【OpenCV】车牌定位RGB转HSV图像并打印输出各像素点的值

/*

蓝色BGR值范围：90<B<125;0<G<40;0<R15.

蓝色HSV值范围：110<H<120;245<S<255;115<V<125.

*/

#include "stdafx.h"

#include<cv.h>

#include <highgui.h>

#include <math.h>

int main()

{
int R=0;
int G=0;
int B=0;

 IplImage *srcImage=cvLoadImage("24.bmp",1);

 IplImage* dstImage=cvCloneImage(srcImage);

 IplImage* HSVImage=0;

 HSVImage = cvCreateImage (cvGetSize (srcImage), 8, 3);

 cvCvtColor(srcImage, HSVImage, CV_BGR2HSV);

 //cvSaveImage("HSVImage",HSVImage);

CvScalar s;

  cvNamedWindow("srcImage", 1);
cvNamedWindow ("dstImage", 1);
cvNamedWindow ("HSVImage", 1);

 cvShowImage("srcImage",srcImage);

 //printf("weight=%d,height=%d,depth=%d,nchanel=%d",srcImage->width,srcImage->height,srcImage->depth,srcImage->nChannels);

 for(int y=0; y<dstImage->height; y++)

{
for(int x=0; x<dstImage->width; x++)

{
s=cvGet2D(dstImage,y,x); //获取src图像中坐标为（i,j）的像素点的值
printf("x=%d,y=%d,BGR: B=%0.2f,G=%0.2f,R=%0.2f\n",x,y,s.val[0],s.val[1],s.val[2]);
s = cvGet2D(HSVImage, y, x);
printf("x=%d,y=%d,HSV: H=%0.2f,S=%0.2f,V=%0.2f\n",x,y,s.val[0],s.val[1],s.val[2]);

}

}
cvShowImage("dstImage",dstImage);
cvShowImage("HSVImage",HSVImage);
cvWaitKey(0);
cvReleaseImage (&srcImage);
cvReleaseImage (&dstImage);
cvReleaseImage (&HSVImage);
cvDestroyWindow("srcImage");
cvDestroyWindow("dstImage");
cvDestroyWindow("HSVImage");
return 0;
}