halcon及C#混合编程(三)数字识别

..示例：数字识别要识别的图片：halcon源码：1:*读取图片2:read_image<Image,'D:/MyFile/halcon/数字识别/1.jpg'>3:4:*图像处理5:decompose3<Image,ImageR,ImageG,ImageB>6:threshold<ImageG,Regions,0,183>7:connection<Regions,Connection>8:9:select_shape<Connection,SelectedRegions,'area','and',1987.72,7500>10:11:read_ocr_class_mlp<'Document_0-9.omc',OCRHandle>12:do_ocr_multi_class_mlp<SelectedRegions,ImageG,OCRHandle,Class,Confidence>halcon导出的C#代码：1://2://FilegeneratedbyHDevelopforHALCON/DOTNET<C#>Version10.03://4://ThisfileisintendedtobeusedwiththeHDevelopTemplateor5://HDevelopTemplateWPFprojectslocatedunder%HALCONEXAMPLES%\c#6:7:usingSystem;8:usingHalconDotNet;9:10:publicpartialclassHDevelopExport11:{12:publicHTuplehv_ExpDefaultWinHandle;13:14://Mainprocedure15:privatevoidaction<>16:{17:18://Localiconicvariables19:20:HObjectho_Image,ho_ImageR,ho_ImageG,ho_ImageB;21:HObjectho_Regions,ho_Connection,ho_SelectedRegions;22:23:24://Localcontrolvariables25:26:HTuplehv_OCRHandle,hv_Class,hv_Confidence;27:28://Initializelocalandoutputiconicvariables29:HOperatorSet.GenEmptyObj<outho_Image>;30:HOperatorSet.GenEmptyObj<outho_ImageR>;31:HOperatorSet.GenEmptyObj<outho_ImageG>;32:HOperatorSet.GenEmptyObj<outho_ImageB>;33:HOperatorSet.GenEmptyObj<outho_Regions>;34:HOperatorSet.GenEmptyObj<outho_Connection>;35:HOperatorSet.GenEmptyObj<outho_SelectedRegions>;36:37://读取图片38:ho_Image.Dispose<>;39:HOperatorSet.ReadImage<outho_Image,"D:/MyFile/halcon/数字识别/1.jpg">;40:41://图像处理42:ho_ImageR.Dispose<>;43:ho_ImageG.Dispose<>;44:ho_ImageB.Dispose<>;45:HOperatorSet.Decompose3<ho_Image,outho_ImageR,outho_ImageG,outho_ImageB46:>;47:ho_Regions.Dispose<>;48:HOperatorSet.Threshold<ho_ImageG,outho_Regions,0,183>;49:ho_Connection.Dispose<>;50:HOperatorSet.Connection<ho_Regions,outho_Connection>;51:52:ho_SelectedRegions.Dispose<>;53:HOperatorSet.SelectShape<ho_Connection,outho_SelectedRegions,"area","and",54:1987.72,7500>;55:56:HOperatorSet.ReadOcrClassMlp<"Document_0-9.omc",outhv_OCRHandle>;57:HOperatorSet.DoOcrMultiClassMlp<ho_SelectedRegions,ho_ImageG,hv_OCRHandle,58:outhv_Class,outhv_Confidence>;59:60:ho_Image.Dispose<>;61:ho_ImageR.Dispose<>;62:ho_ImageG.Dispose<>;63:ho_ImageB.Dispose<>;64:ho_Regions.Dispose<>;65:ho_Connection.Dispose<>;66:ho_SelectedRegions.Dispose<>;67:68:}69:70:publicvoidInitHalcon<>71:{72://DefaultsettingsusedinHDevelop73:HOperatorSet.SetSystem<"do_low_error","false">;74:}75:76:publicvoidRunHalcon<HTupleWindow>77:{78:hv_ExpDefaultWinHandle=Window;79:action<>;80:}81:82:}83:C#工程：1:usingSystem;2:usingSystem.Collections.Generic;3:usingSystem.ComponentModel;4:usingSystem.Data;5:usingSystem.Drawing;6:usingSystem.Linq;7:usingSystem.Text;8:usingSystem.Windows.Forms;9:10:usingHalconDotNet;11:12:13:namespaceNumericalRecognition14:{15:publicpartialclassFormMain:Form16:{17://增加代码：18:HDevelopExportHD=newHDevelopExport<>;19:stringImagePath;20:21:publicFormMain<>22:{23:InitializeComponent<>;24:btnRecognitionNumber.Enabled=false;25:}26:27:privatevoidbtnOpenImage_Click<objectsender,EventArgse>28:{29:openFileDialog1.Filter="JPEG文件|*.jpg*|BMP文件|*.bmp*|TIFF文件|*.tiff*";30:31:openFileDialog1.RestoreDirectory=true;32:33:openFileDialog1.FilterIndex=1;34:35:if<openFileDialog1.ShowDialog<>==DialogResult.OK>36:37:{38:39:ImagePath=openFileDialog1.FileName;40:41:HD.ReadImage<hWindowControl1.HalconWindow,ImagePath>;42:43:btnRecognitionNumber.Enabled=true;44:45:}46:}47:48:privatevoidbtnRecognitionNumber_Click<objectsender,EventArgse>49:{50:HD.NumberRecognition<>;51:labNumber.Text=HD.hv_Class.ToString<>;52:53:btnRecognitionNumber.Enabled=false;54:}55:}56:57://halcon导出的类58:publicpartialclassHDevelopExport59:{60:publicHTuplehv_ExpDefaultWinHandle;61:62:HObjectho_Image,ho_ImageR,ho_ImageG,ho_ImageB;63:HObjectho_Regions,ho_Connection,ho_SelectedRegions;64:65:66://Localcontrolvariables67:HTuplehv_OCRHandle,hv_Confidence;68:publicHTuplehv_Class;69:70:publicvoidInitHalcon<>71:{72://DefaultsettingsusedinHDevelop73:HOperatorSet.SetSystem<"do_low_error","false">;74:}75:76:publicvoidReadImage<HTupleWindow,stringImagePath>77:{78:hv_ExpDefaultWinHandle=Window;79:80://Initializelocalandoutputiconicvariables81:HOperatorSet.GenEmptyObj<outho_Image>;82:83://读取图片84:ho_Image.Dispose<>;85:HOperatorSet.ReadImage<outho_Image,ImagePath>;86:HOperatorSet.DispObj<ho_Image,hv_ExpDefaultWinHandle>;87:}88:89:publicvoidNumberRecognition<>90:{91:HOperatorSet.GenEmptyObj<outho_ImageR>;92:HOperatorSet.GenEmptyObj<outho_ImageG>;93:HOperatorSet.GenEmptyObj<outho_ImageB>;94:HOperatorSet.GenEmptyObj<outho_Regions>;95:HOperatorSet.GenEmptyObj<outho_Connection>;96:HOperatorSet.GenEmptyObj<outho_SelectedRegions>;97://图像处理98:ho_ImageR.Dispose<>;99:ho_ImageG.Dispose<>;100:ho_ImageB.Dispose<>;101:HOperatorSet.Decompose3<ho_Image,outho_ImageR,outho_ImageG,outho_ImageB102:>;103:ho_Regions.Dispose<>;104:HOperatorSet.Threshold<ho_ImageG,outho_Regions,0,183>;105:ho_Connection.Dispose<>;106:HOperatorSet.Connection<ho_Regions,outho_Connection>;107:108:ho_Selec