DE69216129T2 - Bildverarbeitungsgerät - Google Patents
BildverarbeitungsgerätInfo
- Publication number
- DE69216129T2 DE69216129T2 DE69216129T DE69216129T DE69216129T2 DE 69216129 T2 DE69216129 T2 DE 69216129T2 DE 69216129 T DE69216129 T DE 69216129T DE 69216129 T DE69216129 T DE 69216129T DE 69216129 T2 DE69216129 T2 DE 69216129T2
- Authority
- DE
- Germany
- Prior art keywords
- image processing
- processing device
- image
- processing
- 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 - Lifetime
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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/04—Preventing copies being made of an original
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
-
- 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
-
- 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
- H04N1/00848—Determining the necessity for prevention based on recognising a copy prohibited original, e.g. a banknote by detecting a particular original
-
- 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
- H04N1/00854—Recognising an unauthorised user or user-associated action
-
- 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
- H04N1/00859—Issuing an alarm 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
- H04N1/00864—Modifying the reproduction, e.g. outputting a modified copy of a scanned original
- H04N1/00867—Modifying the reproduction, e.g. outputting a modified copy of a scanned original with additional data, e.g. by adding a warning message
-
- 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
- H04N1/00864—Modifying the reproduction, e.g. outputting a modified copy of a scanned original
- H04N1/00867—Modifying the reproduction, e.g. outputting a modified copy of a scanned original with additional data, e.g. by adding a warning message
- H04N1/0087—Modifying the reproduction, e.g. outputting a modified copy of a scanned original with additional data, e.g. by adding a warning message with hidden additional data, e.g. data invisible to the human eye
-
- 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
- H04N1/00838—Preventing unauthorised reproduction
- H04N1/00856—Preventive measures
- H04N1/00877—Recording information, e.g. details of the job
-
- 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
- H04N1/38—Circuits or arrangements for blanking or otherwise eliminating unwanted parts of pictures
-
- 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
- H04N1/46—Colour picture communication systems
- H04N1/56—Processing of colour picture signals
- H04N1/60—Colour correction or control
- H04N1/62—Retouching, i.e. modification of isolated colours only or in isolated picture areas only
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K2215/00—Arrangements for producing a permanent visual presentation of the output data
- G06K2215/0002—Handling the output data
- G06K2215/0005—Accepting output data; Preparing data for the controlling system
- G06K2215/0014—Transforming the printer input data into internal codes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K2215/00—Arrangements for producing a permanent visual presentation of the output data
- G06K2215/0082—Architecture adapted for a particular function
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K2215/00—Arrangements for producing a permanent visual presentation of the output data
- G06K2215/0082—Architecture adapted for a particular function
- G06K2215/0094—Colour printing
-
- 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
- H04N2201/3205—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 of identification information, e.g. name or ID code
-
- 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
- Y10S283/901—Concealed data
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3060248A JP2614369B2 (ja) | 1991-03-25 | 1991-03-25 | 画像処理装置 |
JP10235491A JP3242939B2 (ja) | 1991-05-08 | 1991-05-08 | 画像処理装置およびその方法 |
JP12434591A JP3295103B2 (ja) | 1991-05-29 | 1991-05-29 | 画像処理装置およびその方法 |
JP16056091A JP3313739B2 (ja) | 1991-07-01 | 1991-07-01 | 画像処理装置およびその方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69216129D1 DE69216129D1 (de) | 1997-02-06 |
