NL8006241A - Inrichting voor het automatisch lezen van tekens. - Google Patents

Inrichting voor het automatisch lezen van tekens. Download PDF

Info

Publication number
NL8006241A
NL8006241A NL8006241A NL8006241A NL8006241A NL 8006241 A NL8006241 A NL 8006241A NL 8006241 A NL8006241 A NL 8006241A NL 8006241 A NL8006241 A NL 8006241A NL 8006241 A NL8006241 A NL 8006241A
Authority
NL
Netherlands
Prior art keywords
image
memory
information
pixels
images
Prior art date
Application number
NL8006241A
Other languages
English (en)
Dutch (nl)
Original Assignee
Nederlanden Staat
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 Nederlanden Staat filed Critical Nederlanden Staat
Priority to NL8006241A priority Critical patent/NL8006241A/nl
Priority to EP81201231A priority patent/EP0052400B1/en
Priority to DE8181201231T priority patent/DE3165706D1/de
Priority to CA000389752A priority patent/CA1177964A/en
Priority to US06/319,206 priority patent/US4461029A/en
Priority to JP56181280A priority patent/JPS57111780A/ja
Publication of NL8006241A publication Critical patent/NL8006241A/nl

Links

Classifications

    • 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
    • G06V10/10—Image acquisition
    • 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
    • G06V10/24—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
    • G06V10/26—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
    • G06V10/20—Image preprocessing
    • G06V10/34—Smoothing or thinning of the pattern; Morphological operations; Skeletonisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Character Input (AREA)
NL8006241A 1980-11-14 1980-11-14 Inrichting voor het automatisch lezen van tekens. NL8006241A (nl)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NL8006241A NL8006241A (nl) 1980-11-14 1980-11-14 Inrichting voor het automatisch lezen van tekens.
EP81201231A EP0052400B1 (en) 1980-11-14 1981-10-30 Automatic character-reading device
DE8181201231T DE3165706D1 (en) 1980-11-14 1981-10-30 Automatic character-reading device
CA000389752A CA1177964A (en) 1980-11-14 1981-11-09 Automatic character-reading device
US06/319,206 US4461029A (en) 1980-11-14 1981-11-09 Automatic handwritten and typewritten character-reading device
JP56181280A JPS57111780A (en) 1980-11-14 1981-11-13 Automatic character reading device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8006241A NL8006241A (nl) 1980-11-14 1980-11-14 Inrichting voor het automatisch lezen van tekens.
NL8006241 1980-11-14

Publications (1)

Publication Number Publication Date
NL8006241A true NL8006241A (nl) 1982-06-01

Family

ID=19836182

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8006241A NL8006241A (nl) 1980-11-14 1980-11-14 Inrichting voor het automatisch lezen van tekens.

Country Status (6)

Country Link
US (1) US4461029A (cs)
EP (1) EP0052400B1 (cs)
JP (1) JPS57111780A (cs)
CA (1) CA1177964A (cs)
DE (1) DE3165706D1 (cs)
NL (1) NL8006241A (cs)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6180374A (ja) * 1984-09-21 1986-04-23 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション 可変走査領域による細線化処理の方法及び装置
US5097517A (en) * 1987-03-17 1992-03-17 Holt Arthur W Method and apparatus for processing bank checks, drafts and like financial documents
US4837842A (en) * 1986-09-19 1989-06-06 Holt Arthur W Character and pattern recognition machine and method
US4817179A (en) * 1986-12-29 1989-03-28 Scan-Optics, Inc. Digital image enhancement methods and apparatus
US5125039A (en) * 1989-06-16 1992-06-23 Hawkins Jeffrey C Object recognition system
US5216725A (en) * 1990-10-31 1993-06-01 Environmental Research Institute Of Michigan Apparatus and method for separating handwritten characters by line and word
US5142589A (en) * 1990-12-21 1992-08-25 Environmental Research Institute Of Michigan Method for repairing images for optical character recognition performing different repair operations based on measured image characteristics
US5237628A (en) * 1991-06-03 1993-08-17 Nynex Corporation System and method for automatic optical data entry
US5325447A (en) * 1991-10-02 1994-06-28 Environmental Research Institute Of Michigan Handwritten digit normalization method
EP0571913B1 (en) * 1992-05-26 1999-08-04 United Parcel Service Of America, Inc. Method and system for target image acquisition
US5327171A (en) * 1992-05-26 1994-07-05 United Parcel Service Of America, Inc. Camera system optics
US5308960A (en) * 1992-05-26 1994-05-03 United Parcel Service Of America, Inc. Combined camera system
ES2139612T3 (es) * 1992-05-26 2000-02-16 United Parcel Service Inc Sistema de lectura por camara para codigos multiples.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2073822A5 (cs) * 1969-12-31 1971-10-01 Ibm
US3895350A (en) * 1970-03-26 1975-07-15 Philips Corp Method of and device for recognition of characters
CH531218A (de) * 1970-11-13 1972-11-30 Turlabor Ag Verfahren zur optischen Erkennung von Zeichen
JPS5118286B1 (cs) * 1971-07-21 1976-06-09
NL144071B (nl) * 1971-07-22 1974-11-15 Nederlanden Staat Inrichting voor het lezen en gecombineerd machinaal en met de hand verwerken van tekens.
NL160408C (nl) * 1973-02-21 1979-10-15 Nederlanden Staat Inrichting voor het lezen van tekens, bij voorkeur van cijfers.
CH591726A5 (cs) * 1973-07-30 1977-09-30 Nederlanden Staat
NL165863C (nl) * 1975-06-02 1981-05-15 Nederlanden Staat Inrichting voor het herkennen van tekens.
US4162482A (en) * 1977-12-07 1979-07-24 Burroughs Corporation Pre-processing and feature extraction system for character recognition

Also Published As

Publication number Publication date
JPS626272B2 (cs) 1987-02-09
US4461029A (en) 1984-07-17
EP0052400A1 (en) 1982-05-26
JPS57111780A (en) 1982-07-12
EP0052400B1 (en) 1984-08-22
CA1177964A (en) 1984-11-13
DE3165706D1 (en) 1984-09-27

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Legal Events

Date Code Title Description
A1B A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed