IT961738B - Perfezionamento nei sistemi di identificazione ottica di caratte ri grafici - Google Patents

Perfezionamento nei sistemi di identificazione ottica di caratte ri grafici

Info

Publication number
IT961738B
IT961738B IT51820/72A IT5182072A IT961738B IT 961738 B IT961738 B IT 961738B IT 51820/72 A IT51820/72 A IT 51820/72A IT 5182072 A IT5182072 A IT 5182072A IT 961738 B IT961738 B IT 961738B
Authority
IT
Italy
Prior art keywords
improvement
identification systems
optical identification
graphic characters
graphic
Prior art date
Application number
IT51820/72A
Other languages
English (en)
Inventor
Chester Joseph Borowski Jr
Dale Rodney Duvall
Original Assignee
Recognition Equipment 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
Application filed by Recognition Equipment Inc filed Critical Recognition Equipment Inc
Application granted granted Critical
Publication of IT961738B publication Critical patent/IT961738B/it

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10Character recognition
    • G06V30/16Image preprocessing
    • G06V30/166Normalisation of pattern dimensions
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10Character 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 Discrimination (AREA)
  • Character Input (AREA)
  • Image Analysis (AREA)
IT51820/72A 1971-07-28 1972-07-27 Perfezionamento nei sistemi di identificazione ottica di caratte ri grafici IT961738B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16681171A 1971-07-28 1971-07-28

Publications (1)

Publication Number Publication Date
IT961738B true IT961738B (it) 1973-12-10

Family

ID=22604786

Family Applications (1)

Application Number Title Priority Date Filing Date
IT51820/72A IT961738B (it) 1971-07-28 1972-07-27 Perfezionamento nei sistemi di identificazione ottica di caratte ri grafici

Country Status (9)

Country Link
US (1) US3784981A (it)
JP (1) JPS5759591B1 (it)
CA (1) CA998177A (it)
DE (1) DE2236382C3 (it)
FR (1) FR2147667A5 (it)
GB (1) GB1391520A (it)
IT (1) IT961738B (it)
NL (1) NL7210244A (it)
SE (1) SE387184B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4128830A (en) * 1977-09-26 1978-12-05 International Business Machines Corporation Apparatus for providing a compensation signal for individual light sensors arranged in a predetermined relation
US4499595A (en) * 1981-10-01 1985-02-12 General Electric Co. System and method for pattern recognition
US4532602A (en) * 1982-03-08 1985-07-30 The Mead Corporation Device for electrical variable magnification of document image
US4587621A (en) * 1982-03-08 1986-05-06 The Mead Corporation Device for electrical variable magnification of document image
US4521862A (en) * 1982-03-29 1985-06-04 General Electric Company Serialization of elongated members
US4573200A (en) * 1982-12-27 1986-02-25 International Business Machines Corporation Video normalization for hand print recognition
DE3347478A1 (de) * 1983-12-29 1985-07-11 Computer Gesellschaft Konstanz Mbh, 7750 Konstanz Verfahren und schaltungsanordnung zum verkleinern von schriftzeichen
US4700400A (en) * 1985-10-10 1987-10-13 The Palantir Corporation Feature extraction technique for use in a pattern recognition system
US5170442A (en) * 1987-09-08 1992-12-08 Seiko Epson Corporation Character pattern transforming system
US4977602A (en) * 1989-11-20 1990-12-11 Eastman Kodak Company Character normalization using an elliptical sampling window for optical character recognition
JP3216983B2 (ja) * 1996-02-27 2001-10-09 インターナショナル・ビジネス・マシーンズ・コーポレーション 文字認識装置および文字認識方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3173126A (en) * 1961-11-16 1965-03-09 Control Data Corp Reading machine with core matrix
US3196398A (en) * 1962-05-21 1965-07-20 Ibm Pattern recognition preprocessing techniques
US3189873A (en) * 1962-08-09 1965-06-15 Control Data Corp Scanning pattern normalizer
US3303466A (en) * 1963-03-05 1967-02-07 Control Data Corp Character separating reading machine
US3289164A (en) * 1964-04-29 1966-11-29 Control Data Corp Character normalizing reading machine

Also Published As

Publication number Publication date
GB1391520A (en) 1975-04-23
CA998177A (en) 1976-10-05
DE2236382C3 (de) 1981-04-16
DE2236382A1 (de) 1973-02-08
JPS5759591B1 (it) 1982-12-15
FR2147667A5 (it) 1973-03-09
US3784981A (en) 1974-01-08
NL7210244A (it) 1973-01-30
DE2236382B2 (de) 1980-08-28
SE387184B (sv) 1976-08-30

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