imKernelCircularMean5x5

Creates a kernel with the following values: * \verbatim 0 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 0 \endverbatim * * \verbatim im.KernelMean5x5() -> kernel: imImage [in Lua 5] \endverbatim * \ingroup kernel