Isolates the perimeter line of gray integer images. Background is defined as being black (0). \n
* It just checks if at least one of the 4 connected neighbors is non zero. Image borders are extended with zeros.
*
* \verbatim im.ProcessPerimeterLine(src_image: imImage, dst_image: imImage) [in Lua 5] \endverbatim
* \verbatim im.ProcessPerimeterLineNew(image: imImage) -> new_image: imImage [in Lua 5] \endverbatim
* \ingroup analyze
Isolates the perimeter line of gray integer images. Background is defined as being black (0). \n * It just checks if at least one of the 4 connected neighbors is non zero. Image borders are extended with zeros. * * \verbatim im.ProcessPerimeterLine(src_image: imImage, dst_image: imImage) [in Lua 5] \endverbatim * \verbatim im.ProcessPerimeterLineNew(image: imImage) -> new_image: imImage [in Lua 5] \endverbatim * \ingroup analyze