[WM]: About SVD-based digital image watermarking

[=3D?gb2312?q?=3DD5=3DC5=3D20=3DD2=3DB6?=3D <jbyenj@yahoo.com.cn>]

Dear all,
  =20
  What do you think of the watermarking algorithm for digital images =
based on
  singular value decomposition?
  =20
  Tan and Liu proposed an SVD-based watermarking algorithm in "An =
SVD-Based Watermarking Scheme for Protecting Rightful Ownership,"
IEEE Trans.
  Multimedia., vol. 4,no. 1,pp.121-128,Mar.2002.
  =20
  But this algorithm is demonstrated fundamentlly flawed by Xiao-Ping =
Zhang and
  Kan Li in ''Comments on 'An SVD-Based Watermarking Scheme for =
Protecting Rightful Ownership' ", IEEE Transactions on Multimedia ,
Vol. 7,No. 2,April ,2005.
  =20
  How to improve the flawed algorithm?
  =20
  Thank you!

 	=09
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<div>Dear all,</div>  <div>&nbsp;</div>  <div>What do you think of the =
watermarking algorithm for digital images based on</div>
<div>singular value decomposition?</div>  <div>&nbsp;</div>  <div>Tan =
and Liu proposed an SVD-based watermarking algorithm in "An
SVD-Based Watermarking Scheme for Protecting Rightful Ownership," IEEE =
Trans.</div>  <div>Multimedia., vol. 4,no.
1,pp.121-128,Mar.2002.</div>  <div>&nbsp;</div>  <div>But this algorithm =
is demonstrated fundamentlly flawed by Xiao-Ping Zhang
and</div>  <div>Kan Li in ''Comments on 'An SVD-Based Watermarking =
Scheme for Protecting Rightful Ownership' ", IEEE Transactions on
Multimedia , Vol. 7,No. 2,April ,2005.</div>  <div>&nbsp;</div>  =
<div>How to improve the flawed algorithm?</div>  <div>&nbsp;</div>
<div>Thank you!</div><p>&#32;
		<hr size=3D1><a href=3D"http://cn.mail.yahoo.com/" target=3Dblank> =
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 </a>
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