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OrbFeatureDetector was not declared in this scope

I have an Nvidia Jetson TK1 and I am following the tutorials and I am building both OpenCV files on my computer and the TK1.

I have run into a problem on my ubuntu computer that the line

cv::OrbFeatureDetector detect; // says it is not in scope.

The code runs fine on my jetson TK1 but I cannot figure out where to find the orbfeaturedetect class.

has it been removed from opencv ?

only header included is #include <opencv2 opencv.hpp="">