How can I import org.opencv.contrib on Java Project?

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I'm a newbie in OpenCV framework and I have aim to make a open source face recognize system. I'm trying to use the Java language. I followed some tutorial that explained install the OpenCV in MacBook by brew application. The installation was successful, but I couldn't find in the OpenCV java library the LBPH FaceRecognizer algorithm. Apparently this algorithm is available in org.opencv.contrib package. I don't know if OpenCV java library is incomplete or I need another java library to access the wrapper of this algorithm. Are there a example of code?

again, there is no org.opencv.contrib package (why do you think, it exists?), and you will only get the org.opencv.face package, IF you build both opencv and the opencv_contrib repo from src after you enabled the java wrappers for that module. (it's not on by default, that's why brew can't build it)

yea, i know, admittedly a painful process..

then, just saying, face recognition has improved a lot in recent years, and maybe it's easier (or more promising) to build on more java friendly libs

Thanks Berak! I will try install opencv_contrib from repo. I sorry my unknown.

@Bahramudin You can help? I have never used a compiler or visual studio. I use windows 10 x64 and am building opencv_contrib with the original OpencCV fonts. But I get an error in the Windows console:

C:\Users\Nelson Castiblanco\Desktop\opencv\build>cmake -DOPENCV_EXTRA_MODULES_PATH=C:\Users\Nelson Castiblanco\Desktop\opencv_contrib\modules "C:\Users\Nelson Castiblanco\Desktop\opencv\sources"

-- The CXX compiler identification is unknown -- The C compiler identification is unknown CMake Error at CMakeLists.txt:127 (project): The CMAKE_CXX_COMPILER:

cl is not a full path and was not found in the PATH.

To use the NMake generator with Visual C++, cmake must be run from a shell that can use the compiler cl from the command line. This environment is unable to invoke the cl compiler. To fix

@JavaMaster please read FAQ

Si señor, me equivoqué de lugar de publicacion. Gracias