OpenCV常用图像拼接方法(一) ：直接拼接

// 01_Combine_Two_Images.cpp 
// 环境 VS2017 + OpenCV4.4.0
// 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
// 特点：简单粗暴，实际应用对拍摄条件要求苛刻，适用性差
#include "pch.h"
#include <iostream>
#include <math.h>
#include <opencv2/opencv.hpp>

using namespace std;
using namespace cv;

int main()
{
  Mat img1 = imread("01.jpg");
  Mat img2 = imread("02.jpg");
  if (img1.empty() || img2.empty())
  {
    cout << "加载图片失败，请检查对应路径图片是否存在！" << endl;
    return 1;
  }
  imshow("src1", img1);
  imshow("src2", img2);
  int w1 = img1.cols; int h1 = img1.rows;
  int w2 = img2.cols; int h2 = img2.rows;
  int width = w1 + w2; int height = max(h1, h2);
  Mat  resultImg = Mat(height, width, CV_8UC3, Scalar::all(0));
  Mat ROI_1 = resultImg(Rect(0, 0, w1, h1));
  Mat ROI_2 = resultImg(Rect(w1, 0, w2, h2));
  img1.copyTo(ROI_1);
  img2.copyTo(ROI_2);
  imshow("result", resultImg);
  imwrite("result.jpg", resultImg);
  waitKey(0);
  return 0;
}

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