cipher in iamge using matlab code

2015 4 4
1 个回答
更新时间：2015 4 4
8 次查看（30 天）

0 个投票

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 >>>

请先登录，再回答此问题。

回答（1 个）

Geoff Hayes
Geoff Hayes 2015-4-4

0 个投票

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.

2 个评论
显示 无 隐藏 无

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
Image Analyst
Image Analyst 2015-4-4
binaryString = dec2bin(yourImage(row, column))

请先登录，再进行评论。

类别

在 帮助中心 和 File Exchange 中查找有关 Encryption / Cryptography 的更多信息

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by