How to convert a labview image type to opencv image type (or Mat)?

Question

I'm using LabView to acquire an image from a usb camera and then I want to process this image using openCV functions through a dll file (which is used in call function VI). Now I want to convert the image format that Labview produce to process it with opencv. How can I do so?

Answer 1

You can use the "IMAQ GetImagePixelPtr" to get the pointer on the image in LabView.

In the dll, you should be able to get it like this :

    int function(unsigned __int8 *LVImagePointer, int lineWidth, int height, int width)
    {
        Mat image(height, width, CV_8UC1, LVImagePointer, lineWidth);
        ...
    }