图像混合学习。运用加权函数，学习opencv基础操作

 1 #include <opencv2/opencv.hpp>
 2 #include <iostream>
 3 using namespace std;
 4 using namespace cv;
 5 //----------------------融合函数——-------
 6 bool ROI_Addimg()
 7 {
 8     Mat srcImage = imread("3.jpg");
 9     Mat logoImage = imread("1.jpg");
10     //检测是否读取到图片数据
11     if (!srcImage.data)
12     {
13         cout<<"no src data"<<endl;
14     }
15     if (!logoImage.data)
16     {
17         cout<<"no logo data"<<endl;
18     }
19     //定义一个Mat类型并指定ROI区域
20     Mat ROIimage = srcImage(Rect(0,0,logoImage.cols,logoImage.rows));
21     //添加权重
22     addWeighted(ROIimage,0.7,logoImage,0.6,0.,ROIimage);
23     namedWindow("..");
24     imshow("..",srcImage);
25     Mat D(srcImage,Rect(10,10,500,500));
26     namedWindow(".");
27     imshow(".",D);
28     Mat F = srcImage(Range(100,500), Range(20,500));
29     namedWindow("1.");
30     imshow("1.",F);
31     imwrite("123.jpg",srcImage);
32     return true;
33 }

 

  1 #include <iostream>

 2 #include <opencv2/opencv.hpp>
 3 using namespace std;
 4 using namespace cv;
 5 bool ROI_Addimg();
 6 bool ROI_Addimage()
 7 {
 8     Mat srcImage = imread("1.jpg");
 9     Mat logoImage = imread("2.jpg");
10     if (!srcImage.data)
11         {
12             cout<<"false! no creImage"<<endl;
13             return false;
14         }
15     if (!logoImage.data)
16         {
17             cout<<"SB no logoImage"<<endl;
18             return false;
19         }
20     Mat imageROI = srcImage(Rect(200,250,logoImage.cols,logoImage.rows));
21     //加掩模复制到ROI 必须是灰度图像
22     Mat mask = imread("2.jpg",0);
23     logoImage.copyTo(imageROI,mask);
24     //Mat imageROI1;
25     //addWeighted(imageROI,0.7,logoImage,0.3,0.0,imageROI);
26     namedWindow("...");
27     imshow("...",srcImage);
28     waitKey(1);
29     return true;
30 }
31 void main()
32 {
33     if(ROI_Addimage()&&ROI_Addimg())
34         cout<<"good"<<endl;
35     waitKey(0);
36 
37     //return ROI_Addimage();
38 }