halcon与C#混合编程(三)数字识别教程.docx

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_I