JP4771436B2 - フィルム・フィンガプリンティング - Google Patents
フィルム・フィンガプリンティング Download PDFInfo
- Publication number
- JP4771436B2 JP4771436B2 JP2007510669A JP2007510669A JP4771436B2 JP 4771436 B2 JP4771436 B2 JP 4771436B2 JP 2007510669 A JP2007510669 A JP 2007510669A JP 2007510669 A JP2007510669 A JP 2007510669A JP 4771436 B2 JP4771436 B2 JP 4771436B2
- Authority
- JP
- Japan
- Prior art keywords
- bit
- frame
- film
- complement
- serial number
- Prior art date
- 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
-
- 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
-
- 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
- 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
-
- 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
-
- 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
- G06T2201/0051—Embedding of the watermark in the spatial domain
-
- 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
- H04N2005/91392—Television signal processing therefor for scrambling ; for copy protection using means for preventing making copies of projected video images
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Projection-Type Copiers In General (AREA)
- Editing Of Facsimile Originals (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Television Signal Processing For Recording (AREA)
- Studio Devices (AREA)
Description
上記に鑑みて、発明者等は、例えば映画のリリース・プリントなどのコンテンツ上に例えばフィンガプリントなどの情報を配置する効率的且つ効果的な技術を実現した。具体的には、本発明の原理によれば、プリント識別子を2進符号化ビット補数シリアル・ナンバーに符号化し、次いでこの2進符号化ビット補数シリアル・ナンバーに従ってこの映画のフレームにマーキングすることによって、映画のコピーにマーキングする(印をつける)。
Claims (4)
- 映画のフィルムのコピーに印を埋める方法であって、
前記フィルムのコピーの識別子を形成するための基本情報である2進符号化ビット列と該ビット列の補数を生成するステップと、
該2進符号化ビット列及びその補数列の各ビットの情報が印として埋め込まれるフレーム番号列であって、前記識別子と関連付けられている前記フレーム番号列を生成するステップと、
前記2進符号化ビット列及びその補数列の各ビットの値に応じて、前記フレーム番号列で指定されたフレームに印を埋めるステップ、
と、を含む、前記方法。 - 前記印を埋めるステップは、さらに、
前記2進符号化ビット列及びその補数列の各ビットの値が、所定の値のときに、所定の印を前記フレーム番号列で指定されたフレームに付け、前記2進符号化ビット列及びその補数列の各ビットの値が、他の値のときに、所定の印を前記フレーム番号列で指定されたフレームに付けないステップを含む、請求項1記載の方法。 - 映画のフィルムのコピーに印を埋め込むのに使用される装置であって、
前記フィルムのコピーの識別子を形成するための基本情報である2進符号化ビット列と該ビット列の補数を生成する手段と、
該2進符号化ビット列及びその補数列の各ビットの情報が印として埋め込まれるフレーム番号列であって、前記識別子と関連付けられている前記フレーム番号列を生成する手段と、
前記2進符号化ビット列及びその補数列の各ビットの値に応じて、前記フレーム番号列で指定されたフレームに印を埋める手段と、
を含む、前記装置。 - 前記印を埋める手段は、さらに、
前記2進符号化ビット列及びその補数列の各ビットの値が、所定の値のときに、所定の印を前記フレーム番号列で指定されたフレームに付け、前記2進符号化ビット列及びその補数列の各ビットの値が、他の値のときに、所定の印を前記フレーム番号列で指定されたフレームに付けない手段を含む、請求項3記載の装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2004/012876 WO2005114569A1 (en) | 2004-04-27 | 2004-04-27 | Film fingerprinting |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007538420A JP2007538420A (ja) | 2007-12-27 |
JP4771436B2 true JP4771436B2 (ja) | 2011-09-14 |
Family
ID=34957525
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007510669A Expired - Fee Related JP4771436B2 (ja) | 2004-04-27 | 2004-04-27 | フィルム・フィンガプリンティング |
Country Status (8)
Country | Link |
---|---|
US (1) | US7979710B2 (ja) |
EP (1) | EP1741056B1 (ja) |
JP (1) | JP4771436B2 (ja) |
CN (1) | CN1942893B (ja) |
CA (1) | CA2562412C (ja) |
DE (1) | DE602004024248D1 (ja) |
ES (1) | ES2333972T3 (ja) |
WO (1) | WO2005114569A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006080922A1 (en) | 2005-01-27 | 2006-08-03 | Thomson Licensing | Film marking detection system |
US8655826B1 (en) | 2008-08-01 | 2014-02-18 | Motion Picture Laboratories, Inc. | Processing and acting on rules for content recognition systems |
US8793498B2 (en) * | 2008-08-11 | 2014-07-29 | Nbcuniversal Media, Llc | System and method for forensic analysis of media works |
US9165274B2 (en) * | 2008-10-29 | 2015-10-20 | Sap Se | RFID-based data reduction system and techniques |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002517111A (ja) * | 1998-05-28 | 2002-06-11 | ソラナ・テクノロジー・ディベロップメント・コーポレイション | 前処理された情報埋め込みシステム |
WO2004030339A2 (en) * | 2002-09-27 | 2004-04-08 | Technicolor, Inc. | Motion picture anti-piracy coding |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5319453A (en) * | 1989-06-22 | 1994-06-07 | Airtrax | Method and apparatus for video signal encoding, decoding and monitoring |
US5450134A (en) * | 1993-01-12 | 1995-09-12 | Visual Automation Systems, Inc. | Video facility management system for encoding and decoding video signals to facilitate identification of the video signals |
US6563936B2 (en) * | 2000-09-07 | 2003-05-13 | Sarnoff Corporation | Spatio-temporal channel for images employing a watermark and its complement |
-
2004
- 2004-04-27 US US11/578,229 patent/US7979710B2/en not_active Expired - Fee Related
- 2004-04-27 ES ES04822023T patent/ES2333972T3/es not_active Expired - Lifetime
- 2004-04-27 DE DE602004024248T patent/DE602004024248D1/de not_active Expired - Lifetime
- 2004-04-27 CN CN2004800428682A patent/CN1942893B/zh not_active Expired - Fee Related
- 2004-04-27 EP EP04822023A patent/EP1741056B1/en not_active Expired - Fee Related
- 2004-04-27 CA CA2562412A patent/CA2562412C/en not_active Expired - Fee Related
- 2004-04-27 WO PCT/US2004/012876 patent/WO2005114569A1/en not_active Application Discontinuation
- 2004-04-27 JP JP2007510669A patent/JP4771436B2/ja not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002517111A (ja) * | 1998-05-28 | 2002-06-11 | ソラナ・テクノロジー・ディベロップメント・コーポレイション | 前処理された情報埋め込みシステム |
WO2004030339A2 (en) * | 2002-09-27 | 2004-04-08 | Technicolor, Inc. | Motion picture anti-piracy coding |
Also Published As
Publication number | Publication date |
---|---|
EP1741056A1 (en) | 2007-01-10 |
CN1942893A (zh) | 2007-04-04 |
CA2562412C (en) | 2013-01-15 |
DE602004024248D1 (de) | 2009-12-31 |
JP2007538420A (ja) | 2007-12-27 |
US7979710B2 (en) | 2011-07-12 |
CN1942893B (zh) | 2010-04-28 |
EP1741056B1 (en) | 2009-11-18 |
US20070229328A1 (en) | 2007-10-04 |
WO2005114569A1 (en) | 2005-12-01 |
CA2562412A1 (en) | 2005-12-01 |
ES2333972T3 (es) | 2010-03-03 |
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