Opencv计时函数

#include<iostream>#include<opencv2/opencv.hpp>using namespace std;using namespace cv;int main(){Mat srcImage = imread("G:\\group.jpg");Mat dstImage;dstImage.create(srcImage.size(), srcImage.type());//记录起始时间double time0 = static_cast<double>(getTickCount());//图像处理算法cvtColor(srcImage, dstImage, CV_BGR2GRAY);//计算时间time0 = ((double)getTickCount() - time0) / getTickFrequency();cout << "图像处理的时间为：" << time0 << endl;return 0;}