/// <summary>
/// The grab cut algorithm for segmentation
/// </summary>
/// <param name="img">The 8-bit 3-channel image to be segmented</param>
/// <param name="mask">Input/output 8-bit single-channel mask. The mask is initialized by the function
/// when mode is set to GC_INIT_WITH_RECT. Its elements may have one of following values:
/// 0 (GC_BGD) defines an obvious background pixels.
/// 1 (GC_FGD) defines an obvious foreground (object) pixel.
/// 2 (GC_PR_BGR) defines a possible background pixel.
/// 3 (GC_PR_FGD) defines a possible foreground pixel.
///</param>
/// <param name="rect">The rectangle to initialize the segmentation</param>
/// <param name="bgdModel">
/// Temporary array for the background model. Do not modify it while you are
/// processing the same image.
/// </param>
/// <param name="fgdModel">
/// Temporary arrays for the foreground model. Do not modify it while you are
/// processing the same image.
/// </param>
/// <param name="iterCount">The number of iterations</param>
/// <param name="type">The initialization type</param>
public static void GrabCut(
IInputArray img,
IInputOutputArray mask,
Rectangle rect,
IInputOutputArray bgdModel,
IInputOutputArray fgdModel,
int iterCount,
CvEnum.GrabcutInitType type)
{
using (InputArray iaImg = img.GetInputArray())
using (InputOutputArray ioaMask = mask == null ? InputOutputArray.GetEmpty() : mask.GetInputOutputArray())
using (InputOutputArray ioaBgdModel = bgdModel.GetInputOutputArray())
using (InputOutputArray ioaFgdModel = fgdModel.GetInputOutputArray())
cveGrabCut(iaImg, ioaMask, ref rect, ioaBgdModel, ioaFgdModel, iterCount, type);
}
