KR100594954B1 - 콘텐트 정보와 이와 관련된 추가 정보를 전송하는 시스템 - Google Patents
콘텐트 정보와 이와 관련된 추가 정보를 전송하는 시스템 Download PDFInfo
- Publication number
- KR100594954B1 KR100594954B1 KR1019997003602A KR19997003602A KR100594954B1 KR 100594954 B1 KR100594954 B1 KR 100594954B1 KR 1019997003602 A KR1019997003602 A KR 1019997003602A KR 19997003602 A KR19997003602 A KR 19997003602A KR 100594954 B1 KR100594954 B1 KR 100594954B1
- Authority
- KR
- South Korea
- Prior art keywords
- watermark
- decoder
- information
- content
- playback
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/46—Embedding additional information in the video signal during the compression process
- H04N19/467—Embedding additional information in the video signal during the compression process characterised by the embedded information being invisible, e.g. watermarking
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- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2389—Multiplex stream processing, e.g. multiplex stream encrypting
- H04N21/23892—Multiplex stream processing, e.g. multiplex stream encrypting involving embedding information at multiplex stream level, e.g. embedding a watermark at packet level
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- 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
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/24—Systems for the transmission of television signals using pulse code modulation
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
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- 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
- H04N2005/91328—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 copy management signal, e.g. a copy generation management signal [CGMS]
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- 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
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- 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
- H04N2005/91342—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being an authentication 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
- H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
- H04N2005/91364—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video signal being scrambled
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Television Signal Processing For Recording (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Editing Of Facsimile Originals (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
Description
Claims (13)
- 인코드된 콘텐트 정보와 추가 정보를 전송신호를 통하여 수신하는 장치로서, 상기 콘텐트 정보가 상기 추가정보를 적어도 일부 표시하는 워터마크를 가지며, 상기 장치가 상기 전송신호를 수신하는 수신장치와, 상기 워터마크에 의존하여 워터마크 정보를 검출하는 검출기와, 상기 콘텐트 정보를 디코딩하기 위해 상기 수신장치의 출력에 결합되어 있는 디코더를 구비하고,상기 수신장치가 상기 추가정보 및 워터마크에 따라서 상기 추가정보의 재생을 제어하는 제어수단을 구비하는 장치에 있어서,상기 장치가, 상기 수신장치와는 별도로 구성되고, 상기 디코더 및 상기 디코더에 의해 수행되는 상기 콘텐트 정보의 디코딩을 이용하여 상기 워터마크를 검출하는 검출기를 구비하는 디코더 장치를 포함하고,상기 수신장치 및 디코더 장치를 접속하여 상기 워터마크 정보가 상기 검출기로부터 상기 제어수단으로 전송될 수 있도록 하는 링크수단을 더욱 포함하는 것을 특징으로 하는 장치.
- 삭제
- 제 1 항에 있어서,상기 제어수단은 출력을 인에이블하는 출력 제어 스위치를 구비한 것을 특징으로 하는 장치.
- 제 1 항 또는 제 3 항에 있어서,상기 수신장치는 기록매체로부터 전송신호를 검색하는 판독수단을 구비한 것을 특징으로 하는 장치.
- 제 4 항에 있어서,상기 판독수단은 기록매체 상의 물리적인 마크를 검출하도록 구성되고, 이 물리적인 마크는 기록매체의 출처를 나타내는 것을 특징으로 하는 장치.
- 제 1 항 또는 제 3 항에 있어서,상기 수신장치는 제어신호를 수신하는 수단을 구비하고, 이 제어신호는 추가 정보를 적어도 부분적으로 표시하며, 상기 제어수단은 상기 제어신호와 워터마크 정보 사이의 관계를 검증하도록 구성된 것을 특징으로 하는 장치.
- 제 1 항 또는 제 3 항에 있어서,상기 수신장치는 콘텐트 정보를 기록매체에 기록하는 기록수단을 구비하고, 상기 제어수단은 추가 정보에 의존하여 기록을 제어하도록 구성된 것을 특징으로 하는 장치.
- 제 1 항 또는 제 3 항에 있어서,상기 수신장치는 기록매체 상의 콘텐트 정보의 존재를 검출하는 수단을 구비한 것을 특징으로 하는 장치.
- 삭제
- 제 1 항에 있어서,상기 디코더는 비디오 콘텐트 정보를 디코드하여 픽셀 영역의 워터마크를 검출하도록 구성된 것을 특징으로 하는 장치.
- 제 1 항에 있어서,상기 디코더는 상기 링크수단을 통해 상기 수신장치의 제어수단에 의해 제어될 수 있는 출력 인에이블 수단을 구비한 것을 특징으로 하는 장치.
- 제 1 항에 있어서,상기 링크수단은 상기 통신을 부정변조로부터 보호하는 수단을 구비한 것을 특징으로 하는 장치.
- 제 12 항에 있어서,상기 통신을 보호하는 수단은, 암호 또는 암호해제, 또는 인증, 또는 난수 교환, 또는 디지탈 서명을 제공하거나 검증하는 수단을 구비한 것을 특징으로 하는 장치.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP97202612 | 1997-08-26 | ||
| EP97202612.4 | 1997-08-26 | ||
| PCT/IB1998/001264 WO1999011064A2 (en) | 1997-08-26 | 1998-08-18 | System for transferring content information and supplemental information relating thereto |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20000068832A KR20000068832A (ko) | 2000-11-25 |
| KR100594954B1 true KR100594954B1 (ko) | 2006-07-03 |
Family
ID=8228672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019997003602A Expired - Fee Related KR100594954B1 (ko) | 1997-08-26 | 1998-08-18 | 콘텐트 정보와 이와 관련된 추가 정보를 전송하는 시스템 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6314518B1 (ko) |
| EP (1) | EP0934656B1 (ko) |
| JP (1) | JP3794646B2 (ko) |
| KR (1) | KR100594954B1 (ko) |
| DE (1) | DE69830784T2 (ko) |
| WO (1) | WO1999011064A2 (ko) |
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| ID20307A (id) * | 1997-01-27 | 1998-11-26 | Koninkl Philips Electronics Nv | Data pelengkap yang melekat pada sinyal pemberian kode |
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- 1998-08-18 EP EP98936617A patent/EP0934656B1/en not_active Expired - Lifetime
- 1998-08-18 KR KR1019997003602A patent/KR100594954B1/ko not_active Expired - Fee Related
- 1998-08-18 DE DE69830784T patent/DE69830784T2/de not_active Expired - Fee Related
- 1998-08-18 JP JP51411199A patent/JP3794646B2/ja not_active Expired - Fee Related
- 1998-08-26 US US09/140,814 patent/US6314518B1/en not_active Expired - Fee Related
Also Published As
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|---|---|
| KR20000068832A (ko) | 2000-11-25 |
| JP3794646B2 (ja) | 2006-07-05 |
| DE69830784T2 (de) | 2006-05-18 |
| JP2001505036A (ja) | 2001-04-10 |
| US6314518B1 (en) | 2001-11-06 |
| WO1999011064A2 (en) | 1999-03-04 |
| EP0934656B1 (en) | 2005-07-06 |
| EP0934656A2 (en) | 1999-08-11 |
| WO1999011064A3 (en) | 1999-06-10 |
| DE69830784D1 (de) | 2005-08-11 |
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