本文实例为大家分享了OpenCV计算图像的水平和垂直积分投影的具体代码，供大家参考，具体内容如下
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#include <cv.h>
#include <highgui.h>
#pragma comment( lib, "cv.lib" )
#pragma comment( lib, "cxcore.lib" )
#pragma comment( lib, "highgui.lib" )
int main()
{
IplImage * src=cvLoadImage("lena.jpg",0);
//cvSmooth(src,src,CV_BLUR,3,3,0,0);
cvThreshold(src,src,50,255,CV_THRESH_BINARY_INV);
IplImage* paintx=cvCreateImage( cvGetSize(src),IPL_DEPTH_8U, 1 );
IplImage* painty=cvCreateImage( cvGetSize(src),IPL_DEPTH_8U, 1 );
cvZero(paintx);
cvZero(painty);
int* v=new int[src->width];
int* h=new int[src->height];
memset(v,0,src->width*4);
memset(h,0,src->height*4);
int x,y;
CvScalar s,t;
for(x=0;x<src->width;x++)
{
for(y=0;y<src->height;y++)
{
s=cvGet2D(src,y,x);
if(s.val[0]==0)
v[x]++;
}
}
for(x=0;x<src->width;x++)
{
for(y=0;y<v[x];y++)
{
t.val[0]=255;
cvSet2D(paintx,y,x,t);
}
}
for(y=0;y<src->height;y++)
{
for(x=0;x<src->width;x++)
{
s=cvGet2D(src,y,x);
if(s.val[0]==0)
h[y]++;
}
}
for(y=0;y<src->height;y++)
{
for(x=0;x<h[y];x++)
{
t.val[0]=255;
cvSet2D(painty,y,x,t);
}
}
cvNamedWindow("二值图像",1);
cvNamedWindow("垂直积分投影",1);
cvNamedWindow("水平积分投影",1);
cvShowImage("二值图像",src);
cvShowImage("垂直积分投影",paintx);
cvShowImage("水平积分投影",painty);
cvWaitKey(0);
cvDestroyAllWindows();
cvReleaseImage(&src);
cvReleaseImage(&paintx);
cvReleaseImage(&painty);
return 0;
}
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结果：
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/hero_myself/article/details/49667613