first init

start/read.cpp

@@ -0,0 +1,15 @@
+// 读取图像
+
+#include<opencv2/opencv.hpp>
+#include<iostream>
+
+using namespace std;
+using namespace cv;
+
+int main(){
+    Mat src = imread("/home/bi/下载/1.png");
+    imshow("input",src);
+    waitKey(0);
+    destroyAllWindows();
+    return 0;
+}