FR2279164A1 - Tableau en rosette de convertisseurs photoelectriques et appareil de reconnaissance de caracteres utilisant ladite rosette - Google Patents

Tableau en rosette de convertisseurs photoelectriques et appareil de reconnaissance de caracteres utilisant ladite rosette

Info

Publication number
FR2279164A1
FR2279164A1 FR7430683A FR7430683A FR2279164A1 FR 2279164 A1 FR2279164 A1 FR 2279164A1 FR 7430683 A FR7430683 A FR 7430683A FR 7430683 A FR7430683 A FR 7430683A FR 2279164 A1 FR2279164 A1 FR 2279164A1
Authority
FR
France
Prior art keywords
rosette
recognition device
character recognition
photoelectric converters
converters
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.)
Granted
Application number
FR7430683A
Other languages
English (en)
French (fr)
Other versions
FR2279164B1 (de
Inventor
Hain Van Steenis
Van Steenis Hain
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
Publication of FR2279164A1 publication Critical patent/FR2279164A1/fr
Application granted granted Critical
Publication of FR2279164B1 publication Critical patent/FR2279164B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10841—Particularities of the light-sensitive elements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • 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
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/14—Image acquisition
    • G06V30/146—Aligning or centring of the image pick-up or image-field
    • 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
    • G06V30/16—Image preprocessing
    • G06V30/162—Quantising the image signal
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Character Input (AREA)
  • Character Discrimination (AREA)
FR7430683A 1973-10-22 1974-09-05 Tableau en rosette de convertisseurs photoelectriques et appareil de reconnaissance de caracteres utilisant ladite rosette Granted FR2279164A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7314469A NL7314469A (nl) 1973-10-22 1973-10-22 Rozet-rangschikking van foto-elektrische om- zetters, en tekenleesstelsel dat de rozet ge- bruikt.

Publications (2)

Publication Number Publication Date
FR2279164A1 true FR2279164A1 (fr) 1976-02-13
FR2279164B1 FR2279164B1 (de) 1979-01-05

Family

ID=19819858

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7430683A Granted FR2279164A1 (fr) 1973-10-22 1974-09-05 Tableau en rosette de convertisseurs photoelectriques et appareil de reconnaissance de caracteres utilisant ladite rosette

Country Status (5)

Country Link
JP (1) JPS5074945A (de)
DE (1) DE2444961A1 (de)
FR (1) FR2279164A1 (de)
GB (1) GB1486908A (de)
NL (1) NL7314469A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2829249A1 (de) * 1978-07-04 1980-01-17 Walter Burlon Vorrichtung zur ausgerichteten halterung von platten
DE3501283A1 (de) * 1984-01-17 1985-07-25 Canon K.K., Tokio/Tokyo Fotoelektrische detektorvorrichtung und hiermit ausgestattetes ausrichtgeraet
JPS62125481A (ja) * 1985-11-26 1987-06-06 インターナショナル・ビジネス・マシーンズ・コーポレーション パタ−ン認識装置
US5200794A (en) * 1989-08-11 1993-04-06 Nhk Spring Co., Ltd. Optical head for an optical authenticity identifing system
DE4026167C2 (de) * 1989-08-17 1999-06-10 Kurt Rux Papillarlinien-Vergleichscomputerschloß- Eingangssensor

Also Published As

Publication number Publication date
DE2444961A1 (de) 1975-04-24
FR2279164B1 (de) 1979-01-05
NL7314469A (nl) 1975-04-24
JPS5074945A (de) 1975-06-19
GB1486908A (en) 1977-09-28

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Legal Events

Date Code Title Description
ST Notification of lapse