Python code
import cv2
import numpy as np
def main():
print('Hello OpenCV', cv2.__version__)
img = cv2.imread("lenna.bmp")
if img is None:
print('Image load failed')
return -1
cv2.imshow('image', img)
cv2.waitKey()
cv2.destroyAllWindows()
if __name__=='__main__':
main()
// C++ code
#include "opencv2/opencv.hpp"
#include <iostream>
using namespace cv;
using namespace std;
int main()
{
cout << "Hello OpenCV " << CV_VERSION << endl;
Mat img;
img = imread("lenna.bmp");
if (img.empty()) {
cerr << "Image load failed!" << endl;
return -1;
}
namedWindow("image");
imshow("image", img);
waitKey();
return 0;
}
C++ Code 출처 : OpenCV 4로 배우는 컴퓨터 비전과 머신 러닝 - 황선규 저
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