基于OpenCV的计算机视觉技术实现.rar

				// ***************************************************************
				//  4-9   version:  1.0   ? date: 09/10/2007
				//  -------------------------------------------------------------
				//  
				//  -------------------------------------------------------------
				//  Copyright (C) 2007 - All Rights Reserved
				// ***************************************************************
				// 
				// ***************************************************************
				
				
				
				///*
				
				
				
				#include "cv.h"
				#include "cxcore.h"
				#include "highgui.h"
				#include "iostream.h"
				
				
				void main( )
				{
				
					int i=0;
					int mode =CV_RETR_EXTERNAL;			//提取轮廓的模式
					int contours_num=0;				//图像中提取的轮廓的数目
				
					CvMemStorage * storage = cvCreateMemStorage(0);	//提取轮廓时需要的存储容器
				
					CvSeq * contour = 0;				//存储提取轮廓的序列指针
				
				
				
					IplImage* bin_img=cvLoadImage("bin_img.jpg",0);	//读取待检测轮廓的图像
				
					cvThreshold(bin_img, bin_img,128,255,CV_THRESH_BINARY);	//二值化
				
				
					IplImage* pContourImg = cvCreateImage(cvGetSize(bin_img),IPL_DEPTH_8U,3);	//轮廓绘制图
				
				
					cvNamedWindow( "bin_img",1);
				
					cvShowImage( "bin_img", bin_img );		//显示二值图 
				
				 
				      //-------------------cvFindContours查找物体轮廓-------------------------
				
					 mode = CV_RETR_EXTERNAL;		//只提取最外层的轮廓	
					 
					 contours_num=cvFindContours( bin_img, storage, &contour, sizeof(CvContour), mode, CV_CHAIN_APPROX_NONE);
					 
					 cout				
					 
				    //---------------------------逐点将轮廓画出----------------------
				
				
				        CvSeqReader reader;	//读序列
				
					int count =0;
				
					if(contour!=0)		//输出组成轮廓的点的数目
					{
						count = contour->total;
						cout					}
				 
				
					 cvStartReadSeq( contour, &reader, 0 );
				
					  CvPoint pt1;
					  CvScalar color = CV_RGB( 255, 255, 255 );;
				
					  cvNamedWindow( "contour",1);
					  cvShowImage( "contour", pContourImg );
					  
					  for( i = 0; i < count; i++ )	//逐点将轮廓画出
					  {
						  CV_READ_SEQ_ELEM( pt1, reader );	
					
						  cvCircle(pContourImg,pt1,1,color);
				
						  cvShowImage( "contour", pContourImg );
				
						  cvWaitKey(5);
				
					  }
				
				
					  cvWaitKey(0);
						  
				
					  //释放
					  cvReleaseImage( &bin_img );
					  cvReleaseImage( &pContourImg ); 	  
					  cvReleaseMemStorage(&storage);
					  
				}
				
				
				//*/