最近在自学opencv算法，保存代码和效果图
配置：opencv3.0.0+VS2010
#include <iostream>
#include <string>
#include "opencv2/core/core.hpp"
#include "opencv2/core/utility.hpp"
#include "opencv2/imgproc/imgproc.hpp"
#include "opencv2/imgcodecs.hpp"
#include "opencv2/highgui/highgui.hpp"
using namespace std;
using namespace cv;
int main()
{
//读入图像
cv::Mat srcImage =
cv::imread("F:/temp/image.jpg", 0);
if (!srcImage.data)
return -1;
// canny边缘检测
Canny(srcImage, srcImage, 50, 200, 3);
// 创建LSD检测类
#if 1
Ptr<LineSegmentDetector> ls = createLineSegmentDetector(LSD_REFINE_STD);
#else
Ptr<LineSegmentDetector> ls = createLineSegmentDetector(LSD_REFINE_NONE);
#endif
double start = double(getTickCount());
vector<Vec4f> lines_std;
// 线检测
ls->detect(srcImage, lines_std);
double duration_ms = (double(getTickCount()) - start) * 1000 / getTickFrequency();
std::cout << "It took " << duration_ms << " ms." << std::endl;
// 绘图线检测结果
Mat drawnLines(srcImage);
ls->drawSegments(drawnLines, lines_std);
cv::imshow("Standard refinement", drawnLines);
cv::waitKey();
return 0;
}