Emgu Cv Convert Mat To Inputarray

If you look at its implementation you will find that it supports not only std vector mat but also types like mat matx std. I called the method with an empty mat and a mask for both cpu and gpu. Mat img2 new mat rows cols cv 8uc channels new bytepointer b.

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Emgu cv is a cross platform net wrapper to the opencv image processing library.

Emgu cv convert mat to inputarray.

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. If you change the pixel value on the bitmap you change the pixel values on the image object as well. If you are interest in using image class you can checkout.

Thank you for the response. See above the complete list. The cpu variant initializes all values to zero while the. The get property provide a more efficient way to convert image gray byte image bgr byte and image bgra byte into bitmap such that the image data is shared with bitmap.

Closed blackredscarf opened this issue jan 24 2018 14 comments closed. If its usage is restricted to std vector cv mat why don t we pass it to a function directly instead of adding an indirection here. When you see in the reference manual or in opencv source code a function that takes inputarray it means that you can actually pass mat matx vector t etc. The image class is still available in this release for backward compatibility reason.

Open cv 3 0 has been changed the c interface that use iplimage has been slowly phased out and the c interface that utilize mat is recommended in this release. In fact the method void inputarray getmatvector std vector mat mv const is not documented at all. How to convert between mat and byte 888. In 3 0 release emgu cv has adapted to use the mat class as a result.

Copy link quote reply author blackredscarf commented jan 29 2018. If some of the input arrays may be empty pass cv noarray or simply cv mat as you probably did before. You can use also for mat type remember to use nuget emgu runtime window or you can t use this library using emgu cv. Image gray byte image bitmapextension toimage bitmapimage bitmap bitmapimage image tobitmap.

The equivalent of cv mat.