IT967862B - Sistema e disposizione circuitale per riconoscere automaticamente segni grafici con l ausilio di una matrice di classificazione invariante alla traslazione - Google Patents

Sistema e disposizione circuitale per riconoscere automaticamente segni grafici con l ausilio di una matrice di classificazione invariante alla traslazione

Info

Publication number
IT967862B
IT967862B IT29670/72A IT2967072A IT967862B IT 967862 B IT967862 B IT 967862B IT 29670/72 A IT29670/72 A IT 29670/72A IT 2967072 A IT2967072 A IT 2967072A IT 967862 B IT967862 B IT 967862B
Authority
IT
Italy
Prior art keywords
translation
aid
circuit arrangement
automatically recognize
classification matrix
Prior art date
Application number
IT29670/72A
Other languages
English (en)
Italian (it)
Original Assignee
Siemens 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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT967862B publication Critical patent/IT967862B/it

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
    • G06V10/20—Image preprocessing
    • 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
    • G06V30/18—Extraction of features or characteristics of the image
    • G06V30/186—Extraction of features or characteristics of the image by deriving mathematical or geometrical properties from the whole image
    • 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
    • G06V30/19—Recognition using electronic means
    • G06V30/192—Recognition using electronic means using simultaneous comparisons or correlations of the image signals with a plurality of references
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Image Analysis (AREA)
  • Character Input (AREA)
  • Image Processing (AREA)
IT29670/72A 1971-09-27 1972-09-26 Sistema e disposizione circuitale per riconoscere automaticamente segni grafici con l ausilio di una matrice di classificazione invariante alla traslazione IT967862B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2148152A DE2148152C3 (de) 1971-09-27 1971-09-27 Verfahren und Schaltungsanordnung zum automatischen Erkennen von Schriftzeichen mit Hilfe einer translationsinvarianten Klassifikationsmatrix

Publications (1)

Publication Number Publication Date
IT967862B true IT967862B (it) 1974-03-11

Family

ID=5820663

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29670/72A IT967862B (it) 1971-09-27 1972-09-26 Sistema e disposizione circuitale per riconoscere automaticamente segni grafici con l ausilio di una matrice di classificazione invariante alla traslazione

Country Status (8)

Country Link
US (1) US3815090A (enExample)
BE (1) BE789353A (enExample)
DE (1) DE2148152C3 (enExample)
FR (1) FR2155304A5 (enExample)
GB (1) GB1383061A (enExample)
IT (1) IT967862B (enExample)
LU (1) LU66152A1 (enExample)
NL (1) NL7213090A (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3969699A (en) * 1975-04-11 1976-07-13 Honeywell Inc. Image dissector with many apertures for Hadamard encoding
US3982227A (en) * 1975-06-02 1976-09-21 General Electric Company Pattern recognition machine for analyzing line orientation
US4072928A (en) * 1975-10-10 1978-02-07 Sangamo Weston, Inc. Industrial system for inspecting and identifying workpieces
JPS6016673B2 (ja) * 1978-12-25 1985-04-26 川崎重工業株式会社 サ−ボ系における被検体認識装置
EP0033533A3 (en) * 1980-02-04 1982-09-01 Transaction Sciences Corporation Methods and apparatus for the automatic classification of patterns
US4615619A (en) * 1984-03-19 1986-10-07 D.O.M. Associates, Inc. Stationary, electrically alterable, optical masking device and spectroscopic apparatus employing same
US4750834A (en) * 1986-01-07 1988-06-14 D.O.M. Associates, Inc. Interferometer including stationary, electrically alterable optical masking device
US4856897A (en) * 1987-08-14 1989-08-15 D.O.M. Associates, Inc. Raman spectrometer having Hadamard electrooptical mask and diode detector
WO1994027276A1 (en) * 1993-05-10 1994-11-24 Motorola, Inc. Method and apparatus for receiving and processing compressed image data for presentation by an active-addressed display
US5828066A (en) * 1996-07-02 1998-10-27 Messerschmidt; Robert G. Multisource infrared spectrometer
CN110059719B (zh) * 2019-03-18 2022-08-09 西北工业大学 一种基于沃尔什变换的图像矩的目标识别方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1250166B (de) * 1962-05-21 1967-09-14 International Business Machines Corporation Armonk, NY (V St A) Vorrichtung zur maschinellen Zeichen erkennung
US3341814A (en) * 1962-07-11 1967-09-12 Burroughs Corp Character recognition
US3705981A (en) * 1970-10-05 1972-12-12 Itt Sequency filters based on walsh functions for signals with two space variables

Also Published As

Publication number Publication date
LU66152A1 (enExample) 1973-04-02
FR2155304A5 (enExample) 1973-05-18
DE2148152B2 (de) 1975-05-07
DE2148152C3 (de) 1975-12-18
GB1383061A (en) 1975-02-05
NL7213090A (enExample) 1973-03-29
US3815090A (en) 1974-06-04
BE789353A (fr) 1973-03-27
DE2148152A1 (de) 1973-04-05

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