DE69714311T2 - Kopiereinschränkungssystem - Google Patents
KopiereinschränkungssystemInfo
- Publication number
- DE69714311T2 DE69714311T2 DE69714311T DE69714311T DE69714311T2 DE 69714311 T2 DE69714311 T2 DE 69714311T2 DE 69714311 T DE69714311 T DE 69714311T DE 69714311 T DE69714311 T DE 69714311T DE 69714311 T2 DE69714311 T2 DE 69714311T2
- Authority
- DE
- Germany
- Prior art keywords
- restriction system
- copy restriction
- copy
- restriction
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00838—Preventing unauthorised reproduction
- H04N1/0084—Determining the necessity for prevention
- H04N1/00843—Determining the necessity for prevention based on recognising a copy prohibited original, e.g. a banknote
- H04N1/00846—Determining the necessity for prevention based on recognising a copy prohibited original, e.g. a banknote based on detection of a dedicated indication, e.g. marks or the like
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00838—Preventing unauthorised reproduction
- H04N1/00856—Preventive measures
- H04N1/00875—Inhibiting reproduction, e.g. by disabling reading or reproduction apparatus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
- H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
- H04N1/32203—Spatial or amplitude domain methods
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
- H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
- H04N1/32203—Spatial or amplitude domain methods
- H04N1/32208—Spatial or amplitude domain methods involving changing the magnitude of selected pixels, e.g. overlay of information or super-imposition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
- H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
- H04N1/32203—Spatial or amplitude domain methods
- H04N1/32251—Spatial or amplitude domain methods in multilevel data, e.g. greyscale or continuous tone data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
- H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
- H04N1/32288—Multiple embedding, e.g. cocktail embedding, or redundant embedding, e.g. repeating the additional information at a plurality of locations in the image
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
- H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
- H04N1/32288—Multiple embedding, e.g. cocktail embedding, or redundant embedding, e.g. repeating the additional information at a plurality of locations in the image
- H04N1/32293—Repeating the additional information in a regular pattern
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
- H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
- H04N1/32309—Methods relating to embedding, encoding, decoding, detection or retrieval operations in colour image data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3204—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to a user, sender, addressee, machine or electronic recording medium
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3225—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document
- H04N2201/3233—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document of authentication information, e.g. digital signature, watermark
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3269—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of machine readable codes or marks, e.g. bar codes or glyphs
- H04N2201/327—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of machine readable codes or marks, e.g. bar codes or glyphs which are undetectable to the naked eye, e.g. embedded codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3271—Printing or stamping
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S283/00—Printed matter
- Y10S283/902—Anti-photocopy
