BR0210375A - equipamento e método para realizar marca de água em uma imagem digital - Google Patents
equipamento e método para realizar marca de água em uma imagem digitalInfo
- Publication number
- BR0210375A BR0210375A BRPI0210375-3A BR0210375A BR0210375A BR 0210375 A BR0210375 A BR 0210375A BR 0210375 A BR0210375 A BR 0210375A BR 0210375 A BR0210375 A BR 0210375A
- Authority
- BR
- Brazil
- Prior art keywords
- data
- watermark
- moving image
- watermarking
- equipment
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/0021—Image watermarking
- G06T1/005—Robust watermarking, e.g. average attack or collusion attack resistant
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/835—Generation of protective data, e.g. certificates
- H04N21/8358—Generation of protective data, e.g. certificates involving watermark
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/0021—Image watermarking
- G06T1/0085—Time domain based watermarking, e.g. watermarks spread over several images
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2201/00—General purpose image data processing
- G06T2201/005—Image watermarking
- G06T2201/0052—Embedding of the watermark in the frequency domain
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Editing Of Facsimile Originals (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Television Systems (AREA)
- Image Processing (AREA)
- Manufacturing Of Printed Circuit Boards (AREA)
- Manufacturing Optical Record Carriers (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
" EQUIPAMENTO E MéTODO PARA REALIZAR MARCA DE áGUA EM UMA IMAGEM DIGITAL ".Um equipamento para adicionar uma marca d'água a uma imagem em movimento enquanto a mesma é exibida compreende um gerador de marca d'água no qual os dados que representam uma marca d'água são gerados . A marca d'agua contém pelo menos um dentre dados de local e dados de hora pertencentes à exibição da imagem em movimento. Os dados de local e hora são protegidos por codificação antecipada de erro. A marca d'água também contém pelo menos um dentre de dados de programa que indentificam a imagem em movimento e dados de quadro singulares em endentificar cada quadro da imagem em movimento. Os dados de programas e hora são protegidos por embaralhamento. Um aplicador de marca d'água aplica os dados de marca d'água aos dados de imagem representando substancialmente todas as imagens em movimento dependendo de uma característica, tal como amplitude, dos dados.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/881,017 US6996248B2 (en) | 2001-06-13 | 2001-06-13 | Apparatus and method for watermarking a digital image |
PCT/US2002/018960 WO2002101648A2 (en) | 2001-06-13 | 2002-06-13 | Apparatus and method for watermarking a digital image |
Publications (2)
Publication Number | Publication Date |
---|---|
BR0210375A true BR0210375A (pt) | 2008-08-05 |
BRPI0210375B1 BRPI0210375B1 (pt) | 2015-07-28 |
Family
ID=25377605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0210375-3A BRPI0210375B1 (pt) | 2001-06-13 | 2002-06-13 | Equipamento e método para realizar marca de água em uma imagem digital |
Country Status (14)
Country | Link |
---|---|
US (2) | US6996248B2 (pt) |
EP (2) | EP1395950B1 (pt) |
JP (1) | JP4298499B2 (pt) |
KR (1) | KR100881038B1 (pt) |
CN (1) | CN100395774C (pt) |
AT (1) | ATE414959T1 (pt) |
BR (1) | BRPI0210375B1 (pt) |
CA (2) | CA2450463C (pt) |
DE (1) | DE60229936D1 (pt) |
ES (1) | ES2315373T3 (pt) |
HK (1) | HK1076181A1 (pt) |
IL (2) | IL159298A0 (pt) |
MX (1) | MXPA03011560A (pt) |
WO (1) | WO2002101648A2 (pt) |
Families Citing this family (87)
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-
2001
- 2001-06-13 US US09/881,017 patent/US6996248B2/en not_active Expired - Lifetime
-
2002
- 2002-06-13 MX MXPA03011560A patent/MXPA03011560A/es active IP Right Grant
- 2002-06-13 WO PCT/US2002/018960 patent/WO2002101648A2/en active Application Filing
- 2002-06-13 BR BRPI0210375-3A patent/BRPI0210375B1/pt not_active IP Right Cessation
- 2002-06-13 IL IL15929802A patent/IL159298A0/xx unknown
- 2002-06-13 CN CNB028156641A patent/CN100395774C/zh not_active Expired - Fee Related
- 2002-06-13 EP EP02749590A patent/EP1395950B1/en not_active Expired - Lifetime
- 2002-06-13 EP EP08169075A patent/EP2028617A3/en not_active Withdrawn
- 2002-06-13 KR KR1020037016375A patent/KR100881038B1/ko not_active IP Right Cessation
- 2002-06-13 ES ES02749590T patent/ES2315373T3/es not_active Expired - Lifetime
- 2002-06-13 JP JP2003504328A patent/JP4298499B2/ja not_active Expired - Fee Related
- 2002-06-13 CA CA2450463A patent/CA2450463C/en not_active Expired - Fee Related
- 2002-06-13 AT AT02749590T patent/ATE414959T1/de not_active IP Right Cessation
- 2002-06-13 DE DE60229936T patent/DE60229936D1/de not_active Expired - Lifetime
- 2002-06-13 CA CA2637242A patent/CA2637242C/en not_active Expired - Fee Related
-
2003
- 2003-12-10 IL IL159298A patent/IL159298A/en not_active IP Right Cessation
-
2005
- 2005-09-15 HK HK05108063.0A patent/HK1076181A1/xx not_active IP Right Cessation
-
2006
- 2006-01-27 US US11/341,098 patent/US7376243B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR20040007719A (ko) | 2004-01-24 |
IL159298A (en) | 2009-09-22 |
JP2005518683A (ja) | 2005-06-23 |
JP4298499B2 (ja) | 2009-07-22 |
EP1395950A2 (en) | 2004-03-10 |
CA2450463C (en) | 2010-06-22 |
BRPI0210375B1 (pt) | 2015-07-28 |
EP2028617A3 (en) | 2009-12-09 |
CA2637242C (en) | 2014-01-28 |
US20020191810A1 (en) | 2002-12-19 |
US20060120562A1 (en) | 2006-06-08 |
CA2637242A1 (en) | 2002-12-19 |
CN1630884A (zh) | 2005-06-22 |
ES2315373T3 (es) | 2009-04-01 |
WO2002101648A2 (en) | 2002-12-19 |
EP1395950B1 (en) | 2008-11-19 |
KR100881038B1 (ko) | 2009-02-05 |
ATE414959T1 (de) | 2008-12-15 |
CA2450463A1 (en) | 2002-12-19 |
US7376243B2 (en) | 2008-05-20 |
CN100395774C (zh) | 2008-06-18 |
IL159298A0 (en) | 2004-06-01 |
HK1076181A1 (en) | 2006-01-06 |
DE60229936D1 (de) | 2009-01-02 |
MXPA03011560A (es) | 2004-03-26 |
EP2028617A2 (en) | 2009-02-25 |
US6996248B2 (en) | 2006-02-07 |
WO2002101648A3 (en) | 2003-08-14 |
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