createBackgroundSubtractorKNN  299 modules/video/include/opencv2/video/background_segm.hpp     createBackgroundSubtractorKNN(int history=500, double dist2Threshold=400.0,
createBackgroundSubtractorKNN   61 samples/cpp/bgfg_segm.cpp             createBackgroundSubtractorKNN().dynamicCast<BackgroundSubtractor>() :
createBackgroundSubtractorKNN   62 samples/tapi/bgfg_segm.cpp     Ptr<BackgroundSubtractorKNN> knn = createBackgroundSubtractorKNN();