SE427511B - Anleggning for automatisk teckenlesning medelst ett tvadimensionellt avlesningsfelt - Google Patents

Anleggning for automatisk teckenlesning medelst ett tvadimensionellt avlesningsfelt

Info

Publication number
SE427511B
SE427511B SE7502837A SE7502837A SE427511B SE 427511 B SE427511 B SE 427511B SE 7502837 A SE7502837 A SE 7502837A SE 7502837 A SE7502837 A SE 7502837A SE 427511 B SE427511 B SE 427511B
Authority
SE
Sweden
Prior art keywords
reading
installation
dimensional
automatic sign
field
Prior art date
Application number
SE7502837A
Other languages
English (en)
Swedish (sv)
Other versions
SE7502837L (sv
Inventor
L L Hilley
M W Neff
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
Publication of SE7502837L publication Critical patent/SE7502837L/
Publication of SE427511B publication Critical patent/SE427511B/xx

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
    • G06V10/98—Detection or correction of errors, e.g. by rescanning the pattern or by human intervention; Evaluation of the quality of the acquired 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/42—Global feature extraction by analysis of the whole pattern, e.g. using frequency domain transformations or autocorrelation
    • G06V10/421—Global feature extraction by analysis of the whole pattern, e.g. using frequency domain transformations or autocorrelation by analysing segments intersecting the pattern

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Quality & Reliability (AREA)
  • Character Discrimination (AREA)
  • Image Analysis (AREA)
  • Character Input (AREA)
SE7502837A 1974-09-13 1975-03-13 Anleggning for automatisk teckenlesning medelst ett tvadimensionellt avlesningsfelt SE427511B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/505,931 US4075605A (en) 1974-09-13 1974-09-13 Character recognition unit

Publications (2)

Publication Number Publication Date
SE7502837L SE7502837L (sv) 1976-03-15
SE427511B true SE427511B (sv) 1983-04-11

Family

ID=24012474

Family Applications (3)

Application Number Title Priority Date Filing Date
SE7502837A SE427511B (sv) 1974-09-13 1975-03-13 Anleggning for automatisk teckenlesning medelst ett tvadimensionellt avlesningsfelt
SE7900992A SE7900992L (sv) 1974-09-13 1979-02-05 Anleggning for automatisk teckenlesning
SE7900991A SE7900991L (sv) 1974-09-13 1979-02-05 Anleggning for automatisk teckenlesning

Family Applications After (2)

Application Number Title Priority Date Filing Date
SE7900992A SE7900992L (sv) 1974-09-13 1979-02-05 Anleggning for automatisk teckenlesning
SE7900991A SE7900991L (sv) 1974-09-13 1979-02-05 Anleggning for automatisk teckenlesning

Country Status (9)

