How to calculate NPCR and UACI of an RGB color image in matlab?

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Kapil Mishra

First extract the red, green and blue components and then calculate NPCR and UACI values for each of them. There would be 3 different NPCR and UACI values for an RGB image, each for red, green and blue component..

Shafali Agarwal

A sample Matlab code to calculate NPCR and UACI can be found on the link-

http://www.shafaliagarwal.com/npcr-and-uaci-of-image-matlab-code/

Please click on the given link to see the code:

http://www.codetoship.com/npcr-and-uaci-of-image-matlab-code/