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ES456560A1 - Un metodo y su correspondiente aparato para el reconocimien-to de imagen en tiempo real. - Google Patents

Un metodo y su correspondiente aparato para el reconocimien-to de imagen en tiempo real.

Info

Publication number
ES456560A1
ES456560A1 ES456560A ES456560A ES456560A1 ES 456560 A1 ES456560 A1 ES 456560A1 ES 456560 A ES456560 A ES 456560A ES 456560 A ES456560 A ES 456560A ES 456560 A1 ES456560 A1 ES 456560A1
Authority
ES
Spain
Prior art keywords
image
luminosity
recognized
signals
levels
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.)
Expired
Application number
ES456560A
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.)
Tasco SpA
Original Assignee
Tasco SpA
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 Tasco SpA filed Critical Tasco SpA
Publication of ES456560A1 publication Critical patent/ES456560A1/es
Expired legal-status Critical Current

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
    • G06V10/28—Quantising the image, e.g. histogram thresholding for discrimination between background and foreground 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
    • G06V10/20—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
    • G06V10/40—Extraction of image or video features
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—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
    • 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)
  • Image Processing (AREA)
  • Image Analysis (AREA)

Abstract

Un método y su correspondiente aparato para el reconocimiento de imagen en tiempo real, del tipo que opera por comparación con imágenes muestra, comprendiendo las fases de lectura y conversión de la imagen a reconocer en señales analógicas de luminosidad e individualizando los niveles de dichas señales; convirtiendo las señales individualizadas de valores analógicos a digitales de acuerdo con una escala de niveles de luminosidad; determinado una función de distribución para las frecuencias de niveles de luminosidad acumulando y almacenado valores de un mismo nivel de luminosidad; calculando los parametros típicos de la función de distribución para las frecuencias de nivel de luminosidad, comparando el conjunto de parámetros típicos de la imagen a reconocer con los conjuntos de parámetros almacenados correspondientes de una serie de imágenes muestra tomadas secuencialmente; determinando el valor mínimo de comparación entre los juegos de parámetros y generando una señal para identificar la imagen a reconocer con la imagen muestra que corresponde al valor de comparación determinado como mínimo, cuando este último es menor que un valor predeterminado de umbral.
ES456560A 1976-02-23 1977-02-23 Un metodo y su correspondiente aparato para el reconocimien-to de imagen en tiempo real. Expired ES456560A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20452/76A IT1055430B (it) 1976-02-23 1976-02-23 Procedimento e apparecchiatura per il riconoscimento in tempo reale di immagini

Publications (1)

Publication Number Publication Date
ES456560A1 true ES456560A1 (es) 1978-02-01

Family

ID=11167147

Family Applications (1)

Application Number Title Priority Date Filing Date
ES456560A Expired ES456560A1 (es) 1976-02-23 1977-02-23 Un metodo y su correspondiente aparato para el reconocimien-to de imagen en tiempo real.

Country Status (8)

