機(jī)器視覺(jué)與機(jī)器學(xué)習(xí)應(yīng)用ApplicationsofMachineVisionandMachineLearning條形碼識(shí)別應(yīng)用ApplicationsofBarcodeRecognition條形碼識(shí)別應(yīng)用ApplicationsofBarcodeRecognition陳雨ChenYu主講教師Teacher課程導(dǎo)入CourseIntroduction超市結(jié)賬

Supermarketcheckout藥品溯源

Pharmaceuticaltraceability條形碼識(shí)別應(yīng)用ApplicationsofBarcodeRecognition陳雨ChenYu主講教師Teacher課程導(dǎo)入CourseIntroduction???如何實(shí)現(xiàn)高效精準(zhǔn)的識(shí)別？Howtoachieveefficientandaccuraterecognition?課程導(dǎo)入CourseIntroduction陳雨ChenYu主講教師Teacher條形碼識(shí)別技術(shù)

Barcoderecognitiontechnology條形碼識(shí)別應(yīng)用ApplicationsofBarcodeRecognition課程導(dǎo)入CourseIntroduction陳雨ChenYu主講教師Teacher藥盒條形碼識(shí)別Medicineboxbarcoderecognition數(shù)據(jù)上傳任務(wù)Datauploadtask條形碼識(shí)別應(yīng)用ApplicationsofBarcodeRecognition案例導(dǎo)入Caseintroduction任務(wù)描述TaskDescription手動(dòng)輸入：耗時(shí)

易出錯(cuò)。Manualenter:time-consuming,error-prone.條形碼識(shí)別系統(tǒng)：方便，快速。Barcoderecognitionsystem:convenientandfast.任務(wù)描述TaskDescription任務(wù)：識(shí)別藥盒條形碼，通過(guò)TCP協(xié)議將數(shù)據(jù)發(fā)送給上位機(jī)。Task:RecognizethebarcodeonthemedicineboxandsendthedatatothehostcomputerthroughtheTCPprotocol.檢測(cè)對(duì)象

Detectionobject條形碼Barcode條形碼Barcode條形碼是以表面上的條和空格的形式可視化表示信息，是由黑白條紋進(jìn)行組成的，主要由大小不一的寬度的黑條與空白進(jìn)行組成，黑條與空白位置根據(jù)相應(yīng)的編碼規(guī)律進(jìn)行排列，其包含相關(guān)的信息在內(nèi)。Abarcodevisuallyrepresentsinformationintheformofbarsandspacesonitssurface.Itiscomposedofblackandwhitestripes,mainlyblackbarsandspacesofvaryingwidths.Thepositionsoftheblackbarsandspacesarearrangedaccordingtocorrespondingcodingrules,andcontainrelevantinformation.條形碼Barcode條形碼Barcode世界各國(guó)都公認(rèn)的條形碼系統(tǒng)數(shù)量已多達(dá)160多種。Therearemorethan160barcodesystemsrecognizedbycountriesaroundtheworld.條形碼的種類和特點(diǎn)

TypesandCharacteristicsofBarcodesEAN條形碼EANbarcodeEAN條形碼，即國(guó)際物品條形碼(InternationalProductCode)，EAN條形碼可分為兩類：一類是EAN-13，字元數(shù)量為13。另一類為EAN-8，字元數(shù)量為8。較小的商品就可使用EAN-8條形碼。EANbarcode,thatis,theInternationalProductCode.EANbarcodescanbedividedintotwocategories:OneisEAN-13,whichhas13characters.TheotherisEAN-8,whichhas8characters.SmalleritemscanuseEAN-8barcodes.EAN-13碼EAN-13codeEAN-8碼EAN-8code條形碼Barcode條形碼的種類和特點(diǎn)

TypesandCharacteristicsofBarcodesEAN條形碼EANbarcode通用商品條形碼EAN-13碼是我國(guó)主要采取的編碼標(biāo)準(zhǔn)，由國(guó)家代碼、制造商代碼、商品代碼和校驗(yàn)碼組成。TheuniversalproductbarcodeEAN-13codeisthemaincodingstandardadoptedinChina.Itconsistsofacountrycode,amanufacturercode,aproductcodeandacheckcode.國(guó)家代碼