Country Link
US (1) US4075605A (ja)
JP (1) JPS6156553B2 (ja)
BE (1) BE831012A (ja)
DE (1) DE2540101C2 (ja)
FR (1) FR2284932A1 (ja)
GB (1) GB1498221A (ja)
IT (1) IT1035144B (ja)
NL (1) NL175471C (ja)
SE (3) SE427511B (ja)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52137939A (en) * 1976-05-14 1977-11-17 Toshiba Corp Patrern reading device
US4200393A (en) * 1976-06-07 1980-04-29 Tokyo Shibaura Elecric Co., Ltd. Method of positioning a semiconductor member by examining it and a die bonding apparatus using the same
JPS53102634A (en) * 1977-02-18 1978-09-07 Toshiba Corp Optical character reader
US4087790A (en) * 1977-08-22 1978-05-02 Recognition Equipment Incorporated Character presence processor
US4180799A (en) * 1978-04-21 1979-12-25 Caere Corporation Apparatus and method for recognizing characters
JPS54163331U (ja) * 1978-05-09 1979-11-15
US4326190A (en) * 1978-08-30 1982-04-20 Borland David L Boundary trace slope feature detection system
SE422714B (sv) * 1979-01-16 1982-03-22 Ibm Svenska Ab Anordning med styrdator for optisk teckenlosning, vilken styrdator bl a bereknar startpunkter for identifiering av ett tecken
CA1164086A (en) * 1979-04-23 1984-03-20 Recognition Equipment Incorporated Image processing integrated circuit
US4514815A (en) * 1979-07-27 1985-04-30 Honeywell Information Systems Inc. Computerized system and method of material control
AU533978B2 (en) * 1979-11-16 1983-12-22 Tokyo Electric Co. Ltd. Character reader
US4499595A (en) * 1981-10-01 1985-02-12 General Electric Co. System and method for pattern recognition
JPS5975375A (ja) * 1982-10-21 1984-04-28 Sumitomo Electric Ind Ltd 文字認識装置
US4551850A (en) * 1983-02-07 1985-11-05 Pattern Processing Technologies, Inc. Response detector for pattern processing system
JPH0634236B2 (ja) * 1985-11-02 1994-05-02 日本放送協会 階層型情報処理方法
JPH02500062A (ja) * 1986-09-18 1990-01-11 ハドソン‐アレン　リミテッド ２進記憶媒体読取り用センサ信号のディジタル処理
US4876730A (en) * 1987-02-25 1989-10-24 Lundy Electronics & Systems, Inc. Optical character reader with skew recognition
JPH07104909B2 (ja) * 1987-03-04 1995-11-13 シャープ株式会社 文字認識方法
US5119441A (en) * 1989-03-28 1992-06-02 Ricoh Company, Ltd. Optical character recognition apparatus and method using masks operation
US5875264A (en) * 1993-12-03 1999-02-23 Kaman Sciences Corporation Pixel hashing image recognition system
US6594503B1 (en) 2000-02-02 2003-07-15 Motorola, Inc. Communication device with dial function using optical character recognition, and method
US7392287B2 (en) * 2001-03-27 2008-06-24 Hemisphere Ii Investment Lp Method and apparatus for sharing information using a handheld device
US8091784B1 (en) 2005-03-09 2012-01-10 Diebold, Incorporated Banking system controlled responsive to data bearing records
JP5098504B2 (ja) * 2007-08-09 2012-12-12 富士通株式会社 文字認識プログラム、文字認識装置および文字認識方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3072886A (en) * 1956-04-02 1963-01-08 Ibm Apparatus for analyzing intelligence manifestations
NL128938C (ja) * 1957-12-23
US3585592A (en) * 1968-02-29 1971-06-15 Nippon Electric Co Character recognition system with character edge detection capability
USB618016I5 (ja) * 1968-11-29
US3573730A (en) * 1969-10-15 1971-04-06 Ibm Stored logic recognition device
US3755780A (en) * 1971-06-28 1973-08-28 Pattern Analysis & Recognition Method for recognizing characters
US3873972A (en) * 1971-11-01 1975-03-25 Theodore H Levine Analytic character recognition system
FR2191788A5 (ja) * 1972-06-30 1974-02-01 Honeywell Bull
US3868635A (en) * 1972-12-15 1975-02-25 Optical Recognition Systems Feature enhancement character recognition system
US3909785A (en) * 1973-11-12 1975-09-30 Amperex Electronic Corp Apparatus for recognizing hand printed characters
US3930229A (en) * 1974-01-31 1975-12-30 Stanford Research Inst Handwriting system

Also Published As

Publication number Publication date
FR2284932B1 (ja) 1982-03-05
US4075605A (en) 1978-02-21
SE7900991L (sv) 1979-02-05
NL175471C (nl) 1984-11-01
SE7900992L (sv) 1979-02-05
SE7502837L (sv) 1976-03-15
GB1498221A (en) 1978-01-18
JPS6156553B2 (ja) 1986-12-03
NL7504413A (nl) 1976-03-16
BE831012A (fr) 1976-01-05
FR2284932A1 (fr) 1976-04-09
NL175471B (nl) 1984-06-01
IT1035144B (it) 1979-10-20
DE2540101A1 (de) 1976-03-25
DE2540101C2 (de) 1984-04-12
JPS5138933A (ja) 1976-03-31

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