allocates a 30x40 floating-point matrix mat a(30, 40, datatype<float>::type); mat .... operator cvpoint3d32f() const; //! conversion to cv::vec operator vec<_tp, ...
a primitive opencv data type is one of unsigned char, bool, signed char, unsigned short, signed short, int, float, double, or a tuple of values of one of these types ...
2 août 2011 - okay, i'm a dimwit. here is how it goes: there is the function convertto that does ... how do i convert a cv::mat of type cv_32fc1 to the type cv_64fc1 (equivalent to a change from float to double)?. i am opening a matrix that ...
4 déc. 2011 - cv_8u is unsigned 8bit/pixel - ie a pixel can have values 0-255, this is the normal ... it is mixing cv::mat objects of types cv_8u (which is what is created ... cv_32f is float - the pixel can have any value between 0-1.0, this is ...
17 juin 2012 - edit. from the opencv docs: sum ... the functions sum calculate and return the sum .... //sum for first channel double sum1 = cv::sum(my_mat)[0]; //sum for second channel double sum2 = cv::sum(my_mat)[1]; //sum for third ...
