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1、2010InternationalConferenceonIntelligentComputationTechnologyandAutomationAnalysisofImageEdgeCheckingAlgorithmsfortheEstimationofPearSizeYanruZhaoJihuaChangTheCollegeofMechanicalandPowerEngineeringTheCollegeofMechanicalandPowerEngineeringHenanPolytechnicUniversityHenanP
2、olytechnicUniversityJiaozuo,HenanProvince,454000,P.R.ChinaJiaozuo,HenanProvince,454000,P.R.Chinayanruzhao@163.comchangjihua08@126.comAbstract—Thelower-layerimageprocessingalgorithmisthevaluesexperienceastepchangeandexistamongtheobjects,basisofpearon-lineautomaticgrading
3、withmachinevision.thebackgroundandtheprimitives[3].TheedgeisoneoftheTheedgedetectionalgorithmsandedgethinningalgorithmsofimportantcharacteristicsfortheanalysisoftheimage.thelower-layerimageprocessingwereanalyzedandthelower-Theedgesappearwiththediscontinuousformsofthelay
4、erprocessingalgorithmsuitabletofruitgradingwaspartcharactersoftheimage,suchasthemutationofgrayobtainedinthework.Theedgedetectiontechniqueisoneofvalue,thecolorandthetexturestructure.Essentially,thethetechnologiestodisplaytheimagecontourdistinctlywithedgesusuallymeantheen
5、dofoneareaandthethresholdofedgeenhancement.Theedgethinningistoprocessthecontourtheotherarea.Theedgesofimagehavetwocharacters,thelinesindifferentsizestolineswiththewidthofonlyonepixel.directionandtheextent.Usually,thepixelsalongwiththeSeveralclassicaldifferenceoperatorsf
6、oredgedetection,suchedgechangemildlyandthatverticaltotheedgeseverelyandasRobertedgeoperator,Sobeledgeoperator,Prewittedgethechangesmaypresentthesteptype,thebeveledgetypeoperatorandKirschedgeoperatorwereintroduced.Theedgedetectedwiththeclassicaloperatorswasverythick,ande
7、venandtheflangetype,asshowninFig.1.Thechangesarewithcomplexformornotsmooth,sothetemplatedetectioncorrespondingtodifferentphysicalstatesofthesceneryalgorithmwasputforwardtomeasurethepear’sedgeanditsrespectively,suchasthesteptypeisusuallycorrespondingtostepswereshowndetai
8、ledly.TheHilditchthinningmethodwasthedepthorreflectingboundaryofthetargetandboththeadoptedtodealwiththeedgeima
