Opencv 图像拼接与融合简单方法Stitcher

官方示例

#include "opencv2/imgcodecs.hpp"#include "opencv2/highgui.hpp"#include "opencv2/stitching.hpp"#include <iostream>using namespace std;using namespace cv;bool divide_images = false;Stitcher::Mode mode = Stitcher::PANORAMA;vector<Mat> imgs;string result_name = "result.jpg";void printUsage(char** argv);int parseCmdArgs(int argc, char** argv);int main(int argc, char* argv[]){int retval = parseCmdArgs(argc, argv);if (retval) return EXIT_FAILURE;Mat pano;Ptr<Stitcher> stitcher = Stitcher::create(mode);Stitcher::Status status = stitcher->stitch(imgs, pano);if (status != Stitcher::OK){cout << "Can't stitch images, error code = " << int(status) << endl;return EXIT_FAILURE;}imwrite(result_name, pano);cout << "stitching completed successfully\n" << result_name << " saved!";return EXIT_SUCCESS;}void printUsage(char** argv){cout <<"Images stitcher.\n\n" << "Usage :\n" << argv[0] <<" [Flags] img1 img2 [...imgN]\n\n""Flags:\n"" --d3\n""internally creates three chunks of each image to increase stitching success\n"" --mode (panorama|scans)\n""Determines configuration of stitcher. The default is 'panorama',\n""mode suitable for creating photo panoramas. Option 'scans' is suitable\n""for stitching materials under affine transformation, such as scans.\n"" --output <result_img>\n""The default is 'result.jpg'.\n\n""Example usage :\n" << argv[0] << " --d3 --try_use_gpu yes --mode scans img1.jpg img2.jpg\n";}int parseCmdArgs(int argc, char** argv){if (argc == 1){printUsage(argv);return EXIT_FAILURE;}for (int i = 1; i < argc; ++i){if (string(argv[i]) == "--help" || string(argv[i]) == "/?"){printUsage(argv);return EXIT_FAILURE;}else if (string(argv[i]) == "--d3"){divide_images = true;}else if (string(argv[i]) == "--output"){result_name = argv[i + 1];i++;}else if (string(argv[i]) == "--mode"){if (string(argv[i + 1]) == "panorama")mode = Stitcher::PANORAMA;else if (string(argv[i + 1]) == "scans")mode = Stitcher::SCANS;else{cout << "Bad --mode flag value\n";return EXIT_FAILURE;}i++;}else{Mat img = imread(samples::findFile(argv[i]));if (img.empty()){cout << "Can't read image '" << argv[i] << "'\n";return EXIT_FAILURE;}if (divide_images){Rect rect(0, 0, img.cols / 2, img.rows);imgs.push_back(img(rect).clone());rect.x = img.cols / 3;imgs.push_back(img(rect).clone());rect.x = img.cols / 2;imgs.push_back(img(rect).clone());}elseimgs.push_back(img);}}return EXIT_SUCCESS;}

使用方法

在vs中新建一个空的项目，新建一个源文件，将代码复制到源文件中，右键项目重新生成。找到生成的文件位置，使用控制台运行生成的可执行文件。

这里生成的是‘’图像拼接.exe"

result.jpg是拼接好的图像

运行效果

从网上随便截了4张相连的图片，名字为1.png,2.png,3.png,4.png

最终合成的图像效果如下

–mode panorama

–mode scans:

原图：

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