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yes, FREAK is in the xfeatures2d module in opencv_contrib.

it's not absolutely nessecary for opencv3, but if you need FREAK or BRIEF, you will have to get the opencv_contrib repo and build from src.

yes, FREAK is in the xfeatures2d module in opencv_contrib.

it's not absolutely nessecary for opencv3, but if you need FREAK or BRIEF, you will have to get the opencv_contrib repo and build from src.

don't be too afraid of that, if you already built the main repo from scratch, all you need to do is add the path to the contreib modules, and rerun cmake / vs.

yes, FREAK is in the xfeatures2d module in opencv_contrib.

it's not absolutely nessecary for opencv3, but if you need FREAK or BRIEF, you will have to get the opencv_contrib repo and build from src.

don't be too afraid of that, if you already built the main repo from scratch, all you need to do is add the path to the contreib modules, contrib modules (see the readme there), and rerun cmake / vs.

yes, FREAK is in the xfeatures2d module in opencv_contrib.

it's not absolutely nessecary for opencv3, but if you need FREAK or BRIEF, you will have to get the opencv_contrib repo and build from src.

don't be too afraid of that, if you already built the main repo from scratch, all you need to do is add the path to the contrib modules (see the readme there), and rerun cmake / vs.

after running the INSTALL proj. , you will have all headers/libs/dlls in one place.