Adaptive gain image enhancement method based on fractional order multi-scale entropy fusion
An adaptive gain and multi-scale entropy technology, which is applied in image enhancement, image analysis, image data processing, etc., can solve the problem that the texture details of integer-order differential noise-sensitive images cannot be effectively improved
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[0068] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.
[0069] refer to figure 1 As shown, the present invention is an adaptive gain image enhancement method based on fractional multi-scale entropy fusion, and the overall flow chart is as follows figure 1 As shown, the specific implementation steps are as follows:
[0070] Step 1: Input the original underwater image, and convert the original underwater image from an RGB image to a grayscale image;
[0071] Step 2: Apply the 4-direction Sobel edge detector to calculate the gradient image corresponding to the grayscale image, and obtain the adaptive gain function of the gradient image;
[0072] Taking advantage of the sensitivity of human eyes to high-frequency information such as edges, a Sobel ope...
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