CH529385A - Segmentierungs-Vorrichtung für optische Zeichenleser - Google Patents

Segmentierungs-Vorrichtung für optische Zeichenleser

Info

Publication number
CH529385A
CH529385A CH1329171A CH1329171A CH529385A CH 529385 A CH529385 A CH 529385A CH 1329171 A CH1329171 A CH 1329171A CH 1329171 A CH1329171 A CH 1329171A CH 529385 A CH529385 A CH 529385A
Authority
CH
Switzerland
Prior art keywords
optical character
segmentation device
character readers
readers
segmentation
Prior art date
Application number
CH1329171A
Other languages
English (en)
Inventor
Baumgartner Richard
L Lovgren Jeffrey
W Mccullough John
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of CH529385A publication Critical patent/CH529385A/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06V30/14—Image acquisition
    • G06V30/148—Segmentation of character regions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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)
  • Character Input (AREA)
CH1329171A 1970-09-25 1971-09-10 Segmentierungs-Vorrichtung für optische Zeichenleser CH529385A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7551370A 1970-09-25 1970-09-25

Publications (1)

Publication Number Publication Date
CH529385A true CH529385A (de) 1972-10-15

Family

ID=22126261

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1329171A CH529385A (de) 1970-09-25 1971-09-10 Segmentierungs-Vorrichtung für optische Zeichenleser

Country Status (7)

Country Link
US (1) US3662341A (de)
JP (1) JPS514888B1 (de)
CA (1) CA930866A (de)
CH (1) CH529385A (de)
DE (1) DE2146497C3 (de)
FR (1) FR2105823A5 (de)
GB (1) GB1337159A (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2211814B1 (de) * 1972-12-26 1976-06-25 Ibm
US3918049A (en) * 1972-12-26 1975-11-04 Ibm Thresholder for analog signals
US4206442A (en) * 1974-07-03 1980-06-03 Nippon Electric Co., Ltd. Letter segmenting apparatus for OCR comprising multi-level segmentor operable when binary segmenting fails
DE2706080C2 (de) * 1977-02-12 1986-10-23 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zur adaptiven Quantisierung von Transformationskoeffizienten eines Bildes und Anordnung zum Durchführen des Verfahrens
GB2044500B (en) * 1979-03-16 1983-03-16 Hajime Industries Signal processing counting apparatus
US4576482A (en) * 1979-09-07 1986-03-18 Diffracto Ltd. Electro-optical inspection
US4875776A (en) * 1979-09-07 1989-10-24 Diffracto Ltd. Electro-optical inspection
DE3019836A1 (de) * 1980-05-23 1982-01-21 Siemens AG, 1000 Berlin und 8000 München Verfahren zum automatischen erkennen von bild- und text- oder graphikbereichen auf druckvorlagen
US4381494A (en) * 1980-10-06 1983-04-26 Burroughs Corporation Intercharacter gap detector for MICRS
IT1201920B (it) * 1982-03-22 1989-02-02 Olivetti & Co Spa Apparecchiatura per la scansione ed il trattamento numerico di immagini con mezzi toni
DE3426056A1 (de) * 1983-07-16 1985-01-24 Leicester Polytechnic, Leicester Verfahren und vorrichtung zur kontrolle von textilien
GB8331248D0 (en) * 1983-11-23 1983-12-29 Kearney & Trecker Marwin Ltd Inspecting articles
JPS6274181A (ja) * 1985-09-27 1987-04-04 Sony Corp 文字認識装置
JP2822189B2 (ja) * 1988-05-19 1998-11-11 ソニー株式会社 文字認識装置及び方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3526876A (en) * 1965-10-24 1970-09-01 Ibm Character separation apparatus for character recognition machines
US3500324A (en) * 1966-07-27 1970-03-10 Ibm Analog segmentation apparatus
US3534334A (en) * 1967-06-20 1970-10-13 Ibm Automatic control of a threshold in the digitization of an analog signal

Also Published As

Publication number Publication date
DE2146497C3 (de) 1979-02-15
DE2146497A1 (de) 1972-03-30
US3662341A (en) 1972-05-09
FR2105823A5 (de) 1972-04-28
CA930866A (en) 1973-07-24
GB1337159A (en) 1973-11-14
DE2146497B2 (de) 1978-06-08
JPS514888B1 (de) 1976-02-16

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Legal Events

Date Code Title Description
PL Patent ceased