Re: [WM]: Why do watermarking algorithms develop in image than in audio?

[Andrew Mason <andrew.mason@rd.bbc.co.uk>]

On Wed, Mar 14, 2007 at 04:49:02AM -0700, Le Thi Hoang Ngan wrote:
> Hi all,
> I have some wonders in watermarking field:
> 
> 1. why do watermarking algorithms develop in image than  in audio?


Lots of people think that video is more valuable than audio.  When you consider that silent movies are a thing of the past, and that
radio continues to flourish, you might question their wisdom!

> 2. How can I measure (evaluate) the effect of watermarking algorithm 
> (in image and audio). If you can, share me your documents.

Please take a look at these documents.

	http://www.bbc.co.uk/rd/pubs/papers/pdffiles/ibc00ajm.pdf
	http://www.bbc.co.uk/rd/pubs/whp/whp009.html
	http://www.bbc.co.uk/rd/pubs/reports/1971-01.pdf
	http://www.ebu.ch/trev_286-cheveau.pdf   
	http://www.ebu.ch/trev_282-barda.pdf
	http://www.ebu.ch/trev_281-barda.pdf 
	http://www.bbc.co.uk/rd/pubs/whp/whp-pdf-files/WHP078.pdf
	http://www.bbc.co.uk/rd/pubs/whp/whp-pdf-files/WHP081.pdf
	http://www.bbc.co.uk/rd/pubs/whp/whp-pdf-files/WHP101.pdf


> 3. How is the watemarking applied in the practice?
> Tell me more applications besides authentication, secret information 
> communication.

The interest of broadcasters and rights owners has focussed on copyright protection and usage monitoring.  You will find some more
discussion of this in the documents referred to above.


Yours faithfully,

Andrew Mason

--
Andrew Mason
BBC, UK


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