Cv Mat Copyto
If the current array shape and the type match the new ones return immediately.
Cv mat copyto. The doc of mat copyto void mat copyto outputarray m inputarray mask const says. It can be used to store real or complex valued vectors and matrices grayscale or color images voxel volumes vector fields point clouds tensors histograms though very high dimensional histograms may be better stored in a sparsemat. You can rate examples to help us improve the quality of examples.
When the operation mask is specified and the mat create call shown above reallocated the matrix the newly allocated matrix is initialized with all zeros before copying the data. I called the method with an empty mat and a mask for both cpu and gpu. Before copying the data the method invokes. Is the documentation wrong.
What should i do to return a cv mat from a function such as. So that the destination matrix is reallocated if needed. According to the documentation if i return a cv mat it ll have no use because after the function returns the local copy of the cv mat in that. C cpp mat copyto 30 examples found.
C csharp emgu cv mat copyto 2 examples found. The cpu variant initializes all values to zero while the. I understand from the documentation that mat copyto is deep copy while the assignment operator is not. The class mat represents an n dimensional dense numerical single channel or multi channel array.
These are the top rated real world c cpp examples of mat copyto from package acm extracted from open source projects. You can rate examples to help us improve the quality of examples.