致命错误：opencv2 / contrib / contrib.hpp'文件未找到（打开cv已建立） [英] fatal error: opencv2/contrib/contrib.hpp' file not found (open cv already built)

问题描述

我已根据这些打开cv文档。

我试图编译此 Eigenfaces演示，我收到以下错误。

 致命错误：未找到'opencv2 / contrib / contrib.hpp'文件
  

关注是

  #includeopencv2 / contrib / contrib.hpp
  pre> 
 
 
 contrib目录不在我的 usr / local / include / opencv / 目录中。我参考了以下 SO问题，但它似乎只处理从头建立的情况。
 
 
 
此外，它引用的存储库 opencv_contrib 甚至不包含文件 contrib.hpp  
 
 
 
如何简单地添加必要的源文件到我的当前版本，而不必完全重建一切？
解决方案
由于你明显使用opencv3.0：
 
 
 
 contrib部分已外包给单独的github repo  
 
 
 
你必须得到它，附加到你的opencv然后：
  #include< opencv2 / face.hpp> 
 using namespace cv; 
 Ptr< face :: FaceRecognizer> model = face :: createLBPHFaceRecognizer（...）
  
 p> 
I have downloaded and built open cv according to these open cv docs.

I am trying to compile this Eigenfaces demo, and I am getting the following error.
fatal error: 'opencv2/contrib/contrib.hpp' file not found
The line of concern is
#include "opencv2/contrib/contrib.hpp"
The contrib directory is not in my usr/local/include/opencv/ directory. I have referenced the following SO Question, but it seems to only handle the case of building from scratch.

Also, the repository that it references opencv_contrib does not even contain the file contrib.hpp

How can I simply add the necessary source files to my current build without having to completely rebuild everything?
解决方案
Since you're obviously using opencv3.0:

the contrib parts have been outsourced to a separate github repo

You'll have to get that, append it to your main opencv (re-)build, and then:
   #include <opencv2/face.hpp>
   using namespace cv;
   Ptr<face::FaceRecognizer> model = face::createLBPHFaceRecognizer(...)
(an additional namespace was added here)

                        
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