Abstract
Pixel art is a description technique of the computer graphics. The artists produce the lusterware image to be able to recognize the summary of a character and the object by using Pixel art technique. This technique is still used and for a long time in the video game for low resolution graphics. Tile pattern gradation is a technique for expressing the gradation in a peculiar dot arrangement by a little number of colors. In recent years, Tile pattern is used from the deep-rooted popularity at a lot of chances like the expression of texture etc. However, it takes a lot of labors and time to produce from details and the difficulty of work. In this paper, we focused on the Tile pattern of pixel art and suggest technique to generate the gradation by the automatic operation.
