1 按《opencv初试》搭建项目
2 修改main.cpp代码
#include <opencv2/opencv.hpp>
#include <iostream>
using namespace cv;
int main()
{
Mat src = imread("E:/image/flower.bmp");
//Mat src = imread("E:/image/flower.bmp",COLOR_BGR2GRAY);
if (src.empty())
{
printf("Could not load image");
return -1;
}
namedWindow("opencv demo", WINDOW_AUTOSIZE);
imshow("opencv demo", src);
namedWindow("output window", WINDOW_AUTOSIZE);
Mat output_image;
//cvtColor(src, output_image, COLOR_BGR2GRAY);
cvtColor(src, output_image, COLOR_BGR2HLS);
imshow("output window", output_image);
imwrite("E:/hls.png", output_image);
waitKey(0);
return 0;
}
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