winSize 13 apps/traincascade/cascadeclassifier.cpp featureType( defaultFeatureType ), winSize( cvSize(24, 24) ) winSize 18 apps/traincascade/cascadeclassifier.cpp featureType( _featureType ), winSize( cvSize(24, 24) ) winSize 85 modules/videostab/include/opencv2/videostab/optical_flow.hpp virtual Size winSize() const { return winSize_; }