55 lines
885 B
C++
55 lines
885 B
C++
#include <iostream>
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#include "opencv2/opencv.hpp"
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using namespace cv;
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using namespace std;
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void MatOp2();
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void MatOp3();
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int main() {
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MatOp3();
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return 0;
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}
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void MatOp2() {
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Mat img1 = imread("..\\resources\\images\\dog.bmp");
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Mat img2 = img1;
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Mat img3;
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img3 = img1;
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Mat img4 = img1.clone();
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Mat img5;
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img1.copyTo(img5);
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img1.setTo(Scalar(0, 255, 255));
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imshow("img1", img1);
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imshow("img2", img2);
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imshow("img3", img3);
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imshow("img4", img4);
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imshow("img5", img5);
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waitKey();
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destroyAllWindows();
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}
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void MatOp3() {
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Mat img1 = imread("..\\resources\\images\\cat.bmp");
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if (img1.empty()) {
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cerr << "Image load failed!" << endl;
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return;
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}
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Mat img2 = img1(Rect(220, 120, 340, 240));
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Mat img3 = img1(Rect(220, 120, 340, 240)).clone();
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img2 = ~img2;
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imshow("img1", img1);
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imshow("img2", img2);
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imshow("img3", img3);
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waitKey();
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destroyAllWindows();
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} |