FR2040164A5 - - Google Patents

Info

Publication number
FR2040164A5
FR2040164A5 FR7011492A FR7011492A FR2040164A5 FR 2040164 A5 FR2040164 A5 FR 2040164A5 FR 7011492 A FR7011492 A FR 7011492A FR 7011492 A FR7011492 A FR 7011492A FR 2040164 A5 FR2040164 A5 FR 2040164A5
Authority
FR
France
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
Application number
FR7011492A
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
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 JP44024171A external-priority patent/JPS4932019B1/ja
Application filed by Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Application granted granted Critical
Publication of FR2040164A5 publication Critical patent/FR2040164A5/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/28—Quantising the image, e.g. histogram thresholding for discrimination between background and foreground patterns
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/30—Noise filtering
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/40—Document-oriented image-based pattern recognition
    • G06V30/42—Document-oriented image-based pattern recognition based on the type of document
    • G06V30/424—Postal images, e.g. labels or addresses on parcels or postal envelopes

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Analysis (AREA)
  • Analogue/Digital Conversion (AREA)
  • Character Input (AREA)
  • Tents Or Canopies (AREA)
  • Ladders (AREA)
FR7011492A 1969-03-31 1970-03-31 Expired FR2040164A5 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP44024171A JPS4932019B1 (fr) 1969-03-31 1969-03-31
GB5556769 1969-11-13
GB1592570 1970-04-03

Publications (1)

Publication Number Publication Date
FR2040164A5 true FR2040164A5 (fr) 1971-01-15

Family

ID=27257308

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7011492A Expired FR2040164A5 (fr) 1969-03-31 1970-03-31

Country Status (5)

Country Link
US (1) US3688266A (fr)
DE (1) DE2015359C3 (fr)
FR (1) FR2040164A5 (fr)
GB (3) GB1311486A (fr)
NL (1) NL170062B (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5637586B2 (fr) * 1973-07-02 1981-09-01
US3973239A (en) * 1973-10-17 1976-08-03 Hitachi, Ltd. Pattern preliminary processing system
JPS5313822A (en) * 1976-07-23 1978-02-07 Sharp Corp Video information reader
JPS5451733A (en) * 1977-10-03 1979-04-23 Toshiba Corp Character reading system
DE2816839C3 (de) * 1978-04-18 1981-03-26 Computer Gesellschaft Konstanz Mbh, 7750 Konstanz Schaltungsanordnung zum Aufbereiten eines abgetasteten Musters
FR2440309A1 (fr) * 1978-10-30 1980-05-30 Creusot Loire Dispositif de maintien de la partie anterieure d'un bateau pneumatique
FR2463046A1 (fr) * 1979-08-09 1981-02-20 Angeviniere Sa Etrave quille pour bateaux pneumatiques et engins gonflables de navigation
US4468809A (en) * 1981-12-23 1984-08-28 Ncr Corporation Multiple font OCR reader
US4520505A (en) * 1981-12-23 1985-05-28 Mitsubishi Denki Kabushiki Kaisha Character reading device
JPS60247381A (ja) * 1984-05-22 1985-12-07 Hitachi Medical Corp 画像読取装置
US4791679A (en) * 1987-12-26 1988-12-13 Eastman Kodak Company Image character enhancement using a stroke strengthening kernal
US5864629A (en) * 1990-09-28 1999-01-26 Wustmann; Gerhard K. Character recognition methods and apparatus for locating and extracting predetermined data from a document
JPH04288692A (ja) * 1991-03-18 1992-10-13 Eastman Kodak Japan Kk 画像入力装置
US6081626A (en) * 1995-05-09 2000-06-27 International Business Machines Corporation Method and system for background removal in electronically scanned images
CA2326901A1 (fr) * 1998-04-01 1999-10-07 William Peterman Systeme et procede de recherche de documents electroniques crees a l'aide de la reconnaissance optique de caracteres
KR100374604B1 (ko) * 2000-05-31 2003-03-04 삼성전자주식회사 영상의 패턴 반복 기술 방법 및 그 영상 응집화 방법
US8595407B2 (en) * 2011-06-14 2013-11-26 Lsi Corporation Representation of data relative to varying thresholds

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL268306A (fr) * 1957-05-17
US3104372A (en) * 1961-02-02 1963-09-17 Rabinow Engineering Co Inc Multilevel quantizing for character readers
US3196398A (en) * 1962-05-21 1965-07-20 Ibm Pattern recognition preprocessing techniques
US3541508A (en) * 1965-10-15 1970-11-17 Columbia Ribbon Carbon Mfg Character reading system

Also Published As

Publication number Publication date
NL7004565A (fr) 1970-10-02
DE2015359C3 (de) 1978-09-28
GB1311486A (en) 1973-03-28
GB1263667A (en) 1972-02-16
US3688266A (en) 1972-08-29
DE2015359A1 (de) 1970-12-03
DE2015359B2 (de) 1978-01-19
NL170062B (nl) 1982-04-16
GB1311541A (en) 1973-03-28

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Legal Events

Date Code Title Description
ST Notification of lapse