OpenCV3.3深度神经网络DNN模块 实例1：读取单张PNG文件（opencv3.3环境测试）

 1 #include <opencv2/opencv.hpp>
 2 #include <opencv2/dnn.hpp>//dnn模块类
 3 #include <iostream>
 4  
 5 using namespace cv;
 6 using namespace std;
 7  
 8 int main(int argc, char** argv) {
 9     Mat src = imread("tx.png");
10     if (src.empty()) {
11         printf("could not load image...\n");
12         return -1;
13     }
14     namedWindow("input image", CV_WINDOW_AUTOSIZE);
15     imshow("input image", src);
16     
17     waitKey(0);
18     return 0;
19 }