How to apply Generalized Gaussian function to a subbands of DWT of grayscale image with pdf of α and β parameters

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Naushad Varish 2017-1-1

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https://ww2.mathworks.cn/matlabcentral/answers/318738-how-to-apply-generalized-gaussian-function-to-a-subbands-of-dwt-of-grayscale-image-with-pdf-of-an

I want to model a grayscale image using Generalized Gaussian function (PDF) using α and β parameters. The generalized Gaussian distribution function with parameters α and β is applied on each subband coefficients for the goodness of fit of the Gaussian function.