版权声明:本文为博主原创文章,未经博主允许不得转载。 https://blog.csdn.net/qq_38784454/article/details/82320453
知识点:
1、每个子函数都要有个return,即返还值;
2、掩膜图像的应用,A.copyTo(B,mask),mask必须是灰度图像;
C++代码:
#include "stdafx.h"
#include "cv.h"
#include "highgui.h"
using namespace cv;
using namespace std;
bool ROI_AddImage();
//bool LinearBlending();
bool ROI_LinearBlending();
int main()
{
system("color 5E"); //5:背景色为紫色,E:前景色为淡黄色;
if (ROI_AddImage() && ROI_LinearBlending())
{
cout << endl << "运行成,得出你需要的图像:";
}
waitKey(0);
return 0;
}
bool ROI_AddImage()
{
Mat srcImage1 = imread("E:\\学习资料\\VS2013程序\\dota.jpg");
Mat logoImage = imread("E:\\学习资料\\VS2013程序\\dota_logo.jpg");
if (!srcImage1.data){ printf("读取图像srcImage错误!\n"); return false; }
if (!logoImage.data){ printf("读取图像logoImage错误!\n"); return false; }
Mat imageROI = srcImage1(Rect(100,150,logoImage.cols,logoImage.rows));
Mat mask = imread("dota_logo.jpg",0);
logoImage.copyTo(imageROI, mask);
namedWindow("利用ROI实现图像叠加");
imshow("利用ROI实现图像叠加", srcImage1);
return true;//结束当前函数,将控制权返还给调用此函数的函数中。
}
bool ROI_LinearBlending()
{
Mat srcImage4 = imread("E:\\学习资料\\VS2013程序\\dota.jpg");
Mat logoImage = imread("E:\\学习资料\\VS2013程序\\dota_logo.jpg");
Mat ImageROI = srcImage4(Rect(100,150,logoImage.cols, logoImage.rows));
addWeighted(ImageROI,0.5,logoImage,0.3,0,ImageROI);
namedWindow("区域线性图像混合");
imshow("区域线性图像混合",srcImage4);
return true;
}
bool LinearBlending()
{
double alphaValue = 0.5;
double betaValue;
Mat srcImage2, srcImage3, dstImage;
srcImage2 = imread("mogu.jpg");
srcImage3 = imread("rain.jpg");
betaValue = (1.0 - alphaValue);
addWeighted(srcImage2,alphaValue,srcImage3,betaValue,0,dstImage);
namedWindow("原图");
imshow("原图",srcImage2);
namedWindow("效果图");
imshow("效果图",dstImage);
return true ;
}