Watermarking...

2010-04-20 Thread Massimiliano Pala
Hi all, I was wondering if any of you have some pointers on the security of watermarking. In particular I am interested in public-key or asymmetric watermarking algorithms. Also, do you know of any free-to-use (opensource/etc.) implementation that can be used for research-test purposes

Re: Watermarking...

2010-04-20 Thread Alfonso De Gregorio
On Tue, Apr 20, 2010 at 12:29 AM, Massimiliano Pala p...@cs.dartmouth.edu wrote: Hi all, I was wondering if any of you have some pointers on the security of watermarking. In particular I am interested in public-key or asymmetric watermarking algorithms. Ciao Massimiliano, You might

Re: Watermarking...

2010-04-20 Thread Massimiliano Pala
Harris wrote: What are your threat model and goals for the watermarking? Some watermarks -- like the photographer's copyright notice across a web picture -- are designed to be extremely visible. The whole idea is that if anyone steals the photo, everyone will know. For other threats, you might

Re: Watermarking...

2010-04-20 Thread Dirk-Willem van Gulik
On 19 Apr 2010, at 23:29, Massimiliano Pala wrote: Hi all, I was wondering if any of you have some pointers on the security of watermarking. In particular I am interested in public-key or asymmetric watermarking algorithms. Also, do you know of any free-to-use (opensource/etc