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Editing Of Facsimile Originals (AREA)
- Facsimile Image Signal Circuits (AREA)
- Printing Methods (AREA)
- Cleaning In Electrography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/598,778 US5752152A (en) | 1996-02-08 | 1996-02-08 | Copy restrictive system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69714311D1 DE69714311D1 (de) | 2002-09-05 |
DE69714311T2 true DE69714311T2 (de) | 2003-02-13 |
Family
ID=24396878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69714311T Expired - Fee Related DE69714311T2 (de) | 1996-02-08 | 1997-01-24 | Kopiereinschränkungssystem |
Country Status (4)
Country | Link |
---|---|
US (1) | US5752152A (de) |
EP (1) | EP0789480B1 (de) |
JP (1) | JPH09226228A (de) |
DE (1) | DE69714311T2 (de) |
Families Citing this family (102)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5822436A (en) | 1996-04-25 | 1998-10-13 | Digimarc Corporation | Photographic products and methods employing embedded information |
US6574350B1 (en) | 1995-05-08 | 2003-06-03 | Digimarc Corporation | Digital watermarking employing both frail and robust watermarks |
US6345104B1 (en) * | 1994-03-17 | 2002-02-05 | Digimarc Corporation | Digital watermarks and methods for security documents |
US6681028B2 (en) | 1995-07-27 | 2004-01-20 | Digimarc Corporation | Paper-based control of computer systems |
US5748763A (en) | 1993-11-18 | 1998-05-05 | Digimarc Corporation | Image steganography system featuring perceptually adaptive and globally scalable signal embedding |
US7113615B2 (en) | 1993-11-18 | 2006-09-26 | Digimarc Corporation | Watermark embedder and reader |
US6580819B1 (en) | 1993-11-18 | 2003-06-17 | Digimarc Corporation | Methods of producing security documents having digitally encoded data and documents employing same |
US6549638B2 (en) | 1998-11-03 | 2003-04-15 | Digimarc Corporation | Methods for evidencing illicit use of a computer system or device |
US6449377B1 (en) | 1995-05-08 | 2002-09-10 | Digimarc Corporation | Methods and systems for watermark processing of line art images |
US6522770B1 (en) | 1999-05-19 | 2003-02-18 | Digimarc Corporation | Management of documents and other objects using optical devices |
US6985600B2 (en) | 1994-03-17 | 2006-01-10 | Digimarc Corporation | Printing media and methods employing digital watermarking |
US7778437B2 (en) * | 1994-03-17 | 2010-08-17 | Digimarc Corporation | Media and methods employing steganographic marking |
US6590996B1 (en) | 2000-02-14 | 2003-07-08 | Digimarc Corporation | Color adaptive watermarking |
US6744906B2 (en) | 1995-05-08 | 2004-06-01 | Digimarc Corporation | Methods and systems using multiple watermarks |
US6721440B2 (en) | 1995-05-08 | 2004-04-13 | Digimarc Corporation | Low visibility watermarks using an out-of-phase color |
US6577746B1 (en) | 1999-12-28 | 2003-06-10 | Digimarc Corporation | Watermark-based object linking and embedding |
US6788800B1 (en) | 2000-07-25 | 2004-09-07 | Digimarc Corporation | Authenticating objects using embedded data |
US6829368B2 (en) | 2000-01-26 | 2004-12-07 | Digimarc Corporation | Establishing and interacting with on-line media collections using identifiers in media signals |
US5864742A (en) * | 1997-04-11 | 1999-01-26 | Eastman Kodak Company | Copy restrictive system using microdots to restrict copying of color-reversal documents |
US6001516A (en) * | 1997-06-12 | 1999-12-14 | Eastman Kodak Company | Copy restrictive color-negative photographic print media |
US6320675B1 (en) * | 1997-07-15 | 2001-11-20 | Canon Kabushiki Kaisha | Image processing apparatus and method and storage medium |
US6011857A (en) * | 1997-08-07 | 2000-01-04 | Eastman Kodak Company | Detecting copy restrictive documents |
