FREAK: Fast Retina KeypointA. Alahi, R. Ortiz, and P. Vandergheynst. FREAK: Fast Retina Keypoint. In IEEE Conference on Computer Vision and Pattern Recognition, 2012.Alexandre Alahi, Raphael Ortiz, Kirell Benzi, Pierre VandergheynstEcole Polytechnique Federale de Lausanne (EPFL), Switzerlandhttp://www.ivpe.com/freak.htmhttp://infoscience.epfl.ch/record/175537/files/2069.pdfhttp://lts2.epfl.ch---------------DEPENDENCIESCMake >= 2.6,http://www.cmake.org/OpenCV >= 2.4 ,http://code.opencv.org/projects/opencv---------------BUILDING### LIBRARY + DEMOCreate a build directorymkdir buildcd build- SET CMAKE_INSTALL_PREFIX (default /usr/local/)- SET OpenCV_DIR if not installed in default dircmake -DCMAKE_INSTALL_PREFIX=/Users/YourName/path/toFolder/ -DOpenCV_DIR=/Users/YourName/path/to/OpenCv/ ..-DCMAKE_INSTALL_PREFIX=/Users/kikohs/Projects/libs/  -DOpenCV_DIR=/usr/local/share/OpenCVIf you have error with the FindOpenCV in cmake, change OpenCV_DIR to folder containing OpenCVConfig.cmakeUsually -DOpenCV_DIR=/Users/YourName/path/to/OpenCv/share/OpenCv/### NO DEMO- SET BUILD_DEMO=OFFcmake -DCMAKE_INSTALL_PREFIX=/Users/YourName/path/toFolder/ -DOpenCV_DIR=/Users/YourName/path/to/OpenCv/ -DBUILD_DEMO=OFF ..### NO USE OF SSE3- SET USE_SEE=OFFcmake -DCMAKE_INSTALL_PREFIX=/Users/YourName/path/toFolder/ -DOpenCV_DIR=/Users/YourName/path/to/OpenCv/ -DUSE_SSE=OFF ..make(sudo) make install