如何在Executable中嵌入openCV Dll

Question

我使用openCV编写了一个图像匹配工具(控制台应用程序,没有gui或windows).我想将我的EXE文件移植到另一台计算机,但它要求opencv dll(opencv_core220.dll,opencv_highgui220.dll,...)

我的问题是如何做到这一点.我发现其中任何一种方法都是好的:

1. 将opencv重新编译为静态库(.lib而不是.dll).那没用.我得到10个关于cap_vfw.obj的链接器错误
2. 如果可能,如何将DLL合并/嵌入到exe文件中.

我试图使用ILMerge,但它不起作用(错误:不能从a.exe文件加载程序集),因为它仅用于.Net

PS - 我在Windows,c ++编译器,openCV 2.2上使用visual studio 2005

Answer 1

我找到了答案.您必须打开原始openCV项目并在静态库模式下重新编译所有相关部分.

• 从每个项目开始libjasper,按字母顺序排列,直到opencv_video.也为zlib项目做同样的事情
• 对于每个项目,转到项目属性\配置属性\ general\configuration type并将其设置为静态库
• 现在重新编译这些项目.他们将创建许多大型lib文件(最多10MB).这些文件主要位于modulesopencv目录中.在编译dll时,你必须找到它们并复制到目录中.现在是一个棘手的部分
• 与编译dll时相比,你必须在代码中包含更多的库
• 这是一个示例,您的代码应该是这样的.抱歉它格式不正确.可能是这个页面的html错误:

#include "cv.h"
#include "highgui.h"

    using namespace std;
    using namespace cv;

    // Directives to linker to include openCV lib files.

    #ifndef STATIC_LIBRARY_LINK
        // Linking against DLL. For each 'lib' file that appears below, final EXE will need a DLL.

    // Core of openCV
    #pragma comment(lib, "opencv_core220.lib") 
    #pragma comment(lib, "opencv_highgui220.lib") 
    #pragma comment(lib, "opencv_imgproc220.lib") 

    // Calibration and image matching
    #pragma comment(lib, "opencv_flann220.lib") 
    #pragma comment(lib, "opencv_features2d220.lib") 
    #pragma comment(lib, "opencv_calib3d220.lib") 

    // Other libs that might be needed
    /*#pragma comment(lib, "opencv_gpu220.lib") 
    #pragma comment(lib, "opencv_video220.lib") 
    #pragma comment(lib, "opencv_legacy220.lib") 

    #pragma comment(lib, "opencv_ml220.lib") 
    #pragma comment(lib, "opencv_objdetect220.lib") 
    #pragma comment(lib, "opencv_ffmpeg220.lib") 
    #pragma comment(lib, "opencv_contrib220.lib") */
#else

    // Static linking. No DLL's would be required but EXE file will be bigger 
    // and linking in debug mode might produce many warnings since *.pdb are not always 
    // present with the lib files

    // Core of openCV. Must be compiled as lib and not as dll's
    #pragma comment(lib, "opencv_core.lib") 
    #pragma comment(lib, "opencv_highgui.lib") 
    #pragma comment(lib, "opencv_imgproc.lib") 

    // Calibration and image matching. Must be compiled as lib and not as dll's
    #pragma comment(lib, "opencv_flann.lib") 
    #pragma comment(lib, "opencv_features2d.lib") 
    #pragma comment(lib, "opencv_calib3d.lib") 

    // Image I/O auxillary libraries. Must be compiled as lib and not as dll's
    #pragma comment(lib, "libtiff.lib") 
    #pragma comment(lib, "libpng.lib")
    #pragma comment(lib, "zlib.lib")
    #pragma comment(lib, "libjasper.lib")
    #pragma comment(lib, "libjpeg.lib")

    // OpenCV linear algebra methods. Must be compiled as lib and not as dll's
    #pragma comment(lib, "opencv_lapack.lib")

    // Auxillary libs, found in visual studio microsoft sdk
    #pragma comment(lib, "vfw32.lib")
    #pragma comment( lib, "comctl32.lib" )
    //#pragma comment(lib, "window_w32.lib")  // Not needed
#endif


    int main(void){
        // Your code here
        return 0;
    }