NPCR and UACI of encrypted images

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

[Walter Roberson]

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]

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