2020.6.14_P52OpenCV读取并显示图像

2020.6.14_P52OpenCV读取并显示图像

//cvp52
#include 
#include 
using namespace cv;
#include 
using namespace std;

int main(int argc, char *argv[])
{
	//Mat img = imread(argv[1],CV_LOAD_IMAGE_GRAYSCALE);
	Mat img = imread(argv[1], CV_LOAD_IMAGE_COLOR);
	if (img.empty())
		return -1;
	string winname = "txwtech原图";
	namedWindow(winname,WINDOW_AUTOSIZE);
	imshow(winname,img);
	waitKey(0);//k要大写的K
	//把exe文件与图片文件放在同一个文件夹。即可运行看到效果
	//打开cmd.exe
	//cd D:\Users\TT2018\source\repos\cvp52\x64\Debug
	//D:\Users\TT2018\source\repos\cvp52\x64\Debug>cvp52.exe 111.png
}

#include 
#include 
#include 
using namespace cv;
int main(int argc, char * argv[])
{
	Mat src = imread("E:/pictures/wallpapers/a11.jpg");
	if (src.empty())
	{
		printf("could not load image...\n");
		return -1;
	}
	namedWindow("测试opencv",CV_WINDOW_AUTOSIZE);
	imshow("测试opencv",src);
	waitKey(0);
	return 0;
}