cipher in iamge using matlab code

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mays afif
mays afif 2015-4-4
评论： Image Analyst 2015-4-4
hi for everyone in this site. pleas i need help in matlab ... i am work to cipher text in matlab using cipher algorithms. but i need to read image and convert it to binary number such as (255 ---- will be 11111111) and so on and when i convert it to binary will be used xor operation with key >>>

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回答（1 个）

Geoff Hayes
Geoff Hayes 2015-4-4
mays - you don't need to convert the image into binary. Just use the MATLAB bit wise operations to manipulate the pixels of the image.
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mays afif
mays afif 2015-4-4
thank you Geoff.... i have key in (binary) and i need cipher image by add image to key by XOR ... i didn't understand your explain... such as i have image (64 x 64 ) as name=A and key = K how can i ciphering image
thank you very much
i'm sorry for bothering

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