KR950014326B1 - Apparatus and method for image forming - Google Patents

Apparatus and method for image forming Download PDF

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Publication number
KR950014326B1
KR950014326B1 KR95009517A KR19950009517A KR950014326B1 KR 950014326 B1 KR950014326 B1 KR 950014326B1 KR 95009517 A KR95009517 A KR 95009517A KR 19950009517 A KR19950009517 A KR 19950009517A KR 950014326 B1 KR950014326 B1 KR 950014326B1
Authority
KR
South Korea
Prior art keywords
color
image information
color image
distribution
image
Prior art date
Application number
KR95009517A
Other languages
English (en)
Other versions
KR950035571A (ko
Inventor
Kenizi Ouda
Original Assignee
Canon Kk
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP16490590A external-priority patent/JP3262326B2/ja
Priority claimed from JP33088790A external-priority patent/JP3245153B2/ja
Priority claimed from JP33089190A external-priority patent/JP3150336B2/ja
Application filed by Canon Kk filed Critical Canon Kk
Priority to KR95009517A priority Critical patent/KR950014326B1/ko
Application granted granted Critical
Publication of KR950014326B1 publication Critical patent/KR950014326B1/ko
Publication of KR950035571A publication Critical patent/KR950035571A/ko

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
    • 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
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
    • G07D7/12—Visible light, infrared or ultraviolet radiation
    • G07D7/121—Apparatus characterised by sensor details
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/17—Apparatus characterised by positioning means or by means responsive to positioning
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/20—Testing patterns thereon
    • 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
    • H04N1/00856—Preventive measures
    • H04N1/00864—Modifying the reproduction, e.g. outputting a modified copy of a scanned original

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Image Processing (AREA)
  • Color Image Communication Systems (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Polarising Elements (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Liquid Crystal (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
KR95009517A 1990-06-22 1995-04-22 Apparatus and method for image forming KR950014326B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR95009517A KR950014326B1 (en) 1990-06-22 1995-04-22 Apparatus and method for image forming

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP16490590A JP3262326B2 (ja) 1990-06-22 1990-06-22 画像処理装置および画像処理方法
JP90-164905 1990-06-22
JP90-330887 1990-11-30
JP33088790A JP3245153B2 (ja) 1990-11-30 1990-11-30 画像処理装置
JP90-330891 1990-11-30
JP33089190A JP3150336B2 (ja) 1990-11-30 1990-11-30 画像読取装置における処理方法
KR1019910010417A KR950008939B1 (ko) 1990-06-22 1991-06-22 화상처리장치
KR95009517A KR950014326B1 (en) 1990-06-22 1995-04-22 Apparatus and method for image forming

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR1019910010417A Division KR950008939B1 (ko) 1990-06-22 1991-06-22 화상처리장치

Publications (2)

Publication Number Publication Date
KR950014326B1 true KR950014326B1 (en) 1995-11-24
KR950035571A KR950035571A (ko) 1995-12-30

Family

ID=27322404

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1019910010417A KR950008939B1 (ko) 1990-06-22 1991-06-22 화상처리장치
KR95009517A KR950014326B1 (en) 1990-06-22 1995-04-22 Apparatus and method for image forming

Family Applications Before (1)

Application Number Title Priority Date Filing Date
KR1019910010417A KR950008939B1 (ko) 1990-06-22 1991-06-22 화상처리장치

Country Status (8)

Country Link
US (2) US5633952A (ko)
EP (2) EP0463804B1 (ko)
KR (2) KR950008939B1 (ko)
AT (2) ATE215247T1 (ko)
AU (4) AU653530B2 (ko)
CA (1) CA2045280C (ko)
DE (2) DE69132970T2 (ko)
TW (1) TW246726B (ko)

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JPH11275352A (ja) * 1998-03-26 1999-10-08 Omron Corp 画像処理装置
US6393147B2 (en) * 1998-04-13 2002-05-21 Intel Corporation Color region based recognition of unidentified objects
US6377703B1 (en) * 1998-11-10 2002-04-23 Seiko Epson Corporation Apparatus and method for determining an area encompassing an image for scanning the image
US6748100B2 (en) * 1998-12-23 2004-06-08 Hewlett-Packard Development Company, L.P. Detection and deterrence of counterfeiting of documents having a characteristic color
ATE518363T1 (de) * 1999-04-06 2011-08-15 Canon Kk Abtaster, drucker, speichermedium und bildverarbeitungsverfahren
US7248733B2 (en) 1999-04-26 2007-07-24 Canon Kabushiki Kaisha Color-image processing apparatus and method, and storage medium
JP3787456B2 (ja) 1999-04-26 2006-06-21 キヤノン株式会社 カラー画像処理装置、カラー画像処理方法及び記憶媒体
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US7856116B2 (en) * 2004-11-09 2010-12-21 Digimarc Corporation Authenticating identification and security documents
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Also Published As

Publication number Publication date
US5633952A (en) 1997-05-27
AU653530B2 (en) 1994-10-06
AU7742294A (en) 1995-01-05
AU674452B2 (en) 1996-12-19
KR950035571A (ko) 1995-12-30
AU7925491A (en) 1992-01-02
AU2046795A (en) 1995-08-17
AU668335B2 (en) 1996-04-26
KR950008939B1 (ko) 1995-08-09
EP0779603B1 (en) 2002-03-27
TW246726B (ko) 1995-05-01
EP0463804A3 (en) 1992-05-27
EP0463804A2 (en) 1992-01-02
EP0779603A3 (de) 1998-03-11
EP0463804B1 (en) 1997-09-10
CA2045280C (en) 1996-12-31
ATE215247T1 (de) 2002-04-15
KR920001268A (ko) 1992-01-30
AU664891B2 (en) 1995-12-07
DE69127591T2 (de) 1998-01-22
CA2045280A1 (en) 1991-12-23
AU3863993A (en) 1993-08-26
EP0779603A2 (en) 1997-06-18
DE69132970T2 (de) 2002-09-12
ATE158097T1 (de) 1997-09-15
DE69132970D1 (de) 2002-05-02
US5949903A (en) 1999-09-07
DE69127591D1 (de) 1997-10-16

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