《工業(yè)互聯(lián)網(wǎng)導(dǎo)論》AnIntroductiontoIndustrialInternetLecturer：ZhouHaifei機(jī)器視覺4.3視覺技術(shù)視覺技術(shù)，也稱作機(jī)器視覺。通過工業(yè)攝像機(jī)的成像方式來記錄工業(yè)場(chǎng)景信息，使得獲取物體的現(xiàn)場(chǎng)信息更加豐富。通俗來講，即是將工業(yè)攝像機(jī)作為機(jī)器的眼睛，來獲得外界的圖像信息，并以此完成信息識(shí)別、距離測(cè)量、物品定位等人類眼睛的各種功能。machinevision4.3visiontechnologyThevisiontechnologyisalsocalledmachinevision.Throughtheimagingmethodofindustrialcameras,theinformationoftheindustrialsceneisrecorded,whichmakesthefieldinformationoftheobtainedobjectmoreabundant.Toputitsimply,industrialcamerasareregardedasthe“eyes”ofthemachinetoobtainimageinformationfromtheoutsideworld,andtoachievevariousfunctionslikehumaneyessuchasinformationrecognition,distancemeasurement,andobjectpositioning.感光元件4.3視覺技術(shù)工業(yè)攝像機(jī)的場(chǎng)景記錄功能，主要通過圖像傳感器來實(shí)現(xiàn)，圖像傳感器又叫感光元件。它是利用光電器件的光電轉(zhuǎn)換功能，將感光面上的光像轉(zhuǎn)換為電信號(hào)的一種功能器件。photosensitiveelement4.3visiontechnologyThescenerecordingfunctionofanindustrialcameraismainlyrealizedbyanimagesensor,whichisalsocalledaphotosensitiveelement.Itisafunctionaldevicethatusesthephotoelectricconversionfunctionofthephotoelectricdevicetoconvertthelightimageonthephotosensitivesurfaceintoanelectricalsignal.工業(yè)攝像機(jī)4.3視覺技術(shù)Industrialcamera4.3visiontechnology是無侵害4.3視覺技術(shù)機(jī)器視覺技術(shù)與前述傳感技術(shù)最大的不同在于，利用機(jī)器視覺技術(shù)進(jìn)行信息感知，對(duì)于待測(cè)設(shè)備、產(chǎn)品完全是無侵害的。Harmless4.3visiontechnologyThebiggestdifferencebetweenmachinevisiontechnologyandthesensortechnologyisthattheuseofmachinevisiontechnologyforinformationperceptioniscompletelyharmlesstotheequipmentandproductsundertest.是無侵害4.3視覺技術(shù)Harmless4.3visiontechnology機(jī)器視覺特性4.3視覺技術(shù)1）重復(fù)性，使用機(jī)器視覺可重復(fù)的完成某種檢測(cè)工作，不會(huì)像人一樣因重復(fù)性工作而產(chǎn)生疲倦感。2）精確性，由于人眼有物理?xiàng)l件的限制，在精確性上使用機(jī)器視覺則有明顯的優(yōu)點(diǎn)。CharacteristicsofMachineVision4.3visiontechnologyRepeatability.Theuseofmachinevisioncanrepeatacertaininspectionwork,anditwillnotfeeltiredduetorepetitiveworklikehumanbeings.Accuracy.Duetothephysicallimitationsofthehumaneye,theuseofmachinevisioninaccuracyhasobviousadvantages.機(jī)器視覺特性4.3視覺技術(shù)3）效率性。使用機(jī)器視覺能夠更快的檢測(cè)產(chǎn)品。特別是當(dāng)檢測(cè)高速運(yùn)動(dòng)的物體時(shí)，機(jī)器能夠提高生產(chǎn)效率。4）適應(yīng)性。使用機(jī)器視覺可以根據(jù)工業(yè)現(xiàn)場(chǎng)不同的工況環(huán)境，可以做針對(duì)性的設(shè)計(jì)，從而適應(yīng)更加復(fù)雜的工況環(huán)境。CharacteristicsofMachineVision4.3visiontechnology3)Efficiency.Machinevisioncandetectproductsfaster.Especiallywhendetectinghigh-speedmovingobjects,themachinecanimproveproductionefficiency.4)Adaptability.Accordingtothedifferentworkingconditionsoftheindustrialsite,theuseofmachinevisioncanbedesigned,soastoadapttomorecomplexworkingconditions.機(jī)器視覺特性4.3視覺技術(shù)5）客觀性。人眼會(huì)受限情緒帶來的主觀性，而機(jī)器沒有喜怒哀樂，檢測(cè)的結(jié)果自然非?？捎^可靠。6）成本性。由于機(jī)器比人快，一臺(tái)自動(dòng)檢測(cè)機(jī)器能夠承擔(dān)好多人的工作任務(wù)，可提高生產(chǎn)效率，減少人力成本。CharacteristicsofMachineVision4.3visiontechnology5)Objectivity.Humaneyedetectionwillbesubjecttoemotions,whilethemachinehasnoemotions,andthedetectionresultsaremorereliable.6)Cost.Sincemachinesarefasterthanhumans,anautomaticinspectionmachinecantakeonthetasksofmanypeople,whichcanimproveproductionefficiencyandreducelaborcosts.技術(shù)小檔案4.3視覺技術(shù)“特斯拉自動(dòng)駕駛”Technicalfile