halcon与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: / File generated by HDevelop for HALCON/DOTNET (C#) Version 10.0 3: / 4: / This file is intended to be used with the HDevelopTemplate or 5: / HDevelopTemplateWPF projects located under %HALCONEXAMPLES%c# 6: 7: using System; 8: using HalconDotNet; 9: 10: public partial class HDevelopExport 11: 12: public HTuple hv_ExpDefaultWinHandle; 13: 14: / Main procedure 15: private void action() 16: 17: 18: / Local iconic variables 19: 20: HObject ho_Image, ho_ImageR, ho_ImageG, ho_ImageB; 21: HObject ho_Regions, ho_Connection, ho_SelectedRegions; 22: 23: 24: / Local control variables 25: 26: HTuple hv_OCRHandle, hv_Class, hv_Confidence; 27: 28: / Initialize local and output iconic variables 29: HOperatorSet.GenEmptyObj(out ho_Image); 30: HOperatorSet.GenEmptyObj(out ho_ImageR); 31: HOperatorSet.GenEmptyObj(out ho_ImageG); 32: HOperatorSet.GenEmptyObj(out ho_ImageB); 33: HOperatorSet.GenEmptyObj(out ho_Regions); 34: HOperatorSet.GenEmptyObj(out ho_Connection); 35: HOperatorSet.GenEmptyObj(out ho_SelectedRegions); 36: 37: /读取图片 38: ho_Image.Dispose(); 39: HOperatorSet.ReadImage(out ho_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, out ho_ImageR, out ho_ImageG, out ho_ImageB 46: ); 47: ho_Regions.Dispose(); 48: HOperatorSet.Threshold(ho_ImageG, out ho_Regions, 0, 183); 49: ho_Connection.Dispose(); 50: HOperatorSet.Connection(ho_Regions, out ho_Connection); 51: 52: ho_SelectedRegions.Dispose(); 53: HOperatorSet.SelectShape(ho_Connection, out ho_SelectedRegions, area, and, 54: 1987.72, 7500); 55: 56: HOperatorSet.ReadOcrClassMlp(Document_0-9.omc, out hv_OCRHandle); 57: HOperatorSet.DoOcrMultiClassMlp(ho_SelectedRegions, ho_ImageG, hv_OCRHandle, 58: out hv_Class, out hv_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: public void InitHalcon() 71: 72: / Default settings used in HDevelop 73: HOperatorSet.SetSystem(do_low_error, false); 74: 75: 76: public void RunHalcon(HTuple Window) 77: 78: hv_ExpDefaultWinHandle = Window; 79: action(); 80: 81: 82: 83: C#工程： 1: using System; 2: using System.Collections.Generic; 3: using System.ComponentModel; 4: using System.Data; 5: using System.Drawing; 6: using System.Linq; 7: using System.Text; 8: using System.Windows.Forms; 9: 10: using HalconDotNet; 11: 12: 13: namespace NumericalRecognition 14: 15: public partial class FormMain : Form 16: 17: /增加代码： 18: HDevelopExport HD = new HDevelopExport(); 19: string ImagePath; 20: 21: public FormMain() 22: 23: InitializeComponent(); 24: btnRecognitionNumber.Enabled = false; 25: 26: 27: private void btnOpenImage_Click(object sender, EventArgs e) 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: private void btnRecognitionNumber_Click(object sender, EventArgs e) 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: public partial class HDevelopExport 59: 60: public HTuple hv_ExpDefaultWinHandle; 61: 62: HObject ho_Image, ho_ImageR, ho_ImageG, ho_ImageB; 63: HObject ho_Regions, ho_Connection, ho_SelectedRegions; 64: 65: 66: / Local control variables 67: HTuple hv_OCRHandle, hv_Confidence; 68: public HTuple hv_Class; 69: 70: public void InitHalcon() 71: 72: / Default settings used in HDevelop 73: HOperatorSet.SetSystem(do_low_error, false); 74: 75: 76: public void ReadImage(HTuple Window,string ImagePath) 77: 78: hv_ExpDefaultWinHandle = Window; 79: 80: / Initialize local and output iconic variables 81: HOperatorSet.GenEmptyObj(out ho_Image); 82: 83: /读取图片 84: ho_Image.Dispose(); 85: HOperatorSet.ReadImage(out ho_Image, ImagePath); 86: HOperatorSet.DispObj(ho_Image, hv_ExpDefaultWinHandle); 87: 88: 89: public void NumberRecognition() 90: 91: HOperatorSet.GenEmptyObj(out ho_ImageR); 92: HOperatorSet.GenEmptyObj(out ho_ImageG); 93: HOperatorSet.GenEmptyObj(out ho_ImageB); 94: HOperatorSet.GenEmptyObj(out ho_Regions); 95: HOperatorSet.GenEmptyObj(out ho_Connection); 96: HOperatorSet.GenEmptyObj(out ho_SelectedRegions); 97: /图像处理 98: ho_ImageR.Dispose(); 99: ho_ImageG.Dispose(); 100: ho_ImageB.Dispose(); 101: HOperatorSet.Decompose3(ho_Image, out ho_ImageR, out ho_ImageG, out ho_ImageB 102: ); 103: ho_Regions.Dispose(); 104: HOperatorSet.Threshold(ho_ImageG, out ho_Regions, 0, 183); 105: ho_Connection.Dispose(); 106: HOperatorSet.Connection(ho_Regions, out ho_Connection); 107: 108: ho_SelectedRegions.Dispose(); 109: HOperatorSet.SelectShape(ho_Connection, out ho_SelectedRegions, area, and, 110: 1987.72, 7500); 111: 112: HOperatorSet.ReadOcrClassMlp(Document_0-9.omc, out hv_OCRHandle); 113: HOperatorSet.DoOcrMultiClassMlp(ho_SelectedRegions, ho_ImageG, hv_OCRHandle, 114: out hv_Class, out hv_Confidence); 115: 116: 117: ho_Image.Dispose(); 118: ho_ImageR.Dispose(); 119: ho_ImageG.Dispose(); 120: ho_ImageB.Dispose(); 121: ho_Regions.Dispose(); 122: ho_Connection.Dispose(); 123: ho_SelectedRegions.Dispose(); 124: 125: 126: 127: 128: 运行结果：