Country Link
US (1) US4075604A (es)
BR (1) BR7701106A (es)
CA (1) CA1074014A (es)
DE (1) DE2706655C3 (es)
ES (1) ES456560A1 (es)
FR (1) FR2343290A1 (es)
GB (1) GB1555206A (es)
IT (1) IT1055430B (es)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4179686A (en) * 1976-11-03 1979-12-18 Bonicalzi Maria P System for checking the authenticity of identification papers
DE2706080C2 (de) * 1977-02-12 1986-10-23 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zur adaptiven Quantisierung von Transformationskoeffizienten eines Bildes und Anordnung zum Durchführen des Verfahrens
US4191940A (en) * 1978-01-09 1980-03-04 Environmental Research Institute Of Michigan Method and apparatus for analyzing microscopic specimens and the like
JPS5847064B2 (ja) * 1978-07-08 1983-10-20 工業技術院長 文字読取方式
US4208652A (en) * 1978-09-14 1980-06-17 A. C. Nielsen Company Method and apparatus for identifying images
US4231014A (en) * 1979-04-17 1980-10-28 Vittorio Ponzio Process and apparatus for automatically identifying discount coupons and the like by means of electronic comparison
US4270863A (en) * 1979-11-01 1981-06-02 Owens-Illinois, Inc. Method and apparatus for inspecting objects for defects
US4587434A (en) * 1981-10-22 1986-05-06 Cubic Western Data Currency note validator
US4493106A (en) * 1981-12-24 1985-01-08 International Computers Limited Image digitizing systems
US4511219A (en) * 1982-06-15 1985-04-16 The United States Of America As Represented By The Secretary Of The Air Force Kalman filter preprocessor
US4567610A (en) * 1982-07-22 1986-01-28 Wayland Research Inc. Method of and apparatus for pattern recognition
US4574393A (en) * 1983-04-14 1986-03-04 Blackwell George F Gray scale image processor
DE3426056A1 (de) * 1983-07-16 1985-01-24 Leicester Polytechnic, Leicester Verfahren und vorrichtung zur kontrolle von textilien
GB8331248D0 (en) * 1983-11-23 1983-12-29 Kearney & Trecker Marwin Ltd Inspecting articles
JPH0644292B2 (ja) * 1984-07-09 1994-06-08 オムロン株式会社 二次元視覚認識装置
CA1250050A (en) * 1985-04-17 1989-02-14 Miyahiko Orita Image processing apparatus
US4754490A (en) * 1987-05-22 1988-06-28 Environmental Research Institute Of Michigan Linked-list image feature extraction
DE3785197T2 (de) * 1987-06-08 1993-07-15 Nippon Electric Co Briefmarken-identifizierungsgeraet.
US4924507A (en) * 1988-02-11 1990-05-08 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Real-time optical multiple object recognition and tracking system and method
WO1990014639A1 (en) * 1989-05-25 1990-11-29 International Remote Imaging Systems, Inc. A method and an apparatus for identifying an object
US5218605A (en) * 1990-01-31 1993-06-08 Hewlett-Packard Company Software modules for testing computer hardware and software
US5343409A (en) * 1991-08-29 1994-08-30 Hewlett-Packard Company System and method for probing object resources in a window server environment
EP0534446B1 (en) * 1991-09-26 2001-07-11 Mitsubishi Denki Kabushiki Kaisha System with approximation means for recognizing graphical elements in a drawing
WO1994003997A1 (fr) * 1992-08-03 1994-02-17 Ricoh Company, Ltd. Identificateur de documents pouvant egalement identifier un billet special, appareil de formation d'images utilisant l'identificateur, processeur d'image et machine de duplication
US5751854A (en) * 1992-08-03 1998-05-12 Ricoh Company, Ltd. Original-discrimination system for discriminating special document, and image forming apparatus, image processing apparatus and duplicator using the original-discrimination system
US5835621A (en) * 1992-09-15 1998-11-10 Gaston A. Vandermeerssche Abrasion analyzer and testing method
US5343538A (en) * 1992-10-02 1994-08-30 International Remote Imaging Systems, Inc. Method and an apparatus for identifying an object using quantile partitions
DE4236302C1 (de) * 1992-10-28 1993-12-16 Erhardt & Leimer Gmbh Verfahren und Anordnung zum Ausregeln seitlicher Abweichungen einer laufenden Warenbahn
CA2134255C (en) * 1993-12-09 1999-07-13 Hans Peter Graf Dropped-form document image compression
JP3123587B2 (ja) * 1994-03-09 2001-01-15 日本電信電話株式会社 背景差分による動物体領域抽出方法
US5546475A (en) * 1994-04-29 1996-08-13 International Business Machines Corporation Produce recognition system
US5793888A (en) * 1994-11-14 1998-08-11 Massachusetts Institute Of Technology Machine learning apparatus and method for image searching
US6678393B1 (en) 1997-12-23 2004-01-13 Intel Corporation Image selection based on image content
US7392287B2 (en) * 2001-03-27 2008-06-24 Hemisphere Ii Investment Lp Method and apparatus for sharing information using a handheld device
US7117192B2 (en) * 2001-05-23 2006-10-03 Veridian Erim International, Inc. Text and imagery spatial correlator
ES2232216B1 (es) * 2001-09-21 2006-07-16 Fabrica Nacional De Moneda Y Timbre-Real Casa De La Moneda Metodo de control de papel de seguridad y dispositivo para la practica de dicho control.
US20030204442A1 (en) * 2002-04-25 2003-10-30 Robert Marshall Scanning and voiding method and apparatus for processing coupons
US7181062B2 (en) * 2002-08-30 2007-02-20 Lockheed Martin Corporation Modular classification architecture for a pattern recognition application

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1234941A (en) * 1967-08-16 1971-06-09 Emi Ltd Improvements in or relating to pattern recognition devices
US3563378A (en) * 1968-02-29 1971-02-16 Welsh Panel Co Reflection classifier
US3705383A (en) * 1971-08-06 1972-12-05 William W Frayer Biological sample pattern analysis method and apparatus
JPS5231134B2 (es) * 1972-01-24 1977-08-12
US3829218A (en) * 1972-06-05 1974-08-13 Bendix Corp Method of spectral analysis
US3999047A (en) * 1972-09-05 1976-12-21 Green James E Method and apparatus utilizing color algebra for analyzing scene regions
FR2216567B2 (es) * 1973-02-02 1977-07-22 Verdol Sa
US3935562A (en) * 1974-02-22 1976-01-27 Stephens Richard G Pattern recognition method and apparatus
US3930230A (en) * 1974-02-25 1975-12-30 Richard G Stephens Pattern analysis method and apparatus
US3922090A (en) * 1974-06-28 1975-11-25 Teknekron Inc Method and apparatus for authenticating documents

Also Published As

Publication number Publication date
CA1074014A (en) 1980-03-18
IT1055430B (it) 1981-12-21
FR2343290B1 (es) 1981-06-19
BR7701106A (pt) 1977-10-18
DE2706655B2 (de) 1980-08-28
US4075604A (en) 1978-02-21
DE2706655C3 (de) 1981-06-04
FR2343290A1 (fr) 1977-09-30
DE2706655A1 (de) 1977-09-01
GB1555206A (en) 1979-11-07

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