c++ - fatal error: opencv2/contrib/contrib.hpp' file not found (open cv already built) -

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i have downloaded , built open cv according these open cv docs.

i trying compile eigenfaces demo, , getting following error.

fatal error: 'opencv2/contrib/contrib.hpp' file not found

the line of concern is

#include "opencv2/contrib/contrib.hpp"

the contrib directory not in usr/local/include/opencv/ directory. have referenced following so question, seems handle case of building scratch.

also, repository references opencv_contrib not contain file contrib.hpp

how can add necessary source files current build without having rebuild everything?

since you're using opencv3.0:

the contrib parts have been outsourced separate github repo

you'll have that, append main opencv (re-)build, , then:

   #include <opencv2/face.hpp>    using namespace cv;    ptr<face::facerecognizer> model = face::createlbphfacerecognizer(...)

(an additional namespace added here)


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