getShadowThreshold  125 modules/cudabgsegm/src/mog2.cpp         double getShadowThreshold() const { return shadowThreshold_; }
getShadowThreshold  181 modules/video/src/bgfg_KNN.cpp     virtual double getShadowThreshold() const { return fTau; }
getShadowThreshold  276 modules/video/src/bgfg_gaussmix2.cpp     virtual double getShadowThreshold() const { return fTau; }