[WM]: RE:

["Zou Dekun" <dekun.zou@Thomson.net>]

Hi, Siamak,

Those algorithms you cited are all lossless data hiding algorithm. If this is not your requirement in your application, you can
achieve higher hiding capacity/PSNR by simply using LSB data hiding. 

Best regards,
Dekun Zou

-----Original Message-----
From: alias@phoebe.hosting4u.net [mailto:alias@phoebe.hosting4u.net] 
Sent: Monday, August 28, 2006 9:11 AM
Subject: 

Mon, 28 Aug 2006 00:39:01 PDT
Date: Mon, 28 Aug 2006 00:39:01 -0700 (PDT)
From: Siamak Yousefi <syousefy@yahoo.com>
Subject: [WM]: Data Hiding Algorithm
To: <watermarking@watermarkingworld.org>
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Dear watermarking group members,
  =20
  As I checked the data hiding literature, I found out that the = following 3 data hiding algorithms are the best among others
regarding = = more payload capacity at a fixed PSNR. The last paper proposed by Shi is = the best. =20
  =20
  1. M. Goljan, J. Fridrich and R. Du, = =C3=A2=E2=82=AC=C5=93Distortion-free data embedding, " = Proceedings of =
4=C3=A2=E2=82=AC=C5=93Information Hiding Workshop, PP. = 27-41, = Pittsburgh, PA, April 2001.
  =20
  2. J. Tian, "Reversible data embedding using a difference expansion,"
=
IEEE Transaction on Circuits and Systems for Video Technology, vol. 13, = no. 8, pp.
587=C3=A2=E2=82=AC=E2=80=9C589, August 2003.
  =20
  3. Guorong Xuan, Yun Q. Shi, Chengyun Yang, Yizhan Zheng, Dekun Zou, = = Peiqi Chai, =C3=A2=E2=82=AC=C5=93Lossless
Data Hiding = Using Integer = Wavelet Transform and Threshold Embedding Technique", in IEEE = International Conference on
Multimedia and Expo, Amsterdam, Netherlands, = July 2005.
  =20
  I'd like to know, has any other data hiding algorithm proposed = recently that act better than the Shi algorithm?
  I designed an algorithm that acts better than Shi algorithm and I'd = = like to compare mine with any better algorithm.
  Any help in this regard is appreciated.
  =20
  With Best Regards,
  Siamak Yousefi



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