DE2321823A1 - Verfahren und vorrichtung zur identifizierung vorgelegter zeichen - Google Patents

Verfahren und vorrichtung zur identifizierung vorgelegter zeichen

Info

Publication number
DE2321823A1
DE2321823A1 DE2321823A DE2321823A DE2321823A1 DE 2321823 A1 DE2321823 A1 DE 2321823A1 DE 2321823 A DE2321823 A DE 2321823A DE 2321823 A DE2321823 A DE 2321823A DE 2321823 A1 DE2321823 A1 DE 2321823A1
Authority
DE
Germany
Prior art keywords
binary
character
line
predetermined
presented
Prior art date
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.)
Pending
Application number
DE2321823A
Other languages
German (de)
English (en)
Inventor
William Robert Beall
Jun Arthur F Hermann
Gary J Murphy
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.)
Input Business Machines Inc
Original Assignee
Input Business Machines 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 Input Business Machines Inc filed Critical Input Business Machines Inc
Publication of DE2321823A1 publication Critical patent/DE2321823A1/de
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/10—Pre-processing; Data cleansing
    • G06F18/15—Statistical pre-processing, e.g. techniques for normalisation or restoring missing data
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/24—Aligning, centring, orientation detection or correction of the image
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
    • G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries

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)
  • Evolutionary Computation (AREA)
  • General Health & Medical Sciences (AREA)
  • Probability & Statistics with Applications (AREA)
  • Databases & Information Systems (AREA)
  • Health & Medical Sciences (AREA)
  • Quality & Reliability (AREA)
  • Medical Informatics (AREA)
  • Software Systems (AREA)
  • Computing Systems (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Data Mining & Analysis (AREA)
  • Evolutionary Biology (AREA)
  • General Engineering & Computer Science (AREA)
  • Character Discrimination (AREA)
  • Character Input (AREA)
DE2321823A 1972-05-02 1973-04-30 Verfahren und vorrichtung zur identifizierung vorgelegter zeichen Pending DE2321823A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00249511A US3840856A (en) 1972-05-02 1972-05-02 Character recognition techniques

Publications (1)

Publication Number Publication Date
DE2321823A1 true DE2321823A1 (de) 1973-11-15

Family

ID=22943769

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2321823A Pending DE2321823A1 (de) 1972-05-02 1973-04-30 Verfahren und vorrichtung zur identifizierung vorgelegter zeichen

Country Status (4)

Country Link
US (1) US3840856A (enExample)
JP (1) JPS4956539A (enExample)
DE (1) DE2321823A1 (enExample)
GB (1) GB1430145A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2833942A1 (de) * 1978-08-02 1980-02-14 Computer Ges Konstanz Verfahren und einrichtung zum automatischen erkennen von handschriftlichen markierungen

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4063219A (en) * 1976-12-27 1977-12-13 Burroughs Corporation Character recognition system
GB2002159B (en) * 1977-07-07 1982-01-13 Sumitomo Electric Industries Character reading system
US4453268A (en) * 1981-03-18 1984-06-05 Lundy Electronics & Systems, Inc. OCR Page reader
US4490852A (en) * 1981-11-17 1984-12-25 Ncr Corporation Image capturing apparatus
US4876730A (en) * 1987-02-25 1989-10-24 Lundy Electronics & Systems, Inc. Optical character reader with skew recognition
US11567549B2 (en) * 2019-05-31 2023-01-31 Texas Instruments Incorporated Reset circuit for battery management system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2833942A1 (de) * 1978-08-02 1980-02-14 Computer Ges Konstanz Verfahren und einrichtung zum automatischen erkennen von handschriftlichen markierungen

Also Published As

Publication number Publication date
JPS4956539A (enExample) 1974-06-01
GB1430145A (en) 1976-03-31
US3840856A (en) 1974-10-08

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