RE: [WM]: BOWS CONTEST

["mohammad awrangjeb bin nurul alam" <awrangjeb@hotmail.com>]

Dear Mauro Barni,
Files given on the website are in .raw format. I am unable to open these images. Could you please tell me how to open/create files
of this format or could you provide them in any other image format, say .bmp?

Sincerely Yours
-awrangjeb



>From: Mauro Barni <barni@dii.unisi.it>
>Reply-To: barni@dii.unisi.it
>To: <watermarking@watermarkingworld.org>
>Subject: [WM]: BOWS CONTEST
>Date: Thu, 15 Dec 2005 09:42:27 +0100
>
>Dear watermarker, watermark-breakers, pirates and hackers,
>
>this e-mail is to announce the opening of the BOWS contest.
>As the acronym says (BOWS = Break Our Watermarking System), the 
>contest, that is organised within the framework of the Ecrypt project 
>(http://www.ecrypt.eu.org/), is a contest among watermark-breakers that 
>are required to remove the watermark from three images available on the 
>interent.
>
>Specifically, three different generic images watermarked with a system 
>unknown to the contenders, are made available for download on the 
>"BOWS" web-site. Then, contenders can try to erase the watermark from 
>all the three images by using any action they want while granting a 
>minimum PSNR (Peak-Signal-to-Noise-Ratio) of 30 dB between the 
>watermarked image and the attacked one. To verify their action, 
>attackers can upload the attacked images (in raw format and size
>512x512) on the BOWS web-site through an ad-hoc interface and ask to 
>run the detection process; finally they obtain as answer the result of 
>the detection and the PSNR achieved. The attacker who will be able to 
>remove the watermark from all the three images with the highest (on the 
>average) PSNR will win the contest and receive a prize (300 $ plus a 
>digital photocamera).
>The Contest will start on December 15, 2005, and will end on March 15, 
>2006.
>Everyone, but the staff involved in the contest set-up, can take part 
>to BOWS.
>
>Note that BOWS is NOT intended as an attempt to prove how 
>well-performing the watermarking system is (we really expect that many 
>contenders will manage to break - or to better say, to BOWS the 
>watermark), we just want to better understand which are the disparate 
>attacks, perhaps unknown at the moment, that BOWS participants will 
>carry out to win the contest.
>
>More information can be obtained by consulting the web site of the contest:
>http://lci.det.unifi.it/BOWS
>
>While inviting all of you to take part in the contest, I wish you a 
>succesfull game ....
>
>Best,
>
>Mauro Barni
>
>--
>
>Prof. Mauro Barni
>Dipartimento di Ingegneria dell'Informazione Universita' di Siena Via 
>Roma 56, 53100 Siena - Italy
>
>e-mail: barni@dii.unisi.it
>phone: +39 0577 234621
>fax:   +39 0577 233602
>


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