/// <summary>
/// Applies a binary blob thinning operation, to achieve a skeletization of the input image.
/// The function transforms a binary blob image into a skeletized form using the technique of Zhang-Suen.
/// </summary>
/// <param name="src">Source 8-bit single-channel image, containing binary blobs, with blobs having 255 pixel values.</param>
/// <param name="dst">Destination image of the same size and the same type as src. The function can work in-place.</param>
/// <param name="thinningType">Value that defines which thinning algorithm should be used. </param>
public static void Thinning(
InputArray src, OutputArray dst,
ThinningTypes thinningType = ThinningTypes.ZHANGSUEN)
{
if (src == null)
{
throw new ArgumentNullException(nameof(src));
}
if (dst == null)
{
throw new ArgumentNullException(nameof(dst));
}
src.ThrowIfDisposed();
dst.ThrowIfNotReady();
NativeMethods.ximgproc_thinning(src.CvPtr, dst.CvPtr, (int)thinningType);
GC.KeepAlive(src);
dst.Fix();
}
private static extern void cveThinning(IntPtr src, IntPtr dst, ThinningTypes thinningType);
/// <summary>
/// Applies a binary blob thinning operation, to achieve a skeletization of the input image.
/// The function transforms a binary blob image into a skeletized form using the technique of Zhang-Suen.
/// </summary>
/// <param name="src">Source 8-bit single-channel image, containing binary blobs, with blobs having 255 pixel values.</param>
/// <param name="dst">Destination image of the same size and the same type as src. The function can work in-place.</param>
/// <param name="thinningType">Value that defines which thinning algorithm should be used.</param>
public static void Thinning(IInputArray src, IOutputArray dst, ThinningTypes thinningType)
{
using (InputArray iaSrc = src.GetInputArray())
using (OutputArray oaDst = dst.GetOutputArray())
cveThinning(iaSrc, oaDst, thinningType);
}
