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vaishali


Last seen: nästan 3 år ago |  Active since 2014

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checking for robustness of image steganography
Hello.. I have implemented some image steganographic methods. In that I want to do comparative analysis. which are the parame...

nästan 10 år ago | 0 answers | 0

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Question


DWT of an image
Hello Can anyone explain me what is applying DWT on image theoretically mean? what are the things have been done inside that ...

nästan 10 år ago | 0 answers | 0

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answers

Question


uint8 and double in case of image
Hello In one of the image encryption method I need to convert an image from uint8 to double. But after converting the whole...

ungefär 10 år ago | 2 answers | 0

2

answers

Question


image matrix to a row vector
Hello.. I Want to convert an image matrix of size m*n into blocks of row-vectors of 16 byte elements. Using which command ...

ungefär 10 år ago | 1 answer | 0

1

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Question


how to modify the encryption code from text encryption to image encryption?
Hello I have the code for text AES encryption .But how can i modify it for the image encryption? how we can convert the image ...

ungefär 10 år ago | 0 answers | 0

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dct quantisation on image
Hello I am writing code for dct image steganography. There I have divided the cover image into 8*8 block. later I subtracted...

ungefär 10 år ago | 1 answer | 0

1

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Error using round(reshape(message,Mm*Nm,1)./256)
Hello, What may be the problem with the following code line? message=round(reshape(message,Mm*Nm,1)./256); using this I wa...

ungefär 10 år ago | 2 answers | 0

2

answers