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 Title: |
WO0056059A1:
A METHOD AND APPARATUS FOR GENERATING MULTIPLE WATERMARKED COPIES OF AN INFORMATION SIGNAL[French]
[ Derwent Title ]
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Country:
Kind: |
WO World Intellectual Property Organization (WIPO)
A1 INTERNATIONAL APPLICATION PUBLISHED WITH INTERNATIONAL SEARCH REPORT i
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| Inventor: |
CROWCROFT, Jon; 11 Grafton Road, London NW5 3DX, United Kingdom
PERKINS, Colin; Flat 3, 34 Crouch Hall Road, London N8 8HJ, United Kingdom
BROWN, Ian; 98 Holywell Avenue, Whitley Bay, Tyne and Wear NE26 3AF, United Kingdom
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| Assignee: |
UNIVERSITY COLLEGE LONDON, Gower Street, London WC1E 6BT, United Kingdom
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| Published / Filed: |
2000-09-21
/ 2000-03-03
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| Application Number: |
WO2000GB0000767
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| IPC Code: |
Advanced:
G06T 1/00;
G09C 5/00;
H04L 12/18;
H04L 29/06;
H04N 1/32;
H04N 1/387;
H04N 7/08;
H04N 7/081;
Core:
more...
Subclass:
H04N 0;
IPC-7:
H04N 1/32;
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| Priority Number: |
| 1999-03-12 |
GB1999000005777 |
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| Abstract: |
A method and apparatus for watermarking an information signal to generate multiple different watermarked copies of the information signal is disclosed. The information signal is segmented into information segments. The plurality of differently watermarked versions of each information segment is then generated and one of the watermarked versions for each segment is selected for each one of the multiple different copies to be generated to generate a sequence of differently watermarked segments which is different for each copy.
[French]
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| Attorney, Agent or Firm: |
BERESFORD, Keith, Denis, Lewis ;
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| INPADOC Legal Status: |
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| Designated Country: |
AE AL AM AT AU AZ BA BB BG BR BY CA CH CN CR CU CZ DE DK DM EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG US UZ VN YU ZA ZW,
European patent:
AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE,
OAPI patent:
BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG,
ARIPO patent:
GH GM KE LS MW SD SL SZ TZ UG ZW,
Eurasian patent:
AM AZ BY KG KZ MD RU TJ TM
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| Family: |
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First Claim:
Show all claims |
CLAIMS
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Description
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+ A METHOD AND APPARATUS FOR GENERATING MULTIPLE WATERMARKED COPIES OF AN INFORMATION SIGNAL
The present invention generally relates to a method of watermarking an information signal to generate multiple different watermarked copies of the information signal.
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