Matlab与C++混合编程，添加OpenCV库

浏览数：22 / 时间：2015年06月08日

　　最近在做运动医学软件优化工作，此款软件框架及算法语言全由matlab实现，虽然matlab矩阵运算、数值计算能力强大，但速度让人难以忍受。软件立刻移植到C++上又不太实际，故采用联合编程的方式，速度难以容忍的算法交给C++实现，C++在实现代码的过程中某些数值计算及图像处理算法调opencv库函数。

　　在网上有很多matlab编写mex函数调用opencv库的方法，但都不能直接拿来。经过一步步试验，修改，最终完成，现将过程及内容记录下来留给后来人参考。

　　第一步：（参考参考资料1，但其写的不够详细，对于初学者难懂）实现matlab、c++、opencv混合编程的编译器配置以及链接库的自动配置。参考资料2的方法虽然可行，但每次程序开启都要手动重新配置，很麻烦。

　　其实就是写了一个cppmake.m文件，它的功能类似于Makefile，实际上就实现了mex编译这个工程时候的编译规则。具体可以看后面的代码，然后就知道在里面做了什么了。

 1 % This cppmake.m is for MATLAB
 2 % Function: compile c++ files which rely on OpenCV for Matlab using mex
 3 % Modified by Jessica
 4 % Date    : 2014-9-10
 5 % HomePage: http://www.cnblogs.com/lukylu/
 6 % Email   : [email protected]
 7 
 8 % Matlab and C++ mixed programming(dependent on opencv library)
 9 % First step(before exeuting this program): use "mex -setup" to choose your c/c++ compiler
10 clear all;
11 
12 % Get the architecture of this computer
13 is_64bit = strcmp(computer,‘MACI64‘) || strcmp(computer,‘GLNXA64‘) || strcmp(computer,‘PCWIN64‘);
14 
15 
16 %----------------------------------------------------------------------------------------------  
17 %% The configuration of compiler
18 % You need to modify this configuration according to your own path of OpenCV  
19 % Notice: if your system is 64bit, your OpenCV must be 64bit! 
20 out_dir=‘./‘;  
21 CPPFLAGS = ‘ -O -DNDEBUG -I.\ -IF:\opencv\build\include -IF:\opencv\build\include\opencv -IF:\opencv\build\include\opencv2‘; % your OpenCV "include" path  
22 LDFLAGS = ‘ -LF:\opencv\build\x86\vc10\lib‘;                       % your OpenCV "lib" path  
23 %LIBS = ‘ -lopencv_calib3d249d -lopencv_contrib249d -lopencv_core249d -lopencv_features2d249d -lopencv_flann249d -lopencv_gpu249d -lopencv_highgui249d -lopencv_imgproc249d -lopencv_legacy249d -lopencv_ml249d -lopencv_nonfree249d -lopencv_objdetect249d -lopencv_photo249d -lopencv_stitching249d -lopencv_ts249d -lopencv_video249d -lopencv_videostab249d‘;
24 LIBS = ‘ -lopencv_calib3d249 -lopencv_contrib249 -lopencv_core249 -lopencv_features2d249 -lopencv_flann249 -lopencv_gpu249 -lopencv_highgui249 -lopencv_imgproc249 -lopencv_legacy249 -lopencv_ml249 -lopencv_nonfree249 -lopencv_objdetect249 -lopencv_photo249 -lopencv_stitching249 -lopencv_ts249 -lopencv_video249 -lopencv_videostab249‘;
25 if is_64bit  
26     CPPFLAGS = [CPPFLAGS ‘ -largeArrayDims‘];  
27 end  
28 
29 % add your files here!!
30 compile_files = {
31     %the list of your code files which need to be compiled
32     ‘ImageCalibration.cpp‘
33     };
34 %---------------------------------------------------------------------------------------------- 
35 
36 %---------------------------------------------------------------------------------------------- 
37 %% compiling
38 for k = 1 : length(compile_files)  
39     str = compile_files{k};  
40     fprintf(‘compilation of: %s\n‘, str);  
41     str = [str ‘ -outdir ‘ out_dir CPPFLAGS LDFLAGS LIBS];  
42     args = regexp(str, ‘\s+‘, ‘split‘);  
43     mex(args{:});  
44 end 
45 fprintf(‘Congratulations, compilation successful!!!\n‘);
46 %----------------------------------------------------------------------------------------------