title: I am working on SURF. But while debugging the code, it is showing an error : 'Cannot open include file'
body: <p>I am working on image processing using opencv and c++. In my code, I use the hedear files #include "opencv2/nonfree/nonfree.hpp". But while debugging, an error message is showing:
  error C1083: Cannot open include file:'opencv2/nonfree/nonfree.hpp':No such file or directory.</p>
  
  <p>I tried all the previous answers mentioned here. But still the error exists.</p>
  
  <p>I am using visualstudio 2013 and opencv 2.4.10</p>
  
  <p>How can I fix this?</p>
  
  <p>Thanks in advance</p>