This question was already asked [here](http://stackoverflow.com/q/35003851/807307), but received no answers.
I have an OpenCV 2 C++ program which makes use of [`PyramidAdaptedFeatureDetector`][1] (used over a [`GoodFeaturesToTrackDetector`][2] for a Lukas-Kanade optical flow) and would like to port it to OpenCV 3. However I cannot find any trace of that class in the docs or in the code for OpenCV 3. Has it been removed? What is suggested as a replacement?
[1]: http://docs.opencv.org/2.4/modules/features2d/doc/common_interfaces_of_feature_detectors.html#pyramidadaptedfeaturedetector
[2]: http://docs.opencv.org/2.4/modules/features2d/doc/common_interfaces_of_feature_detectors.html#goodfeaturestotrackdetector
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