:param flags:Inpainting method that could be one of the following:
***INPAINT_NS** Navier-Stokes based method.
***INPAINT_TELEA** Method by Alexandru Telea [Telea04]_.
The function reconstructs the selected image area from the pixel near the area boundary. The function may be used to remove dust and scratches from a scanned photo, or to remove undesirable objects from still images or video. See