Countrycode制造商代碼

Manufacturercode商品代碼

Productcode校驗(yàn)碼

CheckcodeEAN-13條形碼的結(jié)構(gòu)ThestructureoftheEAN-13barcode條形碼Barcode條形碼的種類和特點(diǎn)

TypesandCharacteristicsofBarcodesEAN條形碼EANbarcodeEAN-13條形碼是一種（7，2）碼，包含了13位數(shù)據(jù)字符，其中第1~3位為國(guó)家代碼，中國(guó)的代碼為690~695。第4~8位為制造商代碼。第9~12位為商品代碼。第13位為校驗(yàn)碼，用來(lái)保證條形碼識(shí)別的正確性。TheEAN-13barcodeisa(7,2)codeconsistingof13datacharacters.Thefirstthreecharactersarethecountrycode(690-695forChina).Thefourththrougheighthcharactersarethemanufacturercode.Theninththroughtwelfthcharactersaretheproductcode.Thethirteenthcharacterisacheckcode,usedtoensurecorrectbarcoderecognition.國(guó)家代碼

Countrycode制造商代碼

Manufacturercode商品代碼

Productcode校驗(yàn)碼

CheckcodeEAN-13條形碼的結(jié)構(gòu)ThestructureoftheEAN-13barcode條形碼Barcode條形碼的種類和特點(diǎn)

TypesandCharacteristicsofBarcodesEAN條形碼EANbarcode國(guó)家代碼

Countrycode制造商代碼

Manufacturercode商品代碼

Productcode校驗(yàn)碼

CheckcodeEAN-13條形碼的結(jié)構(gòu)ThestructureoftheEAN-13barcode不同寬度的條空組合，對(duì)應(yīng)不同數(shù)字。Barandspacecombinationsofdifferentwidthscorrespondtodifferentnumbers.條形碼Barcode二五條形碼（code25）Code25二五條形碼有許多種類，例如，插入式二五碼、矩陣式二五碼、工業(yè)式二五碼。TherearemanytypesofCode25,suchasinsertedCode25,matrixCode25,andindustrialCode25.128條形碼Code128128條形碼是一種長(zhǎng)度不一定的條形碼，128個(gè)ASCLL字符，分別代表0~127，在128條形碼的字符集都包括。TheCode128isabarcodeofindefinitelength,consistingof128ASCIIcharactersrepresenting0to127,allofwhichareincludedintheCode128characterset.128條形碼Code128條形碼的種類和特點(diǎn)

TypesandCharacteristicsofBarcodes條形碼BarcodeUPC條形碼UPCUPC條形碼(UniformProductCode)，即通用產(chǎn)品條形碼；它是一種不斷裂的，長(zhǎng)度不會(huì)變化的條形碼。UPCistheuniformproductcode;itisabarcodethatdoesnotbreakanddoesnotchangeinlength.UPC條形碼UPC條形碼的種類和特點(diǎn)

TypesandCharacteristicsofBarcodes條形碼Barcode條形碼識(shí)別流程

BarcodeRecognitionProcess

獲取圖像Imageacquisition工業(yè)相機(jī)采集包含待檢測(cè)外觀信息的圖像。Industrialcamerascaptureimagescontainingappearanceinformationtobedetected.圖像預(yù)處理一般采取的操作有：灰度變換、二值化、旋轉(zhuǎn)變換、濾波去噪等。Theoperationsgenerallytakenforimagepreprocessinginclude:grayscaletransformation,binarization,rotationtransformation,filteringanddenoising,etc.圖像分析主要是進(jìn)行ROI分割。ImageanalysismainlyinvolvesROIsegmentation.常用的條形碼識(shí)別算法有寬度測(cè)量法、平均值法、相似邊距離測(cè)量法等。Commonlyusedbarcoderecognitionalgorithmsincludewidthmeasurementmethod,averagemethod,similaredgedistancemeasurementmethod,etc.圖像預(yù)處理Imagepreprocessing圖像分析Imageanalysis條形碼識(shí)別Barcoderecognition條形碼Barcode條形碼的應(yīng)用

