opencv中Hought線變換

#include<cxcore.h>
#include<highgui.h>
#include<iostream>
int main ( int argc , char* argv)
{
//加載圖像並提取輪廓邊緣檢測
IplImage* src = cvLoadImage( "F:\\bb1.jpg");
IplImage* srcgray = cvCreateImage( cvGetSize( src) , IPL_DEPTH_8U , 1);
IplImage* srccanny =  cvCreateImage( cvGetSize( src) , IPL_DEPTH_8U , 1);
IplImage* dst =  cvCreateImage( cvGetSize( src) , IPL_DEPTH_8U , 1);
cvCvtColor  ( src , srcgray , CV_BGR2GRAY);
cvCanny( srcgray , srccanny , 50 , 150 , 3);


//檢測直線
CvMemStorage* storage = NULL ;
storage = cvCreateMemStorage(0);


CvSeq* lines = NULL ;
lines = cvHoughLines2(srccanny , storage ,CV_HOUGH_PROBABILISTIC, 1, CV_PI/180, 80, 200, 10);
dst = cvCreateImage (cvGetSize(src), IPL_DEPTH_8U, 3);  
    cvCvtColor (srccanny, dst, CV_GRAY2BGR);  
/*在pImgDst上畫出檢測到的直線*/  
    for (int i = 0; i < lines->total; i++)  
    {  
        CvPoint* line = (CvPoint*)cvGetSeqElem (lines, i);  
        cvLine (dst, line[0], line[1], CV_RGB(255,0,0), 3, 8);  
    }  
  
    cvNamedWindow ("src",1);  
    cvNamedWindow ("canny", 1);  
    cvNamedWindow ("hough", 1);  
    cvShowImage ("src", src);  
    cvShowImage ("canny", srccanny);  
    cvShowImage ("hough", dst);  
  
    cvWaitKey (0);  
  
    cvReleaseImage (&src);  
    cvReleaseImage (&srcgray);  
    cvReleaseImage (&srccanny);  
    cvReleaseImage (&dst);  
    cvReleaseMemStorage (&storage);  
  
    return 0;  
}