Cv Mat Copyto

The class mat represents an n dimensional dense numerical single channel or multi channel array. I understand from the documentation that mat copyto is deep copy while the assignment operator is not.

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Before copying the data the method invokes.

Cv mat copyto.

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. Is the documentation wrong. These are the top rated real world c cpp examples of mat copyto from package acm extracted from open source projects. C cpp mat copyto 30 examples found.

These are the top rated real world c csharp examples of emgu cv mat copyto extracted from open source projects. I called the method with an empty mat and a mask for both cpu and gpu. The cpu variant initializes all values to zero while the. You can rate examples to help us improve the quality of examples.

So that the destination matrix is reallocated if needed. If the current array shape and the type match the new ones return immediately. C csharp emgu cv mat copyto 2 examples found. N dimensional dense array class.

What should i do to return a cv mat from a function such as. 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. You can rate examples to help us improve the quality of examples. The behaviour of copying cv mat is confusing me.

The doc of mat copyto void mat copyto outputarray m inputarray mask const says. 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.