| 摘要 |
A pixel adaptive image color adjusting device, including: a channel separation unit for separating an input image into a plurality of color channels by pixels; a conversion unit for converting the value of an adjustment target color channel based on an adjustment value for at least one of the plural color channels to be adjusted; a channel ratio calculation unit calculating a channel ratio of the adjustment target color channel before the conversion; a differentiator for obtaining a difference between a pre-conversion value and a post-conversion value of the adjustment target color channel; and a channel compensation unit for obtaining a compensating value for the adjustment target color channel by multiplying the difference obtained in the differentiator by the corresponding channel ratio, and obtaining a color channel value for expressing an image based on the compensating value. Therefore, an image color can be adjusted according to color channels adaptively to pixels and the image after color channel adjustment features a gradation of natural tones.
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