Abstract

In this paper, we propose a new enhancement method for color images by using hue component. In color image processing, hue preserving is required. Certainly, the hue should not be processed, however it is possible to use for color image processing. However, the hue component is hardly used in the color image processing so far. In this paper, we clarify a new image enhancement method using hue component. In the method, high frequency component of hue is used for the unsharp masking for intensity processing. This method is effective for sharpening the blurred color image area. Although the proposed method is very simple processing, the emphasis effect is high, and this fact is clarified through image processing examples.

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