EP0901282B1 (de) | 1997-09-03 | 2006-06-28 | Hitachi, Ltd. | Verfahren zur Aufnahme und Wiedergabe von Information über elektronische Wasserzeichen |
DE69825388T2 (de) * | 1997-10-23 | 2004-12-16 | Xerox Corp., Rochester | Verfahren zur Einbettung von Signalen in ein Farbbild |
US6104812A (en) * | 1998-01-12 | 2000-08-15 | Juratrade, Limited | Anti-counterfeiting method and apparatus using digital screening |
US6661933B1 (en) * | 1998-01-13 | 2003-12-09 | Matsushita Electric Industrial Co., Ltd. | Apparatus and method for image data processing |
US7054463B2 (en) | 1998-01-20 | 2006-05-30 | Digimarc Corporation | Data encoding using frail watermarks |
NL1008896C2 (nl) * | 1998-03-19 | 2000-05-16 | Oce Tech Bv | Behandeling van beveiligingscodes voor bestanden van digitale beeldgegevens. |
US7075502B1 (en) | 1998-04-10 | 2006-07-11 | E Ink Corporation | Full color reflective display with multichromatic sub-pixels |
CA2330950A1 (en) | 1998-05-12 | 1999-11-18 | E Ink Corporation | Microencapsulated electrophoretic electrostatically-addressed media for drawing device applications |
US6121991A (en) * | 1998-06-23 | 2000-09-19 | Eastman Kodak Company | Forming authenticated images in a receiver |
USD485294S1 (en) | 1998-07-22 | 2004-01-13 | E Ink Corporation | Electrode structure for an electronic display |
US6185313B1 (en) * | 1998-07-30 | 2001-02-06 | Eastman Kodak Company | Method and apparatus for printing copy restrictive documents having individual keycodes |
JP2000056417A (ja) * | 1998-08-03 | 2000-02-25 | Fuji Photo Film Co Ltd | 印画紙製造装置及び印画紙製造方法 |
US6325420B1 (en) | 1998-08-17 | 2001-12-04 | Inspectron Corporation | Method for embedding non-intrusive encoded data in printed matter and system for reading same |
US6136752A (en) * | 1998-10-02 | 2000-10-24 | Eastman Kodak Company | Receiver having authenticating marks |
AU6295899A (en) | 1998-10-07 | 2000-04-26 | E-Ink Corporation | Illumination system for nonemissive electronic displays |
US8290202B2 (en) * | 1998-11-03 | 2012-10-16 | Digimarc Corporation | Methods utilizing steganography |
US6312304B1 (en) | 1998-12-15 | 2001-11-06 | E Ink Corporation | Assembly of microencapsulated electronic displays |
US6506438B2 (en) | 1998-12-15 | 2003-01-14 | E Ink Corporation | Method for printing of transistor arrays on plastic substrates |
US6727953B1 (en) | 1999-03-23 | 2004-04-27 | Eastman Kodak Company | Digital camera including printer for printing on an authenticated receiver |
US6163361A (en) * | 1999-04-23 | 2000-12-19 | Eastman Kodak Company | Digital camera including a printer for receiving a cartridge having security control circuitry |
SE517445C2 (sv) * | 1999-10-01 | 2002-06-04 | Anoto Ab | Positionsbestämning på en yta försedd med ett positionskodningsmönster |
US6608919B1 (en) | 1999-11-10 | 2003-08-19 | Digimarc Corporation | Method and apparatus for encoding paper with information |
US6865284B2 (en) * | 1999-12-20 | 2005-03-08 | Hewlett-Packard Development Company, L.P. | Method and system for processing an electronic version of a hardcopy of a document |
US6711554B1 (en) * | 1999-12-30 | 2004-03-23 | Lee Salzmann | Method and system for managing and preparing documentation for real estate transactions |
JP2001191565A (ja) | 2000-01-07 | 2001-07-17 | Fuji Photo Film Co Ltd | プリント、画像形成方法及び装置、並びに画像読取方法及び装置 |
JP3893829B2 (ja) * | 2000-01-14 | 2007-03-14 | 富士ゼロックス株式会社 | 画像処理装置および画像処理方法ならびに画像形成装置 |
US6647126B1 (en) * | 2000-01-28 | 2003-11-11 | Eastman Kodak Company | Authorizing the production of visual images from digital images |
US6625297B1 (en) | 2000-02-10 | 2003-09-23 | Digimarc Corporation | Self-orienting watermarks |
