opencv计算图像距离变换

#include "opencv2/highgui/highgui.hpp"#include "opencv2/imgproc/imgproc.hpp"#include "opencv2/opencv.hpp"#include "opencv2/core/core.hpp"#include <iostream>using namespace std;using namespace cv;int main(){cv::Mat srcImage = cv::imread("C:\\Users\\LP\\Desktop\\C++\\ConsoleApplication4\\ConsoleApplication4\\1.jpg");if (srcImage.empty()){return -1;} //转化为灰度图cv::Mat srcGray;cv::cvtColor(srcImage, srcGray, CV_BGR2GRAY);//转换为二值图像cv::Mat srcBinary;cv::threshold(srcGray, srcBinary, 160, 255, cv::THRESH_BINARY);//距离变换cv::Mat dstImage;cv::distanceTransform(srcBinary, dstImage, CV_DIST_L2, CV_DIST_MASK_PRECISE);//归一化矩阵cv::normalize(dstImage, dstImage, 0, 1., cv::NORM_MINMAX);cv::imshow("srcBinary", srcBinary);cv::imshow("dstImage", dstImage);cv::waitKey(0);return 0;}