DE69216129T2 true DE69216129T2 (de) | 1997-04-24 |
Family
ID=27463882
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69216129T Expired - Lifetime DE69216129T2 (de) | 1991-03-25 | 1992-03-24 | Bildverarbeitungsgerät |
DE69229285T Expired - Lifetime DE69229285T3 (de) | 1991-03-25 | 1992-03-24 | Bildverarbeitungsgerät |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69229285T Expired - Lifetime DE69229285T3 (de) | 1991-03-25 | 1992-03-24 | Bildverarbeitungsgerät |
Country Status (4)
Country | Link |
---|---|
US (4) | US5257119A (de) |
EP (2) | EP0506332B1 (de) |
CA (1) | CA2063785C (de) |
DE (2) | DE69216129T2 (de) |
Families Citing this family (126)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2063785C (en) * | 1991-03-25 | 1998-09-29 | Masahiro Funada | Image processing apparatus |
EP0776120B1 (de) | 1991-03-29 | 2002-09-04 | Canon Kabushiki Kaisha | Bildverarbeitungsgerät |
JP3280083B2 (ja) * | 1991-09-30 | 2002-04-30 | キヤノン株式会社 | 画像処理装置及び画像処理方法 |
US5638186A (en) * | 1991-12-19 | 1997-06-10 | Ricoh Company Ltd. | Multi-function machine for combining and routing image data |
US6166750A (en) * | 1992-01-31 | 2000-12-26 | Canon Kabushiki Kaisha | Image processing apparatus and method for adding predetermined additional information to an image by adding a predetermined number of unit dots to partial color component data of the image |
JP3242971B2 (ja) * | 1992-02-27 | 2001-12-25 | キヤノン株式会社 | 画像処理装置およびその方法 |
JPH05244414A (ja) * | 1992-02-28 | 1993-09-21 | Canon Inc | 画像処理装置 |
JP3230535B2 (ja) * | 1992-04-30 | 2001-11-19 | キヤノン株式会社 | 画像処理装置 |
JP3501470B2 (ja) | 1992-05-08 | 2004-03-02 | キヤノン株式会社 | 画像処理装置およびその方法 |
US6738491B1 (en) * | 1992-06-30 | 2004-05-18 | Minolta Co., Ltd. | Image forming apparatus and copy management system |
US6301369B2 (en) | 1992-07-31 | 2001-10-09 | Digimarc Corporation | Image marking to permit later identification |
US5721788A (en) | 1992-07-31 | 1998-02-24 | Corbis Corporation | Method and system for digital image signatures |
MX9304708A (es) * | 1992-08-05 | 1994-05-31 | Ricoh Kk | Aparato formador de imagenes. |
US5502575A (en) * | 1992-08-06 | 1996-03-26 | Matsushita Electric Industrial Co., Ltd. | Imaging apparatus having a counterfeiting prevention function |
DE4227613A1 (de) * | 1992-08-20 | 1994-02-24 | Gao Ges Automation Org | Verfahren und Vorrichtung zur Erkennung von Druckbildern auf Dokumenten |
US6346989B1 (en) | 1992-08-24 | 2002-02-12 | Canon Kabushiki Kaisha | Image processing apparatus and method |
CA2106708C (en) * | 1992-09-25 | 2000-01-25 | Nobuatsu Sasanuma | Image processing apparatus and method thereof |
CA2106706C (en) * | 1992-09-28 | 1999-07-27 | Rie Saito | Image forming method and apparatus |
US6421145B1 (en) * | 1992-09-28 | 2002-07-16 | Canon Kabushiki Kaisha | Image processing apparatus and method using image information and additional information or an additional pattern added thereto or superposed thereon |
JPH06125459A (ja) * | 1992-10-09 | 1994-05-06 | Ricoh Co Ltd | 特殊原稿判別機能付き複写機 |
CA2108823C (en) * | 1992-10-23 | 1999-09-14 | Shinobu Arimoto | Image processing apparatus and method therefor |
JP3175364B2 (ja) | 1992-12-21 | 2001-06-11 | ミノルタ株式会社 | 画像処理方法および装置 |
EP0616293B1 (de) * | 1993-02-17 | 2002-05-15 | Canon Kabushiki Kaisha | Verfahren und Druckvorrichtung für kodierte Daten |
US5857038A (en) * | 1993-06-29 | 1999-01-05 | Canon Kabushiki Kaisha | Image processing apparatus and method for synthesizing first and second image data |
JP3111754B2 (ja) * | 1993-07-01 | 2000-11-27 | ミノルタ株式会社 | 画像形成装置 |
US6621922B2 (en) * | 1993-07-30 | 2003-09-16 | Canon Kabushiki Kaisha | Image processing system and electronic apparatuses |
DE69417661T2 (de) * | 1993-09-03 | 1999-11-11 | Toshiba Kawasaki Kk | Gerät zur steganografischen Einfügung von Information in Farbbilder |
DE69433603D1 (de) * | 1993-10-26 | 2004-04-15 | Canon Kk | Bildverarbeitungsverfahren und -gerät |
US5610688A (en) * | 1993-11-05 | 1997-03-11 | Sharp Kabushiki Kaisha | Image forming apparatus having illegal use prevention |
US6983051B1 (en) | 1993-11-18 | 2006-01-03 | Digimarc Corporation | Methods for audio watermarking and decoding |
