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Recovering data hidden in an image

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4.8 | 4 ratings Rate this file 24 Downloads (last 30 days) File Size: 1.39 KB File ID: #14312

Recovering data hidden in an image

by Nithya V S

 

17 Mar 2007 (Updated 18 Apr 2007)

Recovers the text embedded using 'embedbp' in the Bth bit-plane of the input image, given the length

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Description

RECOVERBP Recovers the text embedded in the Bth bit-plane of the image

RECTXT = RECOVERBP(I,SIZ,B) returns the text string of length SIZ embedded in the Bth bit-plane of the image I. If B is not specified, it is taken as 1.

See also EMBEDBP
MATLAB release MATLAB 7.0.1 (R14SP1)
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application, data hiding(2), image processing, watermarking
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Comments and Ratings (6)
27 Dec 2012 GAO  
30 Jun 2012 strek  
28 Jun 2010 John Griesham

Hiee,

I have written a similar code for encoding data ...I'm not able to retrieve the same text while recovering, please help me out in d recovery of text from LSB. Actually while encoding I'm converting it to Double and then saving at the LSB of the image. so while retrieving I'm not getting the same text/ASCII value.

Thanks in Advance
Thomas
sachintendulkar199@gmail.com
14 Feb 2009 Tesa Lonica Gaygon

how to run this file

16 Apr 2008 tohid mohammadian

salam
22 Apr 2007 Navas K A

Very compact program, very useful
Updates
26 Mar 2007

Change of title
18 Apr 2007

Including an error condition and improving the speed
18 Apr 2007

Removing unwanted comments

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