基于MATLAB的柑橘图像预处理及识别系统研究

MATLAB朱莉,覃亚丽(浙江工业大学浙西分校信电系,浙江省衢州市324000):柑橘的识别方法目前主要还是采用劳动强度大工作效率低随意性大客观性不强不符合当前标准化要求的人工检测方法文中运用计算机视觉和模式识别技术,研究了柑橘图像的实时采集与识别技术以及分析软件系统借助MATLAB图像处理工具箱给出了柑橘品质检测中的图像预处理方法,实现了农副产品的品质科学分级的目的:机器视觉;柑橘;图像预处理;MATLAB:TN911.73收稿日期:20070921;修回日期:200802180引言,[1],;,[2],,,,MATLAB(MATrixLABoratory),MATLAB,,1柑橘识别系统设计1.1硬件系统设计11PanasonicWVCP410/GMatroxMatroxMeteor32PCI,,4MB,P4,128MB,40GB,1.31GHz1.2用户界面设计VB,:,;,CCD,DIB;,;,;,3,,222柑橘识别算法2.1图像滤波[3],,,,4134520085ELECTRONICENGINEERVo.l34No.5May2008!!!,,3∀3,332.2图像增强,,[4],,,,,442.3图像分割,,,2:a)ZminZmax,:T0=Zmin+Zmax2b)Tk2,2Z0ZB,Z0=#Z(i,j)TkZ(i,j)N(i,j)#Z(i,j)TkN(i,j)ZB=#Z(i,j)TkZ(i,j)N(i,j)#Z(i,j)TkN(i,j):Z(i,j)(i,j);N(i,j)(i,j),N(i,j)=1.0c):TK+1=Z0+ZB2d)TK=TK+1,,,k∃k+1,b552.4边缘提取6RobertSobelPrewittLaplacianPrewitt,,SobelLaplaeian,,Robert63结束语MATLAB,,,[1].VB[J].:,2003,17(5):47.4220085[2]WOLFSRR,SANCDLERWE.Analgorithmforstemdetectionusingdigitalanalysis[J].TransactionsofASAE,1985,28(2):641644.[3],.[M].:,1996.[4],,,.[J].,1999,15(1):192196.朱莉(1975),女,实验师,主要研究方向为图像识别OrangeImageProcessingBasedonMATLABandIdentificationTechniqueZHUL,iQINYali(WestBranchofZhejiangUniversityofTechnology,Quzhou324000,China)Abstract:Orangedetectionmethodhasmanydefectsatpresen.tForexample,itadoptsmanualimageprocessingmethodfororangequalitydetection,soitcannotguaranteetheobjectivityofdetection,andthedetectioncannotalwaysbeimplementedwithgreatefficiencyandhighspeed,anditcannotmeettherequirementofrequlationandstandardization.UsingcomputervisionandpatternrecognitiontechnologyandMATLABinthispaperwemainlystudiedthetechnologyofacquisitionandrecognitionofrealtimeorangeimage,developedtheanalysissoftwaresystem,achievedthegoalofagriculturalandsubsidiaryproductqualityscientificalgraduation.Keywords:computervision;orange;imageprocessing;MATLAB(上接第14页)73结束语USB,C8051F320,,,[1].PCI[J].,2007,29(1):4143.[2],.USB2.0[M].:,2006.[3],,,.USBDTU[J].,2006,32(5):57.陈桂(1973),女,硕士,副教授,主要从事电力传动及其控制的教学与研究工作DesignofAutomaticControlLaboratorySystemBasedonVirtualInstrumentCHENGGui1,WANQi2(1.NanjingInstituteofTechnology,Nanjing210013,China;2.NanjingResearchInstituteofElectronicsTechnology,Nanjing210013,China)Abstract:Seeingshortcomingsoftraditionalautomaticcontrolexperimentteachingsystem,thispaperintroducestheadvantagesandsignificanceofthevirtualinstrumentusedinautomaticcontrolteaching.Aschemeandconstructionofanautomaticcontrollaboratorysystemisproposed.Inthesystem,motoriscontrolledbySOC,dataexchangebetweentheinstrumentandthecontrolsystemisachievedbyUSB.Theteachingprocessoftheautomaticcontrolexperimentisalsodescribed.Withitscapabilitysecondarydevelopment,theteachingcontentcanbeconvenientlyassociatedwithtrendoftechnologydevelopmen.tThesystemisindependentofrealinstrumen,thaslowcos,tmakestheteachinglivelyandflexible,andraisestheteachingefficiency.Keywords:USB;virtualinstrumen;tautomaticcontrol43345,:MATLAB