US6757406B2 (en) | 1993-11-18 | 2004-06-29 | Digimarc Corporation | Steganographic image processing |
US6449377B1 (en) * | 1995-05-08 | 2002-09-10 | Digimarc Corporation | Methods and systems for watermark processing of line art images |
US5636292C1 (en) * | 1995-05-08 | 2002-06-18 | Digimarc Corp | Steganography methods employing embedded calibration data |
US6944298B1 (en) | 1993-11-18 | 2005-09-13 | Digimare Corporation | Steganographic encoding and decoding of auxiliary codes in media signals |
US5832119C1 (en) | 1993-11-18 | 2002-03-05 | Digimarc Corp | Methods for controlling systems using control signals embedded in empirical data |
US5748763A (en) | 1993-11-18 | 1998-05-05 | Digimarc Corporation | Image steganography system featuring perceptually adaptive and globally scalable signal embedding |
US6611607B1 (en) | 1993-11-18 | 2003-08-26 | Digimarc Corporation | Integrating digital watermarks in multimedia content |
US6345104B1 (en) | 1994-03-17 | 2002-02-05 | Digimarc Corporation | Digital watermarks and methods for security documents |
US5748783A (en) | 1995-05-08 | 1998-05-05 | Digimarc Corporation | Method and apparatus for robust information coding |
US6614914B1 (en) | 1995-05-08 | 2003-09-02 | Digimarc Corporation | Watermark embedder and reader |
US5841886A (en) | 1993-11-18 | 1998-11-24 | Digimarc Corporation | Security system for photographic identification |
US5822436A (en) | 1996-04-25 | 1998-10-13 | Digimarc Corporation | Photographic products and methods employing embedded information |
US6516079B1 (en) | 2000-02-14 | 2003-02-04 | Digimarc Corporation | Digital watermark screening and detecting strategies |
DE69434237T2 (de) | 1993-11-18 | 2005-12-08 | Digimarc Corp., Tualatin | Video mit versteckten in-Band digitalen Daten |
US7171016B1 (en) | 1993-11-18 | 2007-01-30 | Digimarc Corporation | Method for monitoring internet dissemination of image, video and/or audio files |
US6580819B1 (en) | 1993-11-18 | 2003-06-17 | Digimarc Corporation | Methods of producing security documents having digitally encoded data and documents employing same |
US5710834A (en) * | 1995-05-08 | 1998-01-20 | Digimarc Corporation | Method and apparatus responsive to a code signal conveyed through a graphic image |
US7676059B2 (en) * | 1994-10-21 | 2010-03-09 | Digimarc Corporation | Video steganography or encoding |
US6122403A (en) | 1995-07-27 | 2000-09-19 | Digimarc Corporation | Computer system linked by using information in data objects |
US5768426A (en) | 1993-11-18 | 1998-06-16 | Digimarc Corporation | Graphics processing system employing embedded code signals |
US5878162A (en) * | 1993-11-30 | 1999-03-02 | Mita Industrial Co., Ltd. | Image processing circuit |
JP3295202B2 (ja) * | 1993-12-22 | 2002-06-24 | キヤノン株式会社 | 画像形成装置 |
US7778437B2 (en) | 1994-03-17 | 2010-08-17 | Digimarc Corporation | Media and methods employing steganographic marking |
US7286684B2 (en) * | 1994-03-17 | 2007-10-23 | Digimarc Corporation | Secure document design carrying auxiliary machine readable information |
US6522770B1 (en) | 1999-05-19 | 2003-02-18 | Digimarc Corporation | Management of documents and other objects using optical devices |
JP3566334B2 (ja) * | 1994-03-25 | 2004-09-15 | キヤノン株式会社 | 画像処理装置およびその方法 |
JP2996277B2 (ja) * | 1994-06-15 | 1999-12-27 | 富士ゼロックス株式会社 | 画像形成装置 |
JP3224480B2 (ja) * | 1994-09-30 | 2001-10-29 | キヤノン株式会社 | カラー画像処理装置 |
US6535618B1 (en) * | 1994-10-21 | 2003-03-18 | Digimarc Corporation | Image capture device with steganographic data embedding |
US6560349B1 (en) | 1994-10-21 | 2003-05-06 | Digimarc Corporation | Audio monitoring using steganographic information |
US6778682B2 (en) * | 1994-10-21 | 2004-08-17 | Digimarc Corporation | Redundantly embedding auxiliary data in source signals |
JP3618801B2 (ja) * | 1994-10-31 | 2005-02-09 | キヤノン株式会社 | 画像処理装置 |
KR0135778B1 (en) * | 1994-11-25 | 1998-04-22 | Samsung Electronics Co Ltd | Fax with a function of managing message and the method |
US6760463B2 (en) | 1995-05-08 | 2004-07-06 | Digimarc Corporation | Watermarking methods and media |
US7555139B2 (en) * | 1995-05-08 | 2009-06-30 | Digimarc Corporation | Secure documents with hidden signals, and related methods and systems |
