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vaishali


Last seen: 2 years 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...

9 years 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 ...

9 years 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...

9 years 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 ...

9 years ago | 1 answer | 0

1

answer

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 ...

9 years ago | 0 answers | 0

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Question


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...

9 years 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...

9 years ago | 2 answers | 0

2

answers