CA1062810A - Regional context maximum likelihood ocr error correction apparatus - Google Patents

Regional context maximum likelihood ocr error correction apparatus

Info

Publication number
CA1062810A
CA1062810A CA221,755A CA221755A CA1062810A CA 1062810 A CA1062810 A CA 1062810A CA 221755 A CA221755 A CA 221755A CA 1062810 A CA1062810 A CA 1062810A
Authority
CA
Canada
Prior art keywords
character
word
error
probability
storage means
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.)
Expired
Application number
CA221,755A
Other languages
English (en)
French (fr)
Other versions
CA221755S (en
Inventor
Walter S. Rosenbaum
Jean M. Ciconte
Allen H. Ett
John J. Hilliard
Ellen W. Bollinger
Anne M. Chaires
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA1062810A publication Critical patent/CA1062810A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F40/00—Handling natural language data
    • G06F40/20—Natural language analysis
    • G06F40/232—Orthographic correction, e.g. spell checking or vowelisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Artificial Intelligence (AREA)
  • General Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Character Discrimination (AREA)
  • Machine Translation (AREA)
  • Document Processing Apparatus (AREA)
CA221,755A 1974-04-10 1975-03-10 Regional context maximum likelihood ocr error correction apparatus Expired CA1062810A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US45982074A 1974-04-10 1974-04-10

Publications (1)

Publication Number Publication Date
CA1062810A true CA1062810A (en) 1979-09-18

Family

ID=23826267

Family Applications (1)

Application Number Title Priority Date Filing Date
CA221,755A Expired CA1062810A (en) 1974-04-10 1975-03-10 Regional context maximum likelihood ocr error correction apparatus

Country Status (8)

Country Link
JP (1) JPS5521384B2 (en, 2012)
BE (1) BE824366A (en, 2012)
CA (1) CA1062810A (en, 2012)
DE (1) DE2460757C2 (en, 2012)
FR (1) FR2267590B1 (en, 2012)
GB (1) GB1454148A (en, 2012)
IT (1) IT1033223B (en, 2012)
NL (1) NL7503946A (en, 2012)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4201881A (en) * 1979-03-28 1980-05-06 Wisconsin Alumni Research Foundation 24,24-Difluoro-1α,25-dihydroxycholecalciferol
JPS6055866B2 (ja) * 1983-05-09 1985-12-06 株式会社日立製作所 文字認識装置
JPS6274181A (ja) * 1985-09-27 1987-04-04 Sony Corp 文字認識装置
JPS6297081A (ja) * 1986-10-08 1987-05-06 Hitachi Ltd 文字認識装置
JPH01167469U (en, 2012) * 1988-05-14 1989-11-24
JPH01176171U (en, 2012) * 1988-06-03 1989-12-15
GB2289969A (en) * 1994-05-24 1995-12-06 Ibm Character segmentation

Also Published As

Publication number Publication date
BE824366A (fr) 1975-05-02
DE2460757C2 (de) 1983-08-18
JPS5521384B2 (en, 2012) 1980-06-09
FR2267590A1 (en, 2012) 1975-11-07
IT1033223B (it) 1979-07-10
FR2267590B1 (en, 2012) 1977-05-20
DE2460757A1 (de) 1975-10-23
NL7503946A (nl) 1975-10-14
JPS50137037A (en, 2012) 1975-10-30
GB1454148A (en) 1976-10-27

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