In order to enhance texture and contrast information, a fractional differential algorithm using a family of controlling functions was proposed in this paper. Firstly, a fractional differential texture enhancement mask was put forward. In order to enhance the contrast of the image while enhancing texture, a family of control functions was designed, and then, an improved mask was get. To determine the optimal fractional differential order, an adaptive differential function is designed. Experiments and results showed that the proposed method has good effectiveness for image texture and contrast enhancement.
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