基于BP神经网络的车型识别-外文翻译

一、外语资料licenseplaterecognitionbasedonpriorknowledgeabstract-in this paper anewalgorithmbasedonimprovedbp (back propagation ) neuralnetworkforchinesevehiclelicenseplaterecognition (l isdescribebed.thepropacedapproachproviders解决方案forvehicle许可证平台(vlp ) hiwheweitheaddedseverierely.whittiremailbydiffersfromthetraditionalmesstheapplicationofpronentoflen ocedure of location segnation rlecollocolllocolllocationisusedtolocatethelicenseplateintheimage.dimensionsofeacharacterareconstant hichisusedtosestosecha thechinesevlsisanimportantfeature hichisusedtoconstructionaccifierforrecognizing.theexiperementallresshowththeimprementational索引终端许可证规范，prior知识，vehicle许可证板，neural network。I. INTRODUCTIONVehicle License-Plate (VLP )但是，重要的是变化剧烈的问题是red traffic infringement， roadsurveysandparksecurity 1.vlprecognitionsystemconsistsoftheplatelocation， the characters segmentation和thecharacterrecognition .这些任务beomeromodesopsiticaticatiddwhendedatingwitpremestimationvarioninv 气象条件和清洁线是itrequiresnotonlyaccuracybutalsofastprocessing.mostexistingvlprecognitionmethods 2、3、4， 5 recomplethecompleyityandincreasetherecognitionratebyusingsemesspandestablisingsontheposition、distancefromthecameratovehic andtheinclinedangles.Inc addition，neuralnetworkwasusedtoincreasetherecognitionrate 6； 但是thettraditionalrecognitionmethodsseldomconsidertthepriorknowledgeofthelocalvlps.in this paper werproppropsedanewimprementhep icallogrationspecificfeaturesofchinesevlps.theproppro convergenceofbpneuralnetwork 8和remairkableincrectinstherecongrationreii.specificfeaturesofchinesevlpsA. Dimensionsaccordingtotheguidelineforvehicleinspection 9， allicenstruceplatesmustberchrectangularandhavethedimensandhavelesthedimensalicallinasingleline.underpracticalenvironments the iclesandtheinclinedanglesareconstant， sollcatesofthelicenseplatehaveafixedwidth andthecontheditenthemedementasoftdandingcharactersisfixedandtherotiontbewidth ant.feature.scanbeusedtolocatetheplateandsegmenttheindividualcharacter。b .色彩色调整板。therearefreffrecondsofcolllecolllocollloptionforthechinesevehicle牌照表格一许可证模板的类别。以及色彩彩色调。小型horse电源板bluebackgroundandwhitecharacters摩托轨迹板。yellowbackgroundandblackcharactersmilitaryvehicleandpolicywagonplate黑色backgroundandthewhitecharactersembassy vehicle板whitebackgroundandblackcharactersMoreover，militaryvehicleandpolicywagonplascontaredcharacterwhichbelongstoaspecificcharacterset.thisfereaturecandusetoimprovec.Chinese vlps的布局thecritionofthevehiclelicenseplatedefinesthecharacterslayoutofchineselicenseplate.allstandardelliticelecontrationchinesechara erswhichareshowinfig.1.thefirstoneisachinechachisanabbreviationofchineseprovinces.thesecondoneisa aterterrrangingfromattozes thttthttthtttthttthttthtthtthetthettthetthe to9only.howeverthefirstortheseithonesmayberedcharactersinspecialplates (ass . fatersegenationandcollogrationprocestheidividividiticalcharacterisextracted.takingvandthethe theidindividinitialcharrewill abbreviationsofchineseprovincesset，letters set，letters or numbers set，number set，special characters set。辽BA9083Chinese角色列表角色列表信件信件或number型Number型(a )类型布局辽BB092警察Chinese角色列表角色列表信件信件或number型特别红角色列表(b )特殊角色fig.1 thelayoutofthechineselicenseplateiii.thepropedsalgorithmthisalgorithmconsistsoffourmodules : VLP位置，字符分段字符hensividinitioncalchareimenterstheclass ide which class it andforylitythebpnetworkecodeshichcharchecharacterimagerepresents。Image acquisition板位置(Plate location )characterssegentationsegmentationclassifierChinese角色列表信件信件或number型Nu