BR9904848A - Processos e arranjos para inserir e para detetar dados auxiliares em um sinal de informação, dispositivo para gravar e/ou reproduzir um sinal de informação, sinal de informação com dados auxiliares na forma de uma marca d'água inserida, e, meio de armazenamento - Google Patents
Processos e arranjos para inserir e para detetar dados auxiliares em um sinal de informação, dispositivo para gravar e/ou reproduzir um sinal de informação, sinal de informação com dados auxiliares na forma de uma marca d'água inserida, e, meio de armazenamentoInfo
- Publication number
- BR9904848A BR9904848A BR9904848-5A BR9904848A BR9904848A BR 9904848 A BR9904848 A BR 9904848A BR 9904848 A BR9904848 A BR 9904848A BR 9904848 A BR9904848 A BR 9904848A
- Authority
- BR
- Brazil
- Prior art keywords
- information signal
- auxiliary data
- arrangements
- recording
- reproducing
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
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
- G06T1/0071—Robust watermarking, e.g. average attack or collusion attack resistant using multiple or alternating watermarks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/28—Arrangements for simultaneous broadcast of plural pieces of information
- H04H20/30—Arrangements for simultaneous broadcast of plural pieces of information by a single channel
- H04H20/31—Arrangements for simultaneous broadcast of plural pieces of information by a single channel using in-band signals, e.g. subsonic or cue signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H2201/00—Aspects of broadcast communication
- H04H2201/50—Aspects of broadcast communication characterised by the use of watermarks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
- H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
- H04N2005/91335—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a watermark
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Editing Of Facsimile Originals (AREA)
- Image Processing (AREA)
- Television Systems (AREA)
- Burglar Alarm Systems (AREA)
- Holo Graphy (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
- Storage Device Security (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Traffic Control Systems (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Stereo-Broadcasting Methods (AREA)
- Radar Systems Or Details Thereof (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Image Analysis (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
Abstract
"PROCESSOS E ARRANJOS PAPA INSERIR E PARA DETETAR DADOS AUXILIARES EM UM SINAL DE INFORMAçãO, DISPOSITIVO PARA GRAVAR E/OU REPRODUZIR UM SINAL DE INFORMAçãO, SINAL DE INFORMAçãO COM DADOS AUXILIARES NA FORMA DE UMA MARCA D'AGUA INSERIDA, E, MEIO DE ARMAZENAMENTO". Um processo é exposto para inserir dados auxiliares em um sinal. Os dados são codificados na posição relativa ou fase de um ou mais padrões de marca d'água básicos. Isto permite dados de multi-bit serem inseridos usando somente um ou poucos distintos padrões de marca d'água.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98200656 | 1998-03-04 | ||
PCT/IB1999/000348 WO1999045705A2 (en) | 1998-03-04 | 1999-03-02 | Embedding auxiliary data in a signal |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9904848A true BR9904848A (pt) | 2004-08-31 |
Family
ID=8233435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9904848-5A BR9904848A (pt) | 1998-03-04 | 1999-03-02 | Processos e arranjos para inserir e para detetar dados auxiliares em um sinal de informação, dispositivo para gravar e/ou reproduzir um sinal de informação, sinal de informação com dados auxiliares na forma de uma marca d'água inserida, e, meio de armazenamento |
Country Status (14)
Country | Link |
---|---|
US (6) | US6971011B1 (pt) |
EP (4) | EP0981900A2 (pt) |
JP (4) | JP2001525151A (pt) |
KR (4) | KR20010012214A (pt) |
CN (4) | CN1153456C (pt) |
AT (3) | ATE381209T1 (pt) |
AU (1) | AU2437499A (pt) |
BR (1) | BR9904848A (pt) |
DE (3) | DE69938278T2 (pt) |
ES (1) | ES2297919T3 (pt) |
ID (1) | ID23884A (pt) |
PL (2) | PL336845A1 (pt) |
RU (2) | RU2222114C2 (pt) |
WO (4) | WO1999045704A2 (pt) |
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