10. The apparatus of claim 1 , wherein the characteristic information further includes target coordinates corresponding to the plurality of characteristics.
10. The apparatus of claim 1 , wherein the characteristic information further includes target coordinates corresponding to the plurality of characteristics. 11. The apparatus of claim 10 , wherein the candidate image provider module comprises: an adjustment module which adjusts preference colors constituting original images to colors corresponding to the target coordinates using an image conversion function; and a provider module which provides the plurality of candidate images comprised of the adjusted preference colors.