FR2169644A5 - - Google Patents

Info

Publication number
FR2169644A5
FR2169644A5 FR7302423A FR7302423A FR2169644A5 FR 2169644 A5 FR2169644 A5 FR 2169644A5 FR 7302423 A FR7302423 A FR 7302423A FR 7302423 A FR7302423 A FR 7302423A FR 2169644 A5 FR2169644 A5 FR 2169644A5
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
FR7302423A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR2169644A5 publication Critical patent/FR2169644A5/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G06V30/10—Character recognition
    • G06V30/16—Image preprocessing
    • G06V30/168—Smoothing or thinning of the pattern; Skeletonisation
    • 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
    • G06V30/10—Character recognition

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Character Input (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Character Discrimination (AREA)
FR7302423A 1972-01-28 1973-01-24 Expired FR2169644A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7201225A NL7201225A (fr) 1972-01-28 1972-01-28

Publications (1)

Publication Number Publication Date
FR2169644A5 true FR2169644A5 (fr) 1973-09-07

Family

ID=19815249

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7302423A Expired FR2169644A5 (fr) 1972-01-28 1973-01-24

Country Status (6)

Country Link
US (1) US3940737A (fr)
JP (1) JPS4885046A (fr)
DE (1) DE2303485A1 (fr)
FR (1) FR2169644A5 (fr)
GB (1) GB1424551A (fr)
NL (1) NL7201225A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1487920A (en) * 1973-12-21 1977-10-05 Mullard Ltd Character thinning apparatus
US4115760A (en) * 1974-11-18 1978-09-19 Fujitsu Limited Figure pre-processing device
US4003024A (en) * 1975-10-14 1977-01-11 Rockwell International Corporation Two-dimensional binary data enhancement system
US4291339A (en) * 1977-05-16 1981-09-22 Ricoh Company, Ltd. Facsimile transceiver
GB2030823B (en) * 1978-10-02 1982-11-03 Ibm Image data manipulation apparatus
US4783751A (en) * 1983-08-17 1988-11-08 University Of South Carolina Analysis of pore complexes
BR8407021A (pt) * 1983-08-17 1985-07-30 Robert Ehrlich Analise de complexos de poros reservatorios
US4574357A (en) 1984-02-21 1986-03-04 Pitney Bowes Inc. Real time character thinning system
US4853967A (en) * 1984-06-29 1989-08-01 International Business Machines Corporation Method for automatic optical inspection analysis of integrated circuits
JPS6180374A (ja) * 1984-09-21 1986-04-23 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション 可変走査領域による細線化処理の方法及び装置
FR2603101B1 (fr) * 1986-08-22 1988-11-25 Univ Nantes Procede pour l'analyse par couches pseudo-concentriques d'une surface delimitee par une courbe non parametrique avec reference a une surface subdivisee en aires unitaires discretes et son application a la mesure approchee de la longueur d'une courbe
US5050229A (en) * 1990-06-05 1991-09-17 Eastman Kodak Company Method and apparatus for thinning alphanumeric characters for optical character recognition
US5574803A (en) * 1991-08-02 1996-11-12 Eastman Kodak Company Character thinning using emergent behavior of populations of competitive locally independent processes

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL244109A (fr) * 1958-10-07
DE1250166B (de) * 1962-05-21 1967-09-14 International Business Machines Corporation Armonk, NY (V St A) Vorrichtung zur maschinellen Zeichen erkennung
US3706071A (en) * 1970-06-22 1972-12-12 Information Int Inc Binary image processor
NL7016536A (fr) * 1970-11-12 1972-05-16
US3766520A (en) * 1971-11-10 1973-10-16 Regonition Equipment Inc Character reader with handprint capability

Also Published As

Publication number Publication date
US3940737A (en) 1976-02-24
NL7201225A (fr) 1973-07-31
DE2303485A1 (de) 1973-08-02
JPS4885046A (fr) 1973-11-12
GB1424551A (en) 1976-02-11

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Legal Events

Date Code Title Description
ST Notification of lapse