer Knowledge and Technology》 2010-12
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Research of Binary Conversion based on License Plate Recognition

MAO Xiao-jiao(Nanjing Normal University School for Intensive Instruction,Nanjing 210046,China)  
Binary is a key step of image preprocessing in License Plate Recognition system.Because of the inconstant environment,License Plates have varying degrees of sunlight,which makes the Binary Conversion with a definite value much harder.Analysis and research were done to the grey level image of License Plate in this paper,and put forward a solution based on the contrast stretching algorithm in image processing of remote sensing,it's a improved algorithm to the Binary Conversion with a definite value.Also carry out Binary Conversion on images took in different sunlight,the results shows the improved algorithm is quick and effective.
【CateGory Index】: TP391.41
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