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ATHIRA


Active since 2014

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Can anyone name the encryption algorithm which i have attached here.From where can i get the references for this algorithm?
Can anyone name the encryption algorithm which i have attached here.From where can i get the references for this algorithm?

meer dan 10 jaar ago | 1 answer | 0

1

answer

Question


I want to encrypt and decrypt an image after data embedding.Please help me with a matlab code for image encryption and decryption?
I want to encrypt and decrypt an image after data embedding.Please help me with a matlab code for image encryption and decryptio...

meer dan 10 jaar ago | 1 answer | 0

1

answer

Question


I have divide an image into left half and right half.i want to combine this left half and right half into a single original image. Please help me to write the code
I have divide an image into left half and right half.i want to combine this left half and right half into a single original imag...

meer dan 10 jaar ago | 1 answer | 0

1

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How the difference(difference of adjacent pixel values) histogram of an image can be plot ?I want to generate a difference image and histogram of thedifference image.I have write a code,but getting an error.Please help.
clc; clear all; close all hidden; [file,path]=uigetfile('*.bmp;*.jpg','Pick an Image File'); if isequal(file,0)...

meer dan 10 jaar ago | 1 answer | 0

1

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Question


How the Peak value of the image histogram can be obtaind?
How the Peak value of the image histogram can be obtaind?

meer dan 10 jaar ago | 1 answer | 0

1

answer

Question


How the embedding capacity can be calculated in bpp for a watremarked image?
How the embedding capacity can be calculated in bpp for a watremarked image?

meer dan 10 jaar ago | 0 answers | 0

0

answers

Question


I want to plot psnr curve versus embedding capacity in bpp.I have the original image and watermarked image with me.I have to plot the curves if different images.Can any one help me?
I want to plot psnr curve versus embedding capacity in bpp.I have the original image and watermarked image with me.I have to plo...

meer dan 10 jaar ago | 1 answer | 0

1

answer

Question


how can i vary the psnr value with bpp?
how can i vary the psnr value with bpp?

meer dan 10 jaar ago | 1 answer | 0

1

answer

Question


Can any one mail me the code for plotting psnr versus bpp?
how to plot psnr (peal signal to noise ratio ) versus bpp(bits per pixels)

meer dan 10 jaar ago | 2 answers | 0

2

answers