US6804377B2 (en) | 2000-04-19 | 2004-10-12 | Digimarc Corporation | Detecting information hidden out-of-phase in color channels |
US7089420B1 (en) | 2000-05-24 | 2006-08-08 | Tracer Detection Technology Corp. | Authentication method and system |
US7162035B1 (en) | 2000-05-24 | 2007-01-09 | Tracer Detection Technology Corp. | Authentication method and system |
US6760464B2 (en) | 2000-10-11 | 2004-07-06 | Digimarc Corporation | Halftone watermarking and related applications |
US7246239B2 (en) * | 2001-01-24 | 2007-07-17 | Digimarc Corporation | Digital watermarks for checking authenticity of printed objects |
US6711277B1 (en) * | 2000-10-25 | 2004-03-23 | Eastman Kodak Company | Method of controlling the reproduction of copyrighted images |
US7392392B2 (en) | 2001-12-13 | 2008-06-24 | Digimarc Corporation | Forensic digital watermarking with variable orientation and protocols |
US7392394B2 (en) | 2001-12-13 | 2008-06-24 | Digimarc Corporation | Digital watermarking with variable orientation and protocols |
US7321667B2 (en) | 2002-01-18 | 2008-01-22 | Digimarc Corporation | Data hiding through arrangement of objects |
JP4039093B2 (ja) * | 2002-03-20 | 2008-01-30 | 富士ゼロックス株式会社 | 画像読取装置、複写装置、およびプログラム |
US20040125125A1 (en) * | 2002-06-29 | 2004-07-01 | Levy Kenneth L. | Embedded data windows in audio sequences and video frames |
US8171567B1 (en) | 2002-09-04 | 2012-05-01 | Tracer Detection Technology Corp. | Authentication method and system |
CH695718A5 (fr) * | 2002-09-20 | 2006-07-31 | Alpvision Sa | Procédé de génération et d'application sur un support d'un marquage spatial numérique. |
US6882356B2 (en) * | 2003-02-11 | 2005-04-19 | Eastman Kodak Company | Method and apparatus for watermarking film |
US7369279B2 (en) | 2003-03-13 | 2008-05-06 | Sharp Laboratories Of America, Inc. | System and method to restrict copying, scanning and transmittal of documents or parts of documents |
JP2005039453A (ja) * | 2003-07-18 | 2005-02-10 | Ricoh Co Ltd | カラー印刷装置 |
US6893790B2 (en) * | 2003-08-26 | 2005-05-17 | Eastman Kodak Company | Photopatterning of conductive electrode layers containing electrically-conductive polymer particles |
US6930759B2 (en) * | 2003-09-23 | 2005-08-16 | Eastman Kodak Company | Method and apparatus for exposing a latent watermark on film |
US6917758B1 (en) * | 2003-12-19 | 2005-07-12 | Eastman Kodak Company | Method of image compensation for watermarked film |
US7611829B2 (en) | 2004-01-30 | 2009-11-03 | Fujifilm Corporation | Silver halide color photographic light-sensitive material and color image-forming method |
US6980226B2 (en) * | 2004-02-13 | 2005-12-27 | Eastman Kodak Company | Watermarking method for motion picture image sequence |
US20050271961A1 (en) * | 2004-03-05 | 2005-12-08 | Jadwin Thomas A | Substrate and near infrared absorbing toner |
US7227671B2 (en) * | 2004-03-23 | 2007-06-05 | Eastman Kodak Company | Motion picture watermarking using two color planes |
US7777859B2 (en) * | 2004-05-06 | 2010-08-17 | Eastman Kodak Company | Two-stage exposure device for watermarking film |
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US7665400B2 (en) * | 2004-11-08 | 2010-02-23 | Scientific Games International, Inc. | Print monitoring system and method |
US20060170951A1 (en) * | 2005-01-31 | 2006-08-03 | Hewlett-Packard Development Company, L.P. | Method and arrangement for inhibiting counterfeit printing of legal tender |
JP4756930B2 (ja) * | 2005-06-23 | 2011-08-24 | キヤノン株式会社 | ドキュメント管理システム、ドキュメント管理方法、画像形成装置および情報処理装置 |
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TWI370413B (en) * | 2006-04-14 | 2012-08-11 | Sonix Technology Co Ltd | Graphical indicator |
JP4617328B2 (ja) * | 2006-07-20 | 2011-01-26 | キヤノン株式会社 | 画像処理装置及びその処理方法 |
