[WM]: Log-polar mapping for watermarking

[saba riaz <sabarz148@yahoo.com>]

hi,
   
  I want to know how good is log-polar mapping technqiue in DCT or DWT domain for watermarking.
   
  what are the disadvantages of using this technqiue?
   
  Does any one has a source code in Matlab or any worthy literature related to this algorithm?
   
  Please send that to me 
   
  I shall be grateful!
   
  Thanks,
   
  Saba Riaz



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