isSubmatrix 699 modules/core/include/opencv2/core/mat.inl.hpp bool Mat::isSubmatrix() const isSubmatrix 3341 modules/core/include/opencv2/core/mat.inl.hpp bool UMat::isSubmatrix() const isSubmatrix 550 modules/core/misc/java/src/java/core+Mat.java public boolean isSubmatrix() isSubmatrix 1945 modules/core/src/matrix.cpp bool _InputArray::isSubmatrix(int i) const