FR2324063A1 - Appareil d'identification optique des caracteres d'ecriture - Google Patents

Appareil d'identification optique des caracteres d'ecriture

Info

Publication number
FR2324063A1
FR2324063A1 FR7627242A FR7627242A FR2324063A1 FR 2324063 A1 FR2324063 A1 FR 2324063A1 FR 7627242 A FR7627242 A FR 7627242A FR 7627242 A FR7627242 A FR 7627242A FR 2324063 A1 FR2324063 A1 FR 2324063A1
Authority
FR
France
Prior art keywords
optical identification
writing characters
characters
writing
identification
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
FR7627242A
Other languages
English (en)
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.)
Plessey Handel und Investments AG
Original Assignee
Plessey Handel und Investments AG
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 Plessey Handel und Investments AG filed Critical Plessey Handel und Investments AG
Publication of FR2324063A1 publication Critical patent/FR2324063A1/fr
Pending legal-status Critical Current

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
    • G06V30/18—Extraction of features or characteristics of the image
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y15/00—Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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; CALCULATING OR 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Molecular Biology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Character Input (AREA)
  • Character Discrimination (AREA)
FR7627242A 1975-09-11 1976-09-10 Appareil d'identification optique des caracteres d'ecriture Pending FR2324063A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB37346/75A GB1554164A (en) 1975-09-11 1975-09-11 Optical character recognition systems

Publications (1)

Publication Number Publication Date
FR2324063A1 true FR2324063A1 (fr) 1977-04-08

Family

ID=10395753

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7627242A Pending FR2324063A1 (fr) 1975-09-11 1976-09-10 Appareil d'identification optique des caracteres d'ecriture

Country Status (8)

Country Link
US (1) US4056804A (fr)
JP (1) JPS5248439A (fr)
AU (1) AU498121B2 (fr)
CA (1) CA1068407A (fr)
DE (1) DE2640677A1 (fr)
FR (1) FR2324063A1 (fr)
GB (1) GB1554164A (fr)
SE (1) SE7609967L (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2397021A1 (fr) * 1977-07-07 1979-02-02 Sumitomo Electric Industries Procede et dispositif de lecture de caracteres

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54132131A (en) * 1978-04-05 1979-10-13 Sumitomo Electric Ind Ltd Optical information reading device
DE2817341C2 (de) * 1978-04-20 1984-01-19 Computer Gesellschaft Konstanz Mbh, 7750 Konstanz Optisches Handlesegerät für die maschinelle Zeichenerkennung
AU533978B2 (en) * 1979-11-16 1983-12-22 Tokyo Electric Co. Ltd. Character reader
US4637718A (en) * 1980-12-09 1987-01-20 The United States Of America As Represented By The United States Department Of Energy Hand-held optical fuel pin scanner
US4376582A (en) * 1980-12-09 1983-03-15 The United States Of America As Represented By The United States Department Of Energy Optical fuel pin scanner
US4402088A (en) * 1981-04-09 1983-08-30 Recognition Equipment Incorporated OCR And bar code reading using area array
US4707747A (en) * 1984-07-13 1987-11-17 Rockwell Iii Marshall A Hand held scanning input device and system
US4742220A (en) * 1984-09-20 1988-05-03 Skan-A-Matic Corp. System for optical scanning over a large depth of field and obtaining high resolution of bar codes
DE4300317A1 (de) * 1993-01-08 1994-07-14 Thomson Brandt Gmbh System zur Programmierung und/oder Eingabe von Informationen

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3519991A (en) * 1967-02-09 1970-07-07 Nippon Electric Co Optical character reading apparatus
US3593287A (en) * 1968-04-18 1971-07-13 Nippon Electric Co Optical character reader embodying detected vertical stroke relocation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1268359A (en) * 1968-07-18 1972-03-29 Plessey Co Ltd Improvements in or relating to assessor circuits
BE791992A (fr) * 1971-11-30 1973-03-16 Licentia Gmbh Procede de centrage d'un caractere introduit dans le dispositifd'identification d'un appareil de reconnaissance de caracteres et montage permettant la mise en oeuvre de ce procede
US3976973A (en) * 1974-01-07 1976-08-24 Recognition Equipment Incorporated Horizontal scan vertical simulation character reading

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3519991A (en) * 1967-02-09 1970-07-07 Nippon Electric Co Optical character reading apparatus
US3593287A (en) * 1968-04-18 1971-07-13 Nippon Electric Co Optical character reader embodying detected vertical stroke relocation

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
EXBK/62 *
EXBK/63 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2397021A1 (fr) * 1977-07-07 1979-02-02 Sumitomo Electric Industries Procede et dispositif de lecture de caracteres

Also Published As

Publication number Publication date
SE7609967L (sv) 1977-03-12
AU498121B2 (en) 1979-02-08
CA1068407A (fr) 1979-12-18
GB1554164A (en) 1979-10-17
JPS5248439A (en) 1977-04-18
DE2640677A1 (de) 1977-03-17
US4056804A (en) 1977-11-01
AU1759576A (en) 1978-03-16

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