从OpenCV2.4.0之后的版本中都包含有一个图像拼接的例程。路径：“...\opencv\sources\samples\cpp\stitcher_detail.cpp”
本文就网上基于图像拼接的例程代码总结一下，基本上都是由此修改而来。以下给出原代，以及一个简单版本的例程。
1.一个简单的例子（易于理解）
#include "stdafx.h"#include <iostream>#include <fstream>#include <opencv2/core/core.hpp>#include "opencv2/highgui/highgui.hpp"#include "opencv2/stitching/stitcher.hpp"using namespace std;using namespace cv;bool try_use_gpu = false;vector<Mat> imgs;string result_name = "result.jpg";int main(){Mat img1=imread("1.jpg");Mat img2=imread("2.jpg");imgs.push_back(img1);imgs.push_back(img2);Mat pano;Stitcher stitcher = Stitcher::createDefault(try_use_gpu);//关键语句一Stitcher::Status status = stitcher.stitch(imgs, pano);//关键语句二if (status != Stitcher::OK){cout << "Can stitch images, error code = " << status << endl;return -1;}namedWindow(result_name);imshow(result_name,pano);imwrite(result_name,pano);waitKey();return 0;}
注意事项：
1.图像可以多幅，但是建议先两幅
2.图像之间的重合度要高一点
3.图像的大小建议一样，不一样的还没测试
问题解决：
1.问题描述：
1>stitch.obj : error LNK: 无法解析的外部符号 "public: static class cv::Stitcher __cdecl cv::Stitcher::createDefault(bool)" (?createDefault@Stitcher@cv@@SA?AV12@_N@Z)，该符号在函数 _main 中被引用
1>stitch.obj : error LNK: 无法解析的外部符号 "public: enum cv::Stitcher::Status __thiscall cv::Stitcher::stitch(class cv::_InputArray const &,class cv::_OutputArray const &)" (?stitch@Stitcher@cv@@QAE?AW4Status@12@ABV_InputArray@2@ABV_OutputArray@2@@Z)，该符号在函数 _main 中被引用
这种错误出在配置上，缺少opencv_stitching294.lib，这个不常用，在opencv配置教程中一般都没有包含。
解决方法
在属性中（我原来是用属性管理器中配置opencv的）
找不到的话，在下图中输入“属性”，点击 属性管理器
在连接器中（link）->输入->附加依赖项，添加“opencv_stitching249d.lib”（看你的版本了）。如果你是用debug，不要添加opencv_stitching249.lib（没有d）。这里还涉及一个问题，见4中的描述
4.问题描述
Stitcher::Status status = stitcher.stitch(imgs, pano);//关键语句二 运行出错 | vector访问出错 | vector小标越界 | 程序中断如下 | 0x00000005错误
解决方法
原因还是在OpenCV的配置上。如果你是debug，将属性管理器中的所有不带d的lib文件都删去（建议你放记事本里备份）。如果是release，就把带d的都删去。
测试发现，平时使用的时候，会在属性管理器的“Microsoft.Cpp.Win32.user”中加上带d和不带d的lib，这样就不需要每个工程都配置opencv了。
但是debug中的“Microsoft.Cpp.Win32.user”和release中的是同一个，会相互影响，修改哪一个中的都不行，于是全部添加上。相信有很多人都是这样的，所以这个问题应该是很多人都会遇到的吧。改过了就可以了。
最后注意一下，拼接成功的概率不高，应该是代码还不够优化吧。只要通过了“关键代码二”，基本配置上就不会有问题了。剩下的就要自己调参数了。
2.一个截图程序
（稍后附上）
3.源代码（复制过来的）
/*M/////// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.//// By downloading, copying, installing or using the software you agree to this license.// If you do not agree to this license, do not download, install,// copy or use the software.//////License Agreement//For Open Source Computer Vision Library//// Copyright (C) 2000-, Intel Corporation, all rights reserved.// Copyright (C) , Willow Garage Inc., all rights reserved.// Third party copyrights are property of their respective owners.//// Redistribution and use in source and binary forms, with or without modification,// are permitted provided that the following conditions are met://// * Redistributions of source code must retain the above copyright notice,//this list of conditions and the following disclaimer.//// * Redistributions in binary form must reproduce the above copyright notice,//this list of conditions and the following disclaimer in the documentation//and/or other materials provided with the distribution.//// * The name of the copyright holders may not be used to endorse or promote products//derived from this software without specific prior written permission.//// This software is provided by the copyright holders and contributors "as is" and// any express or implied warranties, including, but not limited to, the implied// warranties of merchantability and fitness for a particular purpose are disclaimed.// In no event shall the Intel Corporation or contributors be liable for any direct,// indirect, incidental, special, exemplary, or consequential damages// (including, but not limited to, procurement of substitute goods or services;// loss of use, data, or profits; or business interruption) however caused// and on any theory of liability, whether in contract, strict liability,// or tort (including negligence or otherwise) arising in any way out of// the use of this software, even if advised of the possibility of such damage.//////M*/#include <iostream>#include <fstream>#include <string>#include "opencv2/opencv_modules.hpp"#include "opencv2/highgui/highgui.hpp"#include "opencv2/stitching/detail/autocalib.hpp"#include "opencv2/stitching/detail/blenders.hpp"#include "opencv2/stitching/detail/camera.hpp"#include "opencv2/stitching/detail/exposure_compensate.hpp"#include "opencv2/stitching/detail/matchers.hpp"#include "opencv2/stitching/detail/motion_estimators.hpp"#include "opencv2/stitching/detail/seam_finders.hpp"#include "opencv2/stitching/detail/util.hpp"#include "opencv2/stitching/detail/warpers.hpp"#include "opencv2/stitching/warpers.hpp"using namespace std;using namespace cv;using namespace cv::detail;static void printUsage(){cout <<"Rotation model images stitcher.\n\n""stitching_detailed img1 img2 [...imgN] [flags]\n\n""Flags:\n"" --preview\n""Run stitching in the preview mode. Works faster than usual mode,\n""but output image will have lower resolution.\
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