FR2089790A5 - - Google Patents

Info

Publication number
FR2089790A5
FR2089790A5 FR7113571A FR7113571A FR2089790A5 FR 2089790 A5 FR2089790 A5 FR 2089790A5 FR 7113571 A FR7113571 A FR 7113571A FR 7113571 A FR7113571 A FR 7113571A FR 2089790 A5 FR2089790 A5 FR 2089790A5
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
FR7113571A
Other languages
French (fr)
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.)
Olivetti SpA
Original Assignee
Olivetti SpA
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 Olivetti SpA filed Critical Olivetti SpA
Application granted granted Critical
Publication of FR2089790A5 publication Critical patent/FR2089790A5/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06V30/18—Extraction of features or characteristics of the image
    • G06V30/1801—Detecting partial patterns, e.g. edges or contours, or configurations, e.g. loops, corners, strokes or intersections
    • G06V30/18076—Detecting partial patterns, e.g. edges or contours, or configurations, e.g. loops, corners, strokes or intersections by analysing connectivity, e.g. edge linking, connected component analysis or slices
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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)
  • Tests Of Electronic Circuits (AREA)
  • Character Input (AREA)
  • Image Analysis (AREA)
FR7113571A 1970-04-16 1971-04-16 Expired FR2089790A5 (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT6828470 1970-04-16

Publications (1)

Publication Number Publication Date
FR2089790A5 true FR2089790A5 (OSRAM) 1972-01-07

Family

ID=11308828

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7113571A Expired FR2089790A5 (OSRAM) 1970-04-16 1971-04-16

Country Status (4)

Country Link
US (1) US3860909A (OSRAM)
DE (1) DE2119555A1 (OSRAM)
FR (1) FR2089790A5 (OSRAM)
GB (1) GB1311030A (OSRAM)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5242028A (en) * 1975-09-29 1977-04-01 Fujitsu Ltd Letter recognition system
US4105998A (en) * 1976-03-30 1978-08-08 Fujitsu Limited Pattern recognition processing system
FR2599205B1 (fr) * 1981-11-27 1990-08-24 Thomson Csf Procede recursif de caracterisation de zones isotropes dans une image video; dispositif detecteur de mouvement et detecteur de bruit dans une sequence d'images
GB2152658A (en) * 1984-01-09 1985-08-07 Philips Electronic Associated Object sorting system
US5164996A (en) * 1986-04-07 1992-11-17 Jose Pastor Optical character recognition by detecting geo features
US4745633A (en) * 1986-08-18 1988-05-17 Peter Waksman Optical image encoding and comparing using scan autocorrelation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3293604A (en) * 1963-01-25 1966-12-20 Rca Corp Character recognition system utilizing asynchronous zoning of characters
US3271761A (en) * 1963-11-29 1966-09-06 Ibm Curvature and shape detection
US3274551A (en) * 1963-12-23 1966-09-20 Ibm Pattern recognition by contour sequences
GB1171627A (en) * 1966-10-07 1969-11-26 Post Office Improvements in or relating to Character Recognition Machines

Also Published As

Publication number Publication date
US3860909A (en) 1975-01-14
DE2119555A1 (de) 1971-10-28
GB1311030A (en) 1973-03-21

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Legal Events

Date Code Title Description
ST Notification of lapse