OpenCV 常用图像拼接方法(一) ：直接拼接(硬拼)

 1 // 01_Combine_Two_Images.cpp 
 2 // 环境 VS2017 + OpenCV4.4.0
 3 // 功能介绍：用于将两张图片拼接成一张大图(以左右拼接为例)，俗称的硬拼方法
 4 // 特点：简单粗暴，现实应用对拍摄条件要求苛刻，适用性差
 5 #include "pch.h"
 6 #include <iostream>
 7 #include <math.h>
 8 #include <opencv2/opencv.hpp>
 9  
10 using namespace std;
11 using namespace cv;
12  
13 int main()
14 {
15     Mat img1 = imread("01.jpg");
16     Mat img2 = imread("02.jpg");
17     if (img1.empty() || img2.empty())
18     {
19         cout << "加载图片失败，请检查对应路径图片是否存在！" << endl;
20         return 1;
21     }
22     imshow("src1", img1);
23     imshow("src2", img2);
24     int w1 = img1.cols; int h1 = img1.rows;
25     int w2 = img2.cols; int h2 = img2.rows;
26     int width = w1 + w2; int height = max(h1, h2);
27     Mat  resultImg = Mat(height, width, CV_8UC3, Scalar::all(0));
28     Mat ROI_1 = resultImg(Rect(0, 0, w1, h1));
29     Mat ROI_2 = resultImg(Rect(w1, 0, w2, h2));
30     img1.copyTo(ROI_1);
31     img2.copyTo(ROI_2);
32     imshow("result", resultImg);
33     imwrite("result.jpg", resultImg);
34     waitKey(0);
35     return 0;
36 }

int width = max(w1, w2); int height = h1 + h2;