P.I-1Imatest:Courseoutline1Feb.2013Imatest2dayclassNormanKorenwww.imatest.com©2008-2013,ImatestLLCImatestLLCBoulder,Coloradowww.imatestcomBackgroundHistory–Products/Modules–WorkflowBasicimageconceptsSharpness–gamma–colorspace–Rawimages&demosaicingImagequalityfactors–SummaryExample–SFRplusmoduleTheImatestLabEquipmentandSetupPhotographingImatestchartsP.I-2Imatest:Courseoutline2Feb.2013Imatest2dayclassNormanKorenwww.imatest.com©2008-2013,ImatestLLCImatestsettings•inifileforsettings•OptionsandmenusCommonoperations–File&ROIselection,dialogboxes,savingresultsImatestmodules(outline)•Introduction•Keyimagequalityfactors:detailed•Instructions•Regionselectionandinputoptions•Output–describedisplays.•Livedemonstration/exerciseP.I-3Imatest:Courseoutline3Feb.2013Imatest2dayclassNormanKorenwww.imatest.com©2008-2013,ImatestLLCImatestmodules(bymodule)•SFRplus•Stepchart–Dynamicrange•Colorcheck–Multicharts•Distortion•Uniformity–Uniformity-Interactive–BlemishDetect•Sharpnessmeasurements:SFR–Batchview–MTFCompare–Sharpening–Slanted-edge–SQF/Acutance•Rescharts:SFR–SFRplus–Star–LogF–LogF-Contrast–Wedge–Random–AnyscenesharpnessIndustrialTesting(IT)Non-GUImodulesforindustrialtesting.EXEorDLLversionsP.I-4Part1:ContentsImatestintroduction•Background/history•Productlineup•Modulesummaryandworkflow•Basicimageconcepts•Sharpnessintroduction•Rawfiles&rawconversion•ImagequalityfactorsFeb.2012Imatest2dayclassNormanKorenwww.imatest.com©2008-2013,ImatestLLCP.I-5Imatest:BackgroundFeb.2013Imatest2dayclassNormanKorenwww.imatest.com©2008-2013,ImatestLLC•Createdtoenablephotographerstotestlensesandcameras.–Sharpness–Tonalresponseanddynamicrange–Coloraccuracy•StartedworkJuly2003.Releasedv1.0September2004.•Consistsofseveralmodulesthatanalyzeimagesofstandardandcustomtargets.•CompiledinMatlab,includesruntimelibraryininstallerpackage(Matlabnotrequired)•FrequentenhancementsappliedtotheBetaversion(now3.10-Beta).P.I-6Imatest:ProductlineupFeb.2013Imatest2dayclassNormanKorenwww.imatest.com©2008-2013,ImatestLLC•ImatestMaster:Fullfeaturedversionforimagingsystemdevelopers.Forcorporate/businessusers.•ImatestIS(ImageSensor):Interfacesdirectlytomanufacturer’sdevelopmentsystems.Allowsrealtimeupdates.•ImatestIT:Non-GUI(GraphicsUserInterface)DOS-callableEXEandDLLprogramsforautomatedtesting&qualitycontrol.Nowimplementedonproductionlines.•ImatestStudio:Everythinganindividualphotographerneedstotestcamerasandlenses.Onlysoldtoindividualphotographers.•Gamutvision(separateprogram):Analyzetheresponse,colorgamut,andgamutmappingbehaviorofICCprofiles.Shownonright.Gamutvision3DL*a*b*colorgamutP.I-7SharpnessmodulesFeb.2013Imatest2dayclassNormanKorenwww.imatest.com©2008-2013,ImatestLLCModuleImagequalityfactorSharpness(MTF)LateralchromaticaberrationNoiseSFR,SFRplus(Spatialfrequencyresponse)(StandardorRescharts)LogFrequency(Rescharts)LossindetailduetosoftwarenoisereductionContrast(gamma)StarChart(Rescharts)LogF-Contrast(Rescharts)Colormoiré(Reschartsmoduleshaveahighlyinteractiveinterface.)Wedge(Rescharts)Random/Dead.Leaves(Rescharts)P.I-8OtheranalysismodulesFeb.2013Imatest2dayclassNormanKorenwww.imatest.com©2008-2013,ImatestLLCModuleImagequalityfactorColoraccuracyTonalresponseandcontrastDynamicrangeExposureaccuracyLightfalloffLensdistortionNoiseColorcheck,MultichartsStepchart,Dyn...
