Labview数字图像处理教程

DigitalImageProcessingFebruary2003EditionPartNumber323604A-01DigitalImageProcessingCopyright©2003NationalInstrumentsCorporation.Allrightsreserved.Underthecopyrightlaws,thispublicationmaynotbereproducedortransmittedinanyform,electronicormechanical,includingphotocopying,recording,storinginaninformationretrievalsystem,ortranslating,inwholeorinpart,withoutthepriorwrittenconsentofNationalInstrumentsCorporation.TrademarksIMAQ™,LabVIEW™,NationalInstruments™,NI™,andni.com™aretrademarksofNationalInstrumentsCorporation.Productandcompanynamesmentionedhereinaretrademarksortradenamesoftheirrespectivecompanies.PatentsForpatentscoveringNationalInstrumentsproducts,refertotheappropriatelocation:Help»Patentsinyoursoftware,thepatents.txtfileonyourCD,orni.com/legal/patents.bySarpErtürkUniversityofKocaeliForMoreInformationFurtherinformationaboutthiscoursecanbeobtainedfromtheauthor:[e-mail]porateHeadquarters11500NorthMopacExpresswayAustin,Texas78759-3504USATel:5126830100WorldwideOfficesAustralia61296728846,Austria4306624579900,Belgium32027570020,Brazil551132623599,Canada(Calgary)4032749391,Canada(Montreal)5142885722,Canada(Ottawa)6132335949,Canada(Québec)5146948521,Canada(Toronto)9057850085,Canada(Vancouver)5146857530,China862165557838,CzechRepublic420224235774,Denmark4545762600,Finland3850972572511,France330148142424,Germany490897413130,Greece302104296427,HongKong26453186,India91804190000,Israel972036393737,Italy3902413091,Japan81354722970,Korea820234513400,Malaysia60390596711,Mexico0018000100793,Netherlands310348433466,NewZealand64099140488,Norway47032277300,Poland480223390150,Portugal351210311210,Russia70952387139,Singapore6562265886,Slovenia38634254200,SouthAfrica270118058197,Spain34916400085,Sweden460858789500,Switzerland41562005151,Taiwan886225287227,UnitedKingdom4401635523545©NationalInstrumentsCorporationiiiDigitalImageProcessingContentsIntroductionLab1DigitalImagesAnIntroductiontoDigitalImages..............................................................................1-1Sampling.....................................................................................................................1-1Quantization................................................................................................................1-4ImageRe-samplingandRawImages.........................................................................1-5LabVIEWDemo1.1:ImageProperties......................................................................1-8LabVIEWDemo1.2:Bit-Depth.................................................................................1-8LabVIEWDemo1.3:Re-sampling............................................................................1-9LabVIEWDemo1.4:RawImages.............................................................................1-10Lab2BasicImageProcessingAnIntroductiontoImageProcessing.........................................................................2-1ArithmeticImageProcessing......................................................................................2-4LabVIEWDemo2.1:BasicImageProcessing...........................................................2-5LabVIEWDemo2.2:ScalarArithmeticImageProcessing.......................................2-6LabVIEWDemo2.3:ArithmeticImageProcessing..................................................2-7Lab3ImageEnhancement—PointOperationsLinearMapping(LinearPointOperations)................................................................3-1Clipping......................................................................................................................3-3Thresholding...............................................................................................................3-5Negation......................................................................................................................3-6Non-linearMapping....................................................................................................3-7IntensityLevelSlicing................................................................................................3-9EfficientImplementationofMapping........................................................................3-10ImageHistograms.......................................................................................................3-11HistogramEqualization..............................................................................................3-12LabVIEWDemo3.1:LinearandNon-linearMapping..............................................3-14LabVIEWDemo3.2:NegationandThresholding.....................................................3-15LabVIEWDemo3.3:ImageHistograms...................................................................3-16ContentsDigitalImageProcessingivni.comLab4ImageEnhancement—SpatialOperationsConvolution................................................................................................................4-1Correlation............................................................