原始图片下载地址:
链接:https://pan.baidu.com/s/1fmTNu324_K1D2rGLCmR_RQ
提取码:jap1
#include <opencv2/core.hpp>
#include <opencv2/highgui.hpp>
#include <opencv2/imgproc.hpp>
#include <iostream>
using namespace cv;
using namespace std;
//图片混合
bool MixImage(Mat& srcImage, Mat mixImage, Point startPoint)
{
//检查图片数据
if (!srcImage.data || !mixImage.data)
{
cout << "输入图片 数据错误!" << endl ;
return false;
}
//检查行列是否越界
int addCols = startPoint.x + mixImage.cols > srcImage.cols ? 0 : mixImage.cols;
int addRows = startPoint.y + mixImage.rows > srcImage.rows ? 0 : mixImage.rows;
if (addCols ==0 || addRows ==0)
{
cout << "添加图片超出" << endl;
return false;
}
//ROI 混合区域
Mat roiImage = srcImage(Rect(startPoint.x, startPoint.y, addCols, addRows));
//图片类型一致
if (srcImage.type() == mixImage.type())
{
mixImage.copyTo(roiImage, mixImage);
return true;
}
Mat maskImage;
//原始图片:灰度 贴图:彩色
if (srcImage.type() == CV_8U && mixImage.type() == CV_8UC3)
{
cvtColor(mixImage, maskImage, COLOR_BGR2GRAY);
maskImage.copyTo(roiImage, maskImage);
return true;
}
//原始图片:彩色 贴图:灰色
if (srcImage.type() == CV_8UC3 && mixImage.type() == CV_8U)
{
cvtColor(mixImage, maskImage, COLOR_GRAY2BGR);
maskImage.copyTo(roiImage, maskImage);
return true;
}
return false;
}
int main()
{
//1、读取图片;
Mat srcImage = imread("../Data/dota_pa.jpg");
Mat logoImage = imread("../Data/dota_logo.jpg");
cout << "原图 通道数: " << srcImage.channels() << " 类型:"<< srcImage.type() << endl;
cout << "logo 通道数: " << logoImage.channels() << " 类型:" << logoImage.type() << endl;
//2、实现贴图
MixImage(srcImage, logoImage, Point(200, 250));
//3、显示图片
imshow("srcImage", srcImage);
waitKey(0);
destroyAllWindows();
return 1;
}