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Peter Eze


Last seen: 4 years ago Active since 2016

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Answered
how to get relative entropy thresholding for an image ?
Rentropy= sum(sum(X.*log(X./Y))); X and Y are either distributions or vector data from a distribution.

6 years ago | 0

Answered
Is there any reliable file/function to compute relative entropy?
Can we start with the formular of relative entropy you wish to compute?

6 years ago | 0

Answered
DWT based Watermarking
Explain your methodology or post sample codes

7 years ago | 0

Question


How to extract watermark using Correlation for Spread Spectrum Watermarking
% Genereate Spreading Sequence of 32-bit length lengthofcode = 32; goldcode=goldcodegenerator( lengthofcode);% GenerateSpread...

7 years ago | 0 answers | 0

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Answered
Stegnaography using DCT
use *transpose(dec2bin(ImageMessage(i,j)))* to create the binary string for each pixel of the message to be embedded

8 years ago | 0