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2017
7-24

機器視覺過濾
FilteringinMachineVisionTherearemanydifferenttypesoffiltersinmachinevisionthatcanbeutilizedtoimproveorchangetheimageoftheobjectunderinspection.Itisimportanttounderstandthedifferenttechnologiesbehindthevarioustypesoffiltersinordertounderstan...
2017
7-24

如何測量您的成像系統(tǒng)中的景深
GaugingDepthofFieldinYourImagingSystemOvertheyears,wehaveansweredcountlessquestionsregardinglensperformance.Ofthosequestions,nonehavebeenmoredifficulttodefinethanrequestsfordepthoffield.Thereasonforthisdifficultyhasmoretodowiththevaguenesso...
2017
7-24

調(diào)制傳遞函數(shù)簡介
IntroductiontoModulationTransferFunctionWhenopticaldesignersattempttocomparetheperformanceofopticalsystems,acommonlyusedmeasureisthemodulationtransferfunction(MTF).MTFisusedforcomponentsassimpleasasphericalsingletlenstothoseascomplexasamult...
2017
7-24

像素尺寸和光學(xué)元件
PixelSizesａndOpticsUnderstandingtheinterplaybetweencamerasensorsａndimaginglensesisavitalpartofdesigningａndimplementingamachinevisionsystem.Theoptimizationofthisrelationshipisoftenoverlooked,ａndtheimpactthatitcanhaveontheoverallresolutionoft...
2017
7-24

?遠心照明：為什么在機器視覺應(yīng)用中需要它
ecentricIllumination:WhyYouNeedItinMachineVisionApplicationsImagingａndinspectionprojectsrequireprecisionopticalcomponentsａndalignmenttoachieveoptimalperformance.Thesemachinevisioninspectionapplicationsutilizeimaginglenses,illuminationsource...
2017
7-24

使用C型可調(diào)對焦鏡頭
UsingC-MountFocusTunableLensesIntroductionOptotuneElectricallyFocus-TunableLensesprovideflexible,fast-focusingsolutionsforawidevarietyofmachinevisionapplications,includingqualitycontrol,sorting,orbarcodereading.Unliketraditionalopticalsetup...
2017
7-24

在線照明注意事項
In-lineIlluminationConsiderationsIn-lineilluminationisauniquestyleoflightingthatincorporatestheilluminationintotheopticaltrainofthemachinevisionlens,usuallybymeansofafiberopticlightguideorLEDlightsourceａndabeamsplittingoptic.Althoughin-line...
2017
7-24

光偏振技術(shù)的成功
SuccessfulLightPolarizationTechniquesVideoａndmachinevisionsystemsrelyonelectronicimagersthattypicallyexhibitanywherefromeight-bittotwelve-bitsignal-to-noiseratio.Althoughsufficientformanyapplications,camerasinthiscategorymaybeproblematicinc...
2017
7-24

硅探測器的基本原理
BasicPrinciplesofSiliconDetectorsThroughthephotovoltaiceffect,silicondetectorsprovideameansoftransforminglightenergytoanelectricalcurrent.Therootofthetheorybehindthisphenomenonisasmallenergygapbetweenthevalenceａndconductionbandsofthedetecto...
2017
7-24

非軸拋物面鏡的粗糙度
RoughnessofDiamondTurnedOff-AxisParabolicMirrorsSinglePointDiamondTurningisamanufacturingtechniqueforproducingoff-axisparabolic(OAP)mirrors,off-axiselliptical(OAE)mirrors,ａndotherprecisionmetalopticalcomponents.Whilethegoalofanyopticalmanuf...

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