opencv_ROI选择感兴趣的区域在原图上画出矩形并显示ROI及应用程序

#include <opencv2/highgui/highgui.hpp>
#include <stdio.h>

int main()
{
IplImage *Image1;
IplROI ROI;
CvRect Rect1,Rect2;
Image1=cvLoadImage("黑子.jpg",1);
Rect1=cvRect(50,50,14,22);//坐标值根据手动标定来确定
ROI=cvRectToROI(Rect1,0);
Image1->roi=&ROI;

Rect2=cvROIToRect(*Image1->roi);

cvNamedWindow("Coast(Region Of Interesting)",1);
cvShowImage("Coast(Region Of Interesting)",Image1);

Image1->roi=NULL;
cvRectangle(Image1,cvPoint(50,50),cvPoint(50 + 14,50 + 22),CV_RGB(255,0,0),1,8,0);
cvNamedWindow("Coast",1);
cvShowImage("Coast",Image1);

cvWaitKey(0);
}

#include"opencv2/highgui/highgui.hpp"#include"iostream"using namespace std;using namespace cv;   void main()  {      IplImage *src=cvLoadImage("黑子.jpg",-1);//读入图像      IplImage *dst;      CvRect ROI_rect_src;      CvRect ROI_rect_dst;      cvNamedWindow("src",CV_WINDOW_AUTOSIZE);      cvMoveWindow("src",200,200);      cvShowImage("src",src);//输出未定位ROI的图像      cvWaitKey(0);            ROI_rect_src.x=src->width/2;      ROI_rect_src.y=src->height/2;      ROI_rect_src.width=200;      ROI_rect_src.height=200;      cvSetImageROI(src,ROI_rect_src);      cout<<"输出图像区域"<<endl;      cout<<(src->roi->xOffset)<<""<<(src->roi->yOffset)<<endl;      cout<<(src->roi->width)<<""<<(src->roi->height)<<endl; <span style="white-space:pre">	</span>cvNamedWindow("src1",CV_WINDOW_AUTOSIZE);    cvShowImage("src1",src);//输出设定ROI以后的图像        dst=cvCloneImage(src);//复制出ROI区域的图像      ROI_rect_dst=cvGetImageROI(dst);//得到图像的ROI区域      cout<<"输出目标图像的ROI"<<endl;      cout<<ROI_rect_dst.x<<" "<<ROI_rect_dst.y<<endl;      cout<<ROI_rect_dst.width<<" "<<ROI_rect_dst.height<<endl;      cvNamedWindow("dst",CV_WINDOW_AUTOSIZE);      cvMoveWindow("dst",400,200);      cvShowImage("dst",dst);      cvWaitKey(0);        cvResetImageROI(dst);//释放目标图像的ROI      cvShowImage("dst",dst);      cvWaitKey(0);      cvReleaseImage(&src);      cvReleaseImage(&dst);  }