ApplicationofBarcodes條形碼的應(yīng)用

ApplicationofBarcodes01020304零售業(yè)

Retail

零售業(yè)是條形碼應(yīng)用最為成熟的領(lǐng)域。EAN商品條形碼為零售業(yè)應(yīng)用條形碼進(jìn)行銷售奠定了基礎(chǔ)。

Theretailindustryisthemostmaturefieldforbarcodeapplication.TheEANbarcodehaslaidthefoundationfortheapplicationofbarcodesinsalesintheretailindustry.圖書館

Library

條形碼也被廣泛用于圖書館中的圖書流通環(huán)節(jié)中，圖書和借書證上都貼上了條形碼，借書時(shí)只要掃描一下借書證上的條形碼，再掃一下借出的圖書上的條形碼，相關(guān)的信息就被自動(dòng)記錄人數(shù)據(jù)庫(kù)中。

Barcodesarealsowidelyusedinthebookcirculationprocessinlibraries.Barcodesareaffixedtoboththebooksandthelibrarycards.Whenborrowingabook,youonlyneedtoscanthebarcodeonthelibrarycardandthenscanthebarcodeontheborrowedbook,andtherelevantinformationwillbeautomaticallyrecordedinthedatabase.倉(cāng)儲(chǔ)管理與物流跟蹤

Warehousemanagementandlogisticstracking

對(duì)于大宗物品流動(dòng)的場(chǎng)合，應(yīng)用條形碼技術(shù)，可以實(shí)現(xiàn)快速、準(zhǔn)確地記錄每一件物品，采集到的各種數(shù)據(jù)可實(shí)時(shí)地由計(jì)算機(jī)系統(tǒng)進(jìn)行處理．使得各種統(tǒng)計(jì)數(shù)據(jù)能夠準(zhǔn)確、及時(shí)地反映物品的狀態(tài)。Forsituationswherebulkgoodsareflowing,theapplicationofbarcodetechnologycanachieverapidandaccuraterecordingofeachitem.Thecollecteddatacanbeprocessedbythecomputersysteminrealtime,sothatvariousstatisticaldatacanaccuratelyandtimelyreflectthestatusoftheitems.質(zhì)量跟蹤管理

QualitytrackingmanagementISO9000質(zhì)量保證體系強(qiáng)調(diào)質(zhì)睦管理的可追溯性，也就是說(shuō)，對(duì)于出現(xiàn)質(zhì)量問(wèn)題的產(chǎn)品，應(yīng)當(dāng)可以追溯出它的生產(chǎn)時(shí)間、操作者等信息。TheISO9000qualityassurancesystememphasizesthetraceabilityofqualitymanagement,thatis,forproductswithqualityproblems,itshouldbepossibletotracebackinformationsuchasproductiontimeandoperator.條形碼BarcodeTCP通信

TCPCommunicationTCP協(xié)議是面向連接的通信協(xié)議，即傳輸數(shù)據(jù)之前，在發(fā)送端和接收端建立邏輯連接，然后再傳輸數(shù)據(jù)，它提供了設(shè)備之間可靠無(wú)差錯(cuò)的數(shù)據(jù)傳輸。TCP通信能實(shí)現(xiàn)兩臺(tái)設(shè)備之間的數(shù)據(jù)交互，通信的兩端，要嚴(yán)格區(qū)分為客戶端（Client）與服務(wù)端（Server）。TheTCPprotocolisaconnection-orientedcommunicationprotocol,thatis,beforetransmittingdata,alogicalconnectionisestablishedbetweenthesenderandthereceiver,andthenthedataistransmitted.Itprovidesreliableanderror-freedatatransmissionbetweendevices.TCPcommunicationenablesdataexchangebetweentwodevices.Thetwoendsofthecommunicationmustbestrictlydistinguishedastheclientandtheserver.客戶端

