前言:
開發環境:win10 Visual Studio 2017
開發語言:C++
編譯器:Debug X64
Opencv版本:4.1.1
代碼實現:
#include<iostream>
#include <opencv2/core/core.hpp>
#include <opencv2/highgui/highgui.hpp>
#include <opencv2/imgproc/imgproc.hpp>
using namespace cv;
using namespace std;
bool ROI_AddImage();
int main()
{
system("color 0F");
if (ROI_AddImage())
{
cout << endl << "OK! Success!";
}
while (1)
{
if (waitKey(100) == 27)
break;
}
}
bool ROI_AddImage()
{
//【1】讀入圖像
Mat srcImage1 = imread("D:\\vs2017_Project\\2nd-ROI-area\\background.jpg");
Mat logoImage = imread("D:\\vs2017_Project\\2nd-ROI-area\\logo.png");
//【2】定義一個Mat類型並給其設定ROI區域
Mat imageROI = srcImage1(Rect(590, 334, logoImage.cols, logoImage.rows)); // 注意ROI區域,若ROI區域超出img.cols/img.rows,系統會報錯!
//【3】加載掩模
Mat mask = imread("D:\\vs2017_Project\\2nd-ROI-area\\logo.png");
//【4】將掩膜拷貝到ROI
logoImage.copyTo(imageROI, mask);
//【5】顯示結果
namedWindow("案例:利用ROI實現圖像疊加");
imshow("案例:利用ROI實現圖像疊加", srcImage1);
return true;
}