sira

2014 年からアクティブ

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質問

how to perform encryption in images using RSA?
i want to encrypt an image using RSA algorithm.Is it possible?.If so how is it.please anyone help me fast.

12年以上前 | 0 件の回答 | 0

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質問

which version of matlab contains imread2 command?
i want to know which version will support imread2 and what is its difference from normal imread?

12年以上前 | 1 件の回答 | 0

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質問

i have to take a block B1(2x3) in the alpha image corresponding to a block B2 in the binarized image.then select first 2 pixels in B1 in the raster scan order and replace their values with two new values.
this is to embed shares from shamir schemein the alpha channel added image

12年以上前 | 0 件の回答 | 0

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質問

i want to implement shamir secret scheme.i have prime no. as p=17,d,and c1 of secret scheme algorithm.with this how i implement qi=F(xi)=(d+c1xi)mod p for i=1,...,6
shamir scheme is part of my project,from which shares of the binarized image should be produced and embed in the alpha channel

12年以上前 | 1 件の回答 | 0

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質問

i want to divide a grayscale image into 2*3 block and in each individual block i have to perform xor of 3 pixel each and concatenate the two xored value.Can anyone help me please????????????/
i trie with blockproc .but its not correctly processing

12年以上前 | 1 件の回答 | 0

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