Client發(fā)送請(qǐng)求給服務(wù)器端處理。

Sendtherequesttotheserverforprocessing.服務(wù)端

Server客戶端發(fā)送的請(qǐng)求交給服務(wù)器端處理，服務(wù)器端處理完畢后反饋給客戶端。

Therequestsentbytheclientishandedovertotheserverforprocessing,andtheserverfeedsbacktotheclientafterprocessing.條形碼BarcodeTCP通信

TCPCommunicationTCP協(xié)議中，在發(fā)送數(shù)據(jù)的準(zhǔn)備階段，客戶端與服務(wù)器之間的三次交互，以保證連接的可靠。IntheTCPprotocol,duringthepreparationphaseforsendingdata,therearethreeinteractionsbetweentheclientandtheservertoensureareliableconnection.客戶端

Client服務(wù)端

Server客戶端向服務(wù)器端發(fā)出連接請(qǐng)求，等待服務(wù)器確認(rèn)。

Theclientsendsaconnectionrequesttotheserverandwaitsfortheservertoconfirm.服務(wù)器端向客戶端回送一個(gè)響應(yīng)，通知客戶端收到了連接請(qǐng)求。

Theserversendsaresponsebacktotheclient,notifyingtheclientthatithasreceivedtheconnectionrequest.客戶端再次向服務(wù)器端發(fā)送確認(rèn)信息，確認(rèn)連接。