US20090244627A1 (en) * | 2008-03-31 | 2009-10-01 | Mang Ou-Yang | Chromatics-based reading and writing system and method thereof |
US7995196B1 (en) | 2008-04-23 | 2011-08-09 | Tracer Detection Technology Corp. | Authentication method and system |
US8737901B2 (en) * | 2008-05-01 | 2014-05-27 | Xerox Corporation | Counterfeit deterrence using full width array scans |
US9749607B2 (en) | 2009-07-16 | 2017-08-29 | Digimarc Corporation | Coordinated illumination and image signal capture for enhanced signal detection |
US8657287B2 (en) * | 2011-06-03 | 2014-02-25 | The United States Playing Card Company | Intelligent table game system |
US10474858B2 (en) | 2011-08-30 | 2019-11-12 | Digimarc Corporation | Methods of identifying barcoded items by evaluating multiple identification hypotheses, based on data from sensors including inventory sensors and ceiling-mounted cameras |
NZ626444A (en) | 2012-01-30 | 2016-02-26 | Us Playing Card Co | Intelligent table game system |
US9635378B2 (en) | 2015-03-20 | 2017-04-25 | Digimarc Corporation | Sparse modulation for robust signaling and synchronization |
US10424038B2 (en) | 2015-03-20 | 2019-09-24 | Digimarc Corporation | Signal encoding outside of guard band region surrounding text characters, including varying encoding strength |
WO2016153936A1 (en) | 2015-03-20 | 2016-09-29 | Digimarc Corporation | Digital watermarking and data hiding with narrow-band absorption materials |
US10783601B1 (en) | 2015-03-20 | 2020-09-22 | Digimarc Corporation | Digital watermarking and signal encoding with activable compositions |
FR3035819B1 (fr) | 2015-05-07 | 2021-04-30 | Honnorat Rech & Services | Papier authentifiable smartphone |
US10232247B2 (en) | 2015-10-19 | 2019-03-19 | Hydra Management Llc | Instant ticket redundancy via multi-chromatic indicia |
US10252555B2 (en) | 2015-10-19 | 2019-04-09 | Hydra Management Llc | Instant ticket redundancy via multi-chromatic indicia |
CN105335740B (zh) | 2015-10-19 | 2019-01-11 | 松翰科技股份有限公司 | 图像指标的读取方法、指标结构以及其电子装置 |
US10377162B2 (en) | 2015-10-19 | 2019-08-13 | Hydra Management Llc | Instant ticket redundancy via multi-chromatic indicia |
US9861883B1 (en) | 2016-06-17 | 2018-01-09 | Mohawk Fine Papers Inc. | Secure substrate for scratch-off products |
US11062108B2 (en) | 2017-11-07 | 2021-07-13 | Digimarc Corporation | Generating and reading optical codes with variable density to adapt for visual quality and reliability |
US10896307B2 (en) | 2017-11-07 | 2021-01-19 | Digimarc Corporation | Generating and reading optical codes with variable density to adapt for visual quality and reliability |
US10872392B2 (en) | 2017-11-07 | 2020-12-22 | Digimarc Corporation | Generating artistic designs encoded with robust, machine-readable data |
US11089180B2 (en) | 2018-03-20 | 2021-08-10 | Hewlett-Packard Development Company, L.P. | Encoding dot patterns into printed images based on source pixel color |
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-
1996
- 1996-02-08 US US08/598,778 patent/US5752152A/en not_active Expired - Fee Related
-
1997
- 1997-01-24 EP EP97200201A patent/EP0789480B1/de not_active Expired - Lifetime
- 1997-01-24 DE DE69714311T patent/DE69714311T2/de not_active Expired - Fee Related
- 1997-02-10 JP JP9027124A patent/JPH09226228A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP0789480A2 (de) | 1997-08-13 |
EP0789480B1 (de) | 2002-07-31 |
DE69714311D1 (de) | 2002-09-05 |
JPH09226228A (ja) | 1997-09-02 |
US5752152A (en) | 1998-05-12 |
EP0789480A3 (de) | 1997-10-01 |
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Owner name: EASTMAN KODAK CO., ROCHESTER, N.Y., US |
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