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Re: [WM]: Barni paper
Hello Michael
I have implemented that bit in my algorithm. You can go thru my paper:
V. Potdar, S. Han, E. Chang, "Self Image Logo Embedding: A Robust Watermarking Algorithm in the Wavelet Domain"
Its available on my website http://www.fit.cbs.curtin.edu.au/~potdarv/
If you need the source code its available in Matlab I hope this is helpful If you have any further queries feel free to ask me
Regards
POTDAR Vidyasagar M.
Doctoral Researcher and Associate Lecturer @ Curtin University of Technology Address 214 Hill View Terrace, Bentley, Perth 6102
Mobile (+61) 04 2124 7048
Office (+61) 08 9266 3171 or 1057
Web http://www.ceebi.research.cbs.curtin.edu.au/~potdarv
WINNER's don't do different things
They do things DIFFERENTLY
>>> "Water Mark" <watermarking24@hotmail.com> 01/06/06 6:30 PM >>>
Hi all,
I have been looking at a paper by Barni et al. "Improved Wavelet-Based Watermarking Through Pixel-Wise Masking". I have a query
about how to determine the threshold. They come up with a formula for the Pf which is given aas a function of erfc (complementary
error function). The authors put a constraint on Pf such that it is less than 10 to the power of -8. They end up with a value of
3.97 in the calculation of the threshold value and I was just wondering if anyone could explain how they go from one equation to the
other.
Regards,
Michael
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