getShadowValue    122 modules/cudabgsegm/src/mog2.cpp         int getShadowValue() const { return shadowValue_; }
getShadowValue    178 modules/video/src/bgfg_KNN.cpp     virtual int getShadowValue() const { return nShadowDetection; }
getShadowValue    273 modules/video/src/bgfg_gaussmix2.cpp     virtual int getShadowValue() const { return nShadowDetection; }