DE69222238T2 - Bildprozessor - Google Patents

Bildprozessor

Info

Publication number
DE69222238T2
DE69222238T2 DE69222238T DE69222238T DE69222238T2 DE 69222238 T2 DE69222238 T2 DE 69222238T2 DE 69222238 T DE69222238 T DE 69222238T DE 69222238 T DE69222238 T DE 69222238T DE 69222238 T2 DE69222238 T2 DE 69222238T2
Authority
DE
Germany
Prior art keywords
image processor
processor
image
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
Application number
DE69222238T
Other languages
English (en)
Other versions
DE69222238D1 (de
Inventor
Masahiro Funada
Ken-Ichi Ohta
Yutaka Udagawa
Yoichi Takaragi
Eiji Ohta
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
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 JP16038791A external-priority patent/JP3227174B2/ja
Priority claimed from JP3160380A external-priority patent/JPH0514706A/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE69222238D1 publication Critical patent/DE69222238D1/de
Application granted granted Critical
Publication of DE69222238T2 publication Critical patent/DE69222238T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • 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
    • H04N1/00872—Modifying the reproduction, e.g. outputting a modified copy of a scanned original by image quality reduction, e.g. distortion or blacking out

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
  • Collating Specific Patterns (AREA)
  • Image Analysis (AREA)
DE69222238T 1991-07-01 1992-06-30 Bildprozessor Expired - Lifetime DE69222238T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP16038791A JP3227174B2 (ja) 1991-07-01 1991-07-01 画像処理装置及び画像処理装置のための制御方法
JP3160380A JPH0514706A (ja) 1991-07-01 1991-07-01 画像処理装置

Publications (2)

Publication Number Publication Date
DE69222238D1 DE69222238D1 (de) 1997-10-23
DE69222238T2 true DE69222238T2 (de) 1998-02-12

Family

ID=26486916

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69222238T Expired - Lifetime DE69222238T2 (de) 1991-07-01 1992-06-30 Bildprozessor

Country Status (4)

Country Link
US (1) US5847849A (de)
EP (1) EP0522768B1 (de)
CA (1) CA2072838C (de)
DE (1) DE69222238T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5822436A (en) 1996-04-25 1998-10-13 Digimarc Corporation Photographic products and methods employing embedded information
US6026175A (en) * 1996-09-27 2000-02-15 Cummins-Allison Corp. Currency discriminator and authenticator having the capability of having its sensing characteristics remotely altered
JPH11355562A (ja) * 1998-06-04 1999-12-24 Omron Corp 不正画像形成防止装置及び画像形成装置
JP2001014128A (ja) * 1999-04-30 2001-01-19 Omron Corp 画像認識装置及びそれに接続する周辺機器並びに画像処理システム
JP4035271B2 (ja) * 1999-12-27 2008-01-16 キヤノン株式会社 情報発信装置及び情報受信装置及びそれらの制御方法及び記憶媒体及びシステム
JP3962635B2 (ja) * 2001-06-26 2007-08-22 キヤノン株式会社 画像処理装置およびその制御方法
US20030210803A1 (en) * 2002-03-29 2003-11-13 Canon Kabushiki Kaisha Image processing apparatus and method
WO2004072845A1 (en) * 2003-02-14 2004-08-26 Canon Kabushiki Kaisha System for certifying whether printed material corresponds to original

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5927383A (ja) * 1982-08-06 1984-02-13 株式会社ユニバ−サル 学習式硬貨等の選別装置
JPS5953980A (ja) * 1982-09-20 1984-03-28 Kawasaki Heavy Ind Ltd カラ−パタ−ン認識方法
GB2182477B (en) * 1985-10-31 1989-09-27 Nat Rejectors Gmbh Method and device for establishing the reference values in coin testing apparatus
JPH0614384B2 (ja) * 1987-04-13 1994-02-23 ローレルバンクマシン株式会社 紙幣判別装置
CA1329826C (en) * 1988-05-13 1994-05-24 Kamon Hasuo Image processing apparatus
US5321470A (en) * 1988-05-13 1994-06-14 Canon Kabushiki Kaisha Apparatus with anti-forgery provision
JPH02114287A (ja) * 1988-10-25 1990-04-26 Canon Inc 画像形成装置
US4962457A (en) * 1988-10-25 1990-10-09 The University Of Michigan Intelligent vehicle-highway system
SG126671A1 (en) * 1989-02-10 2006-11-29 Canon Kk Apparatus for image reading or processing

Also Published As

Publication number Publication date
DE69222238D1 (de) 1997-10-23
US5847849A (en) 1998-12-08
EP0522768B1 (de) 1997-09-17
CA2072838A1 (en) 1993-01-02
CA2072838C (en) 1999-04-27
EP0522768A1 (de) 1993-01-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition