time_1.push_back(run_time); temp_time =omp_get_wtime();#pragmaomp parallel{#pragmaomp for nowaitfor(inti =0; i < N; i++)for(intj =0; j < N; j++) arr[i][j] = i * j; } run_time =omp_get_wtime() - temp_time; time_2.push_back(run_time); temp_time =omp_get_wti...
1.所有元素在插入时就会被自动排序。 2.底层是二叉树的实现。 3.set中不允许有重复的元素，multiset里...
{ imagePoints1.push_back(keyPoint1[matchePoints[i].queryIdx].pt); imagePoints2.push_back(keyPoint2[matchePoints[i].trainIdx].pt); }//获取图像1到图像2的投影映射矩阵,尺寸为3*3Mat homo =findHomography(imagePoints1, imagePoints2, CV_RANSAC); Mat adjustMat = (Mat_<double>(3,3) <<1.0,...
所有编程语言都离不开循环。因此，默认情况下，只要有重复操作，我们就会开始执行循环。但是当我们处理大量...
PrimeNumber.push_back(i); } } } 线性筛法是一种优化过的埃氏筛法,它通过记录每个数的最小质因数来提高效率。 与埃氏筛不同的是,标记过程不再仅当 x 为质数时才进行,而是对每个整数 x 都进行。对于整数 x,不再标记其所有的倍数 x*x,x*(x+1),…,而是只标记质数集合中的数与 x 相乘的数,即 x...
imagePoints1.push_back(keyPoint1[matchePoints[i].queryIdx].pt); imagePoints2.push_back(keyPoint2[matchePoints[i].trainIdx].pt); } //获取图像1到图像2的投影映射矩阵,尺寸为3*3 Mat homo = findHomography(imagePoints1, imagePoints2, CV_RANSAC); ...
imagePoints2.push_back(keyPoint2[matchePoints[i].trainIdx].pt); } //获取图像1到图像2的投影映射矩阵,尺寸为3*3 Mat homo = findHomography(imagePoints1, imagePoints2, CV_RANSAC); Mat adjustMat = (Mat_<double>(3, 3) << 1.0, 0, image01.cols, 0, 1.0, 0, 0, 0, 1.0); Mat adjust...
imagePoints1.push_back(keyPoint1[matchePoints[i].queryIdx].pt); imagePoints2.push_back(keyPoint2[matchePoints[i].trainIdx].pt); } //获取图像1到图像2的投影映射矩阵,尺寸为33 Mathomo=findHomography(imagePoints1,imagePoints2,CV_RANSAC); ...
constintsz1d=1ll<<20;constfloatpi=3.141592654;std::vector<float>arange(floatstart,floatstop,floatstep){intn=int((stop-start)/step);n=n>0?n:0;std::vector<float>res;res.reserve(n);for(inti=0;i<n;i++){res.push_back(start+i*step);}returnres;}std::vector<float>linspace(floatstart...
cloud_output->push_back(p); } } // 保存点云数据 pcl::io::savePCDFileBinary (argv[2], *cloud_output); // 输出程序执行时间 std::cout << "程序执行时间:" << time.toc() << "ms" << std::endl; return 0; } 1. 2. 3. ...