AT384685B - Optisches handlesegeraet fuer maschinelle zeichenerkennung - Google Patents

Optisches handlesegeraet fuer maschinelle zeichenerkennung

Info

Publication number
AT384685B
AT384685B AT0295879A AT295879A AT384685B AT 384685 B AT384685 B AT 384685B AT 0295879 A AT0295879 A AT 0295879A AT 295879 A AT295879 A AT 295879A AT 384685 B AT384685 B AT 384685B
Authority
AT
Austria
Prior art keywords
character recognition
mechanical character
optical hand
hand reader
reader
Prior art date
Application number
AT0295879A
Other languages
English (en)
Other versions
ATA295879A (de
Original Assignee
Computer Ges Konstanz
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 Computer Ges Konstanz filed Critical Computer Ges Konstanz
Publication of ATA295879A publication Critical patent/ATA295879A/de
Application granted granted Critical
Publication of AT384685B publication Critical patent/AT384685B/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06V30/32—Digital ink
    • G06V30/333—Preprocessing; Feature extraction
    • 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
    • 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
    • G06V10/26—Segmentation of patterns in the image field; Cutting or merging of image elements to establish the pattern region, e.g. clustering-based techniques; Detection of occlusion
    • 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)
  • Computing Systems (AREA)
  • Artificial Intelligence (AREA)
  • Health & Medical Sciences (AREA)
  • Databases & Information Systems (AREA)
  • Evolutionary Computation (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Software Systems (AREA)
  • Character Input (AREA)
  • Character Discrimination (AREA)
AT0295879A 1978-04-20 1979-04-19 Optisches handlesegeraet fuer maschinelle zeichenerkennung AT384685B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2817341A DE2817341C2 (de) 1978-04-20 1978-04-20 Optisches Handlesegerät für die maschinelle Zeichenerkennung

Publications (2)

Publication Number Publication Date
ATA295879A ATA295879A (de) 1987-05-15
AT384685B true AT384685B (de) 1987-12-28

Family

ID=6037604

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0295879A AT384685B (de) 1978-04-20 1979-04-19 Optisches handlesegeraet fuer maschinelle zeichenerkennung

Country Status (9)

Country Link
US (1) US4246570A (de)
AT (1) AT384685B (de)
BE (1) BE875742A (de)
CH (1) CH646805A5 (de)
DE (1) DE2817341C2 (de)
FR (1) FR2423828B1 (de)
GB (1) GB2020468B (de)
IT (1) IT1112232B (de)
NL (1) NL7903073A (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3026055C2 (de) * 1980-07-09 1984-01-12 Computer Gesellschaft Konstanz Mbh, 7750 Konstanz Schaltungsanordnung zur maschinellen Zeichererkennung
DE3034099A1 (de) * 1980-09-10 1982-05-19 Computer Gesellschaft Konstanz Mbh, 7750 Konstanz Verfahren und schaltungsanordnung zur segmentierung von zeichen aus einer seriell gelesenen zeichenfolge
DE3128794A1 (de) * 1981-07-21 1983-05-05 Siemens AG, 1000 Berlin und 8000 München Verfahren zum auffinden und abgrenzen von buchstaben und buchstabengruppen oder woertern in textbereichen einer vorlage, die ausser textbereichen auch graphik-und/oder bildbereiche enthalten kann.
DE3214621A1 (de) * 1982-04-20 1983-10-20 Siemens AG, 1000 Berlin und 8000 München Kombiniertes optisches handlesegeraet fuer maschinelle zeichenerkennung mit integriertem optischen system
DE3244307A1 (de) * 1982-11-30 1984-05-30 Siemens AG, 1000 Berlin und 8000 München Robotersteuerung
JPH07120389B2 (ja) * 1986-02-28 1995-12-20 住友電気工業株式会社 光学的文字読取装置
RU2148274C1 (ru) * 1998-08-17 2000-04-27 Пензенский научно-исследовательский электротехнический институт Способ идентификации личности по особенностям подписи
US7305132B2 (en) * 2003-11-19 2007-12-04 Mitsubishi Electric Research Laboratories, Inc. Classification in likelihood spaces

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3947817A (en) * 1974-01-07 1976-03-30 Recognition Equipment Incorporated Hand operated optical character recognition wand
GB1554164A (en) * 1975-09-11 1979-10-17 Plessey Co Ltd Optical character recognition systems
US4088981A (en) * 1975-11-12 1978-05-09 Citibank N.A. Automated data entry and display system
DE2555466C2 (de) * 1975-12-10 1984-09-13 Recognition Equipment Inc., Irving, Tex. Vorrichtung zum Lesen von alphanumerischen Zeichen
US4104616A (en) * 1976-01-28 1978-08-01 Sumitomo Electric Industries, Ltd. Hand operated optical character recognition system
DE2619014A1 (de) * 1976-04-30 1977-11-10 Computer Ges Konstanz Verfahren fuer die maschinelle zeichenerkennung mittels schaetzwert-polynomen
US4118687A (en) * 1976-10-04 1978-10-03 Recognition Equipment Incorporated Portable OCR system
US4115703A (en) * 1976-11-08 1978-09-19 Monarch Marking Systems, Inc. Hand held optical reading device
US4158194A (en) * 1976-12-27 1979-06-12 Recognition Equipment Incorporated Optical recognition system

Also Published As

Publication number Publication date
US4246570A (en) 1981-01-20
IT1112232B (it) 1986-01-13
GB2020468B (en) 1984-02-01
DE2817341A1 (de) 1979-10-25
GB2020468A (en) 1979-11-14
BE875742A (fr) 1979-10-22
DE2817341C2 (de) 1984-01-19
NL7903073A (nl) 1979-10-23
FR2423828B1 (fr) 1986-04-18
CH646805A5 (de) 1984-12-14
IT7921746A0 (it) 1979-04-11
FR2423828A1 (fr) 1979-11-16
ATA295879A (de) 1987-05-15

Similar Documents

Publication Publication Date Title
IT1111936B (it) Lettore ottico
GB2018483B (en) Optical information reading device
IT1122995B (it) Dispositivo ottico di illuminazione
SE7808338L (sv) Kontaktlins
DK146307C (da) Optisk koblingselement
ES242327Y (es) Un acoplamiento optico
AT387096B (de) Optischer wellenleiter
IT1121782B (it) Dispositivo meccanico di disincrostazione
BR7901781A (pt) Dispositivo otico
ATE3125T1 (de) Optischer abtaster.
JPS556697A (en) Optical read device
DE3786472D1 (de) Vorrichtung fuer optische zeichenerkennung.
JPS5599682A (en) Optical character reader
SE7805414L (sv) Optisk teckenlesare
AT384685B (de) Optisches handlesegeraet fuer maschinelle zeichenerkennung
MX147761A (es) Mejoras a lector optico de tarjetas
DK439779A (da) Personidentifikationskort
AT384682B (de) Objektiv
SE7908559L (sv) Stabiliserad optisk anordning
BR7905873A (pt) Leitora optica de limiar adaptativo e leitora de cartoes optica adaptativa
AT379264B (de) Einrichtung zur teilnehmererkennung
JPS5496327A (en) Optical reader
IT1121563B (it) Dispositivo di scansione
GB2029981B (en) Parallel optical scanning device
JPS5496326A (en) Optical reader

Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee