前言:
开发环境:win10 Visual Studio 2017
开发语言:C++
编译器:Debug X64
Opencv版本:4.1.1
代码实现:
#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】读入图像
Mat srcImage1 = imread("D:\\vs2017_Project\\2nd-ROI-area\\background.jpg");
Mat logoImage = imread("D:\\vs2017_Project\\2nd-ROI-area\\logo.png");
//【2】定义一个Mat类型并给其设定ROI区域
Mat imageROI = srcImage1(Rect(590, 334, logoImage.cols, logoImage.rows)); // 注意ROI区域,若ROI区域超出img.cols/img.rows,系统会报错!
//【3】加载掩模
Mat mask = imread("D:\\vs2017_Project\\2nd-ROI-area\\logo.png");
//【4】将掩膜拷贝到ROI
logoImage.copyTo(imageROI, mask);
//【5】显示结果
namedWindow("案例:利用ROI实现图像叠加");
imshow("案例:利用ROI实现图像叠加", srcImage1);
return true;
}