[WM]: Discussion on Printed Paper watermarking

[khaled Mahmoud <kwkmmsy@yahoo.com>]

Dear all,
If there is many of techniques to watermark paper using physical material such as holograms,.... and they are still exist in the
paper even if the paper is damaged, why we try to find watermarking algorithm using digital techniques..even most of theses are week
after print scan....I would like to know your opinion about the importance of digital watermarking for print security over the
physical methods. 
Please reply to the the watermark group so we can listen to all opinion thanks


Khaled Walid Mahmoud
ZPU University
P.O.Box 2000
Zarka - 13110
Jordan
Email 
        (work): k.w.mahmoud@zpu.edu.jo
        (Home):kwkmmsy@yahoo.com


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