Code
/*
作者：郑大峰
时间：2019年09月23日
环境：OpenCV 4.1.1 + VS2017
内容：Invert Images
*/
#include "pch.h"
#include <iostream>
#include <opencv2/opencv.hpp>
using namespace std;
using namespace cv;
int main()
{
Mat image = imread("claudia.png");
if (image.empty())
{
cout << "Could not open or find the image" << endl;
cin.get();
return -1;
}
//inverted method 1
Mat image_inverted;
image_inverted = ~image;
//inverted method 2
Mat image_inverted2;
image_inverted2 = Scalar(255, 255, 255) - image;
//create the window
namedWindow("claudia.png", WINDOW_AUTOSIZE);
namedWindow("claudia_inverted.png", WINDOW_AUTOSIZE);
namedWindow("claudia_inverted2.png", WINDOW_AUTOSIZE);
//show the inverted image
imshow("claudia.png", image);
imshow("claudia_inverted.png", image_inverted);
imshow("claudia_inverted2.png", image_inverted);
waitKey(0); // Wait for any key stroke
destroyAllWindows(); //destroy all open windows
return 0;
}
Result
转载于:https://www.cnblogs.com/zdfffg/p/11570993.html
