How do i calcualte Image Fidelity Using this equation?

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Hi, i am currently doing a project on steganography and i need to know how to apply this formula. The screenshot is taken from "A novel method for digital image steganography based on a new three-dimensional chaotic map"

Answers (1)

Vimal Rathod
Vimal Rathod on 15 Jan 2021
You could use "for" loops for doing the summation of the values and storing the P and S variables as 2 dimensional arrays will help you navigate properly according to the given formula.
You could also use Symbolic math toolbox's "symsum" function to find the summation.

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