Re: [WM]: Embedding domains

[SIAMAK YOUSEFI <syousefy@yahoo.com>]

Hi
As you know, most important attacks on the watermarked images are various filtering and lossy compression.
For a robust watermarking the transform domains such as DCT and DFT are more robust against the mentioned attacks. So for a robust
watermarking these domains are prefered.
regards
yousefi 

--- Water Mark <watermarking24@hotmail.com> wrote:

> Hi all,
>    I was just wondering why so much focus has been placed on the DTC, 
> DFT and DWT domains for watermarking? Do these three domains have 
> certain features over other transform domains for the purpose of 
> watermark embedding? Perhaps it was just people following what other 
> people had done!
> Any help or thoughts on this would be appreciated.
> 
> Michael
> 


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