Theclientsendsaconfirmationmessagetotheserveragaintoconfirmtheconnection.客戶端

Client服務(wù)端

Server客戶端

Client服務(wù)端

ServerStepsforcommunicationbetweenthetwoends:兩端通信時(shí)的步驟：1)Theserverprogramneedstobestartedinadvanceandwaitfortheclienttoconnect.1）服務(wù)端程序，需要事先啟動(dòng)，等待客戶端的連接。2)Theclientactivelyconnectstotheserver,andcommunicationcanonlybeachievedaftertheconnectionissuccessful.Theservercannotactivelyconnecttotheclient.2）客戶端主動(dòng)連接服務(wù)器端，連接成功才能通信。服務(wù)端不可以主動(dòng)連接客戶端。藥盒條形碼識(shí)別MedicineBoxBarcodeRecognition打開DobotVisionStudio1.4.2，選擇通用方案。OpenDobotVisionStudio1.4.2andselecttheGeneralOption.任務(wù)實(shí)施TaskImplementation步驟1Step1在工具箱的“采集”模塊選擇“相機(jī)圖像”，拖拽到流程編輯區(qū)。Select"CameraImage"inthe"Acquisition"moduleofthetoolboxanddragittotheprocesseditingarea.步驟2Step2相機(jī)圖像CameraImage雙擊“相機(jī)圖像”模塊，進(jìn)行參數(shù)設(shè)置。Double-clickthe"CameraImage"moduletosettheparameters.任務(wù)實(shí)施TaskImplementation步驟2Step2相機(jī)圖像基本參數(shù)設(shè)置Cameraimagebasicparametersettings相機(jī)圖像觸發(fā)參數(shù)設(shè)置Cameraimagetriggerparametersettings相機(jī)采集到的圖形Graphicscapturedbythecamera將“條形碼識(shí)別”拖拽到流程編輯區(qū)，并與“0相機(jī)圖像”相連。Drag"BarcodeRecognition"totheprocesseditingareaandconnectitto"0CameraImage".任務(wù)實(shí)施TaskImplementation步驟3Step3方案流程Programprocess任務(wù)實(shí)施TaskImplementation步驟3Step3雙擊“1條形碼識(shí)別”進(jìn)行參數(shù)設(shè)置。Double-click"1BarcodeRecognition"tosetparameters.運(yùn)行參數(shù)設(shè)置Operatingparametersettings任務(wù)實(shí)施TaskImplementation步驟3Step3雙擊“1條形碼識(shí)別”進(jìn)行參數(shù)設(shè)置。Double-click"1BarcodeRecognition"tosetparameters.點(diǎn)擊“單次執(zhí)行”查看結(jié)果。Click"SingleExecution"toviewtheresults.條形碼識(shí)別結(jié)果Barcoderecognitionresults將邏輯工具欄的“格式化”拖拽到流程編輯區(qū)，并與“1條碼識(shí)別”相連。Drag"Format"fromthelogictoolbartotheprocesseditingarea,andconnectitwith"1BarcodeRecognition".任務(wù)實(shí)施TaskImplementation步驟4Step4方案流程Programprocess雙擊“2格式化”進(jìn)行參數(shù)設(shè)置。Double-click"2Format"tosetparameters.任務(wù)實(shí)施TaskImplementation步驟4Step4基本參數(shù)設(shè)置BasicparametersettingsTheformattingtoolcanbeusedtoconsolidateandformatdataintoastringforoutput,withamaximumlengthof256bytes.Click“”ontherighttoselectthedatatobeformatted.Youcanselectmultipledataitemsandsetappropriateseparatorsbetweendifferentdataitemsinthedataframe.Youcanalsoselecttheappropriateoutputendsymbolasneededbelow.通過(guò)格式化工具可以把數(shù)據(jù)整合并格式化成字符串輸出，格式最大長(zhǎng)度256字節(jié)。在右側(cè)處單擊“”選擇需要格式化的數(shù)據(jù)，可以選擇多個(gè)需要的數(shù)據(jù)，在數(shù)據(jù)框中不同數(shù)據(jù)間設(shè)置合適的間隔符即可，在下方可以按照需要選擇合適的輸出結(jié)束符號(hào)。格式化Format點(diǎn)擊“單次執(zhí)行”查看結(jié)果。Click"SingleExecution"toviewtheresults.任務(wù)實(shí)施TaskImplementation步驟4Step4圖像顯示區(qū)結(jié)果Resultsoftheimagedisplayarea結(jié)果顯示區(qū)結(jié)果Resultsoftheresultdisplayarea將通信管理欄的“發(fā)送數(shù)據(jù)”拖拽到流程編輯區(qū)，并與“2格式化”相連。Drag"SendData"fromthecommunicationmanagementcolumntotheprocesseditingareaandconnectitto"2Format".任務(wù)實(shí)施TaskImplementationSendData:Youcansenddatafromtheprocesstoadataqueue,communicationdevice,orglobalvariable.Whenconfiguringoutputtoadataqueueorglobalvariable,youcanconfigureupto16outputs.Whenconfiguringoutputtoacommunicationdevice,youcanonlyconfigureoneoutput.發(fā)送數(shù)據(jù)：可將流程中的數(shù)據(jù)發(fā)送到數(shù)據(jù)隊(duì)列、通信設(shè)備或全局變量中。當(dāng)配置輸出至數(shù)據(jù)隊(duì)列或全局變量時(shí)，最多可配置16個(gè)輸出。當(dāng)配置輸出至通信設(shè)備時(shí)，僅能配置1個(gè)輸出。步驟5Step5方案流程Programprocess任務(wù)實(shí)施TaskImplementation步驟6Step6單擊“”創(chuàng)建TCP服務(wù)端。ClicktocreateaTCPserver.TCP服務(wù)端TCPServer任務(wù)實(shí)施TaskImplementation步驟6Step6雙擊“3發(fā)送數(shù)據(jù)”進(jìn)行參數(shù)設(shè)置。Double-click"3SendData"tosetparameters.發(fā)送數(shù)據(jù)參數(shù)設(shè)置Senddataparametersettings點(diǎn)擊“單次執(zhí)行”查看結(jié)果。Click"SingleExecution"toviewtheresults.任務(wù)實(shí)施TaskImplementation步驟6Step6圖像顯示區(qū)結(jié)果Resultsoftheimagedisplayarea結(jié)果顯示區(qū)結(jié)果Resultsoftheresultdisplayarea課程小結(jié)CourseSummary原理認(rèn)知Principlerecognition實(shí)戰(zhàn)應(yīng)用Practic