A method is provided, of manufacturing a material to be etched that can more preferably prevent a region to be etched from remaining as an un-etched region and reduce deviation of etchedun-etched regions. Furthermore, a color saturation value for the pixel included in the eye region is corrected with the use of a luminance value for a surrounding region around an eye and the evaluation value. Bridging calls to a plurality Home Network endpoints includes initiating an outgoing call from an endpoint. The additional processor may provide to each of the first and second processors the first and second virtual addresses to enable one or more tunnels between the first and the second processors.