NPCR and UACI of encrypted images

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SNEHA P S on 25 Sep 2017

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https://in.mathworks.com/matlabcentral/answers/358174-npcr-and-uaci-of-encrypted-images

Commented: Saurabh on 1 Aug 2024

I need to find out the NPCR and UACI value of two encrypted images. Please help me with the matlab code for the same.

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Walter Roberson on 25 Sep 2017

Those items are defined at http://www.cyberjournals.com/Papers/Apr2011/05.pdf

http://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fast-answer

Saurabh on 1 Aug 2024

Hi Sneha,

I have answered something similar to your question in one of the MATLAB question.

https://www.mathworks.com/matlabcentral/answers/2141921-way-of-calculating-npcr-and-uaci?s_tid=srchtitle

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