US6721440B2 (en) | 1995-05-08 | 2004-04-13 | Digimarc Corporation | Low visibility watermarks using an out-of-phase color |
US6728390B2 (en) | 1995-05-08 | 2004-04-27 | Digimarc Corporation | Methods and systems using multiple watermarks |
US6002841A (en) * | 1995-05-31 | 1999-12-14 | Canon Kabushiki Kaisha | Apparatus and method for processing image which adds identification information to be easily decipherable in high resolution image |
US5659407A (en) * | 1995-06-06 | 1997-08-19 | Apple Computer, Inc. | Method and system for rendering achromatic image data for image output devices |
US6650761B1 (en) | 1999-05-19 | 2003-11-18 | Digimarc Corporation | Watermarked business cards and methods |
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 |
US9630443B2 (en) | 1995-07-27 | 2017-04-25 | Digimarc Corporation | Printer driver separately applying watermark and information |
US6411725B1 (en) * | 1995-07-27 | 2002-06-25 | Digimarc Corporation | Watermark enabled video objects |
US6577746B1 (en) | 1999-12-28 | 2003-06-10 | Digimarc Corporation | Watermark-based object linking and embedding |
US5752152A (en) * | 1996-02-08 | 1998-05-12 | Eastman Kodak Company | Copy restrictive system |
US5919730A (en) * | 1996-02-08 | 1999-07-06 | Eastman Kodak Company | Copy restrictive documents |
US5822660A (en) * | 1996-02-08 | 1998-10-13 | Eastman Kodak Company | Copyright protection in color thermal prints |
US6384935B1 (en) | 1997-02-28 | 2002-05-07 | Canon Kabushiki Kaisha | Image process apparatus, image process method and storage medium |
US6256110B1 (en) | 1997-06-11 | 2001-07-03 | Canon Kabushiki Kaisha | Image processing apparatus and method and storage medium |
JPH114337A (ja) | 1997-06-11 | 1999-01-06 | Canon Inc | 画像処理装置及び方法 |
JPH1191198A (ja) * | 1997-07-23 | 1999-04-06 | Canon Inc | 画像処理装置及び方法及び記憶媒体 |
JPH1175050A (ja) * | 1997-08-29 | 1999-03-16 | Fujitsu Ltd | イメージデータ合成装置 |
JPH1198369A (ja) * | 1997-09-25 | 1999-04-09 | Minolta Co Ltd | カラー画像読取装置及びカラー画像複写装置 |
JPH11112782A (ja) | 1997-09-30 | 1999-04-23 | Canon Inc | 画像処理装置、画像処理方法及びコンピュータ読み取り可能な記憶媒体 |
JPH11275345A (ja) * | 1997-12-26 | 1999-10-08 | Canon Inc | 画像形成装置及び画像形成方法 |
US6804376B2 (en) | 1998-01-20 | 2004-10-12 | Digimarc Corporation | Equipment employing watermark-based authentication function |
JPH11220607A (ja) * | 1998-01-30 | 1999-08-10 | Canon Inc | 画像処理装置、方法及びコンピュータ読み取り可能な記憶媒体 |
JP2000050054A (ja) * | 1998-07-31 | 2000-02-18 | Canon Inc | 記録システム |
US6369904B1 (en) * | 1998-08-18 | 2002-04-09 | Seiko Epson Corporation | User verification by zero-knowledge interactive proof |
JP2000175023A (ja) | 1998-12-09 | 2000-06-23 | Sharp Corp | 画像形成装置 |
JP3963053B2 (ja) * | 1999-01-08 | 2007-08-22 | オムロン株式会社 | 画像認識装置及び記録媒体並びに画像処理装置 |
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-
1992
- 1992-03-23 CA CA002063785A patent/CA2063785C/en not_active Expired - Lifetime
- 1992-03-24 US US07/856,996 patent/US5257119A/en not_active Expired - Lifetime
- 1992-03-24 EP EP92302518A patent/EP0506332B1/de not_active Expired - Lifetime
- 1992-03-24 EP EP96201433A patent/EP0733958B2/de not_active Expired - Lifetime
- 1992-03-24 DE DE69216129T patent/DE69216129T2/de not_active Expired - Lifetime
- 1992-03-24 DE DE69229285T patent/DE69229285T3/de not_active Expired - Lifetime
-
1993
- 1993-07-01 US US08/085,088 patent/US5465161A/en not_active Expired - Lifetime
-
1995
- 1995-05-31 US US08/454,682 patent/US5737100A/en not_active Expired - Lifetime
-
1997
- 1997-01-07 US US08/779,391 patent/US5742408A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0506332A3 (en) | 1993-03-03 |
US5465161A (en) | 1995-11-07 |
US5737100A (en) | 1998-04-07 |
EP0733958A2 (de) | 1996-09-25 |
DE69216129D1 (de) | 1997-02-06 |
EP0506332B1 (de) | 1996-12-27 |
DE69229285D1 (de) | 1999-07-01 |
CA2063785C (en) | 1998-09-29 |
DE69229285T2 (de) | 1999-11-04 |
DE69229285T3 (de) | 2004-04-22 |
US5257119A (en) | 1993-10-26 |
EP0506332A2 (de) | 1992-09-30 |
US5742408A (en) | 1998-04-21 |
EP0733958A3 (de) | 1996-10-23 |
CA2063785A1 (en) | 1992-09-26 |
EP0733958B1 (de) | 1999-05-26 |
EP0733958B2 (de) | 2003-09-10 |
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