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3 个结果
  • 简介:Specularandstrongreflectionsarethemainproblemsencounteredduringpartimagedefectinspectionofshinyorhighlyreflectivesurfaces.Inthisletter,weproposeanimprovedilluminationmethodfordefectinspection.Adiffuselightsourceisdesignedbasedonthephysicsanalysisoflightreflection.Thedistributionofintensityissimulatedaccordingtoaknownmodeltoverifytheilluminationuniformityofthesource.Experimentsshowthatdefectexpressivitywhenusingtheproposedilluminationmethodhasabetterperformance.Theopticalmodelisnotonlysuitableforthedefectdetectionofmetalballsbutalsoforthedefectdetectionofplanesandcylinders.

  • 标签: 表面缺陷检测 照明方法 高反射率 金属球 视觉 光学模型
  • 简介:Thedifferentreflectioncharacteristicsofthesurfaceoftinsteelstripsandthedifferentspeedsofthetinninglinedemandanadaptiveilluminationlightsourceforonlinemachinevisioninspection.Thislightsourcecanbeintegratedwithatimedelayintegrationcharge-coupleddevice(TDICCD)tocapturetheimagesofmovingobjectsandfacilitateinspectionofthesurfacequalityoftinsteelstrips.On-siteapplicationshowtheeffectivenessoftheTDIcamerawiththeadaptiveilluminationlightsourceindetectingthesurfacedefectsontinsteelstripsofthreedifferentmaterialsandwithdifferenttincoatingweights.

  • 标签: 机器视觉检测 照明光源 自适应 镀锡 钢带 在线
  • 简介:<正>The"ChineseDream"hasbeenthecatch-praseandtopicofrecentdays,becauseitembodiestheardentaspirationofallChinesepeopleforabeautifulChinaandbetterlife.GeneralSecretaryXiJipingelaboratedontheblueprintandgoalsofthe"ChineseDream"attheclosingceremonyofthe1stSessionofthe12thNPC,aswellashowcouldwerealizethisDream.

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