NO149903C - Elektronisk anordning for automatisk avlesning av paa en bakgrunn skrevne eller trykte tegn fra en opptegningsbaerer - Google Patents

Elektronisk anordning for automatisk avlesning av paa en bakgrunn skrevne eller trykte tegn fra en opptegningsbaerer

Info

Publication number
NO149903C
NO149903C NO763635A NO763635A NO149903C NO 149903 C NO149903 C NO 149903C NO 763635 A NO763635 A NO 763635A NO 763635 A NO763635 A NO 763635A NO 149903 C NO149903 C NO 149903C
Authority
NO
Norway
Prior art keywords
recorder
electronic device
automatic reading
printed signs
background written
Prior art date
Application number
NO763635A
Other languages
English (en)
Norwegian (no)
Other versions
NO763635L (nl
NO149903B (no
Inventor
Ercole Giuliano
Oracio Paita
Luigi Stringa
Original Assignee
Elsag
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 Elsag filed Critical Elsag
Publication of NO763635L publication Critical patent/NO763635L/no
Publication of NO149903B publication Critical patent/NO149903B/no
Publication of NO149903C publication Critical patent/NO149903C/no

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
    • G06V30/16—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Image Analysis (AREA)
  • Character Input (AREA)
  • Image Processing (AREA)
  • Image Input (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
NO763635A 1975-11-03 1976-10-25 Elektronisk anordning for automatisk avlesning av paa en bakgrunn skrevne eller trykte tegn fra en opptegningsbaerer NO149903C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT69715/75A IT1055651B (it) 1975-11-03 1975-11-03 Sistema elettronico per la lettura di simboli

Publications (3)

Publication Number Publication Date
NO763635L NO763635L (nl) 1977-05-04
NO149903B NO149903B (no) 1984-04-02
NO149903C true NO149903C (no) 1984-07-11

Family

ID=11312685

Family Applications (1)

Application Number Title Priority Date Filing Date
NO763635A NO149903C (no) 1975-11-03 1976-10-25 Elektronisk anordning for automatisk avlesning av paa en bakgrunn skrevne eller trykte tegn fra en opptegningsbaerer

Country Status (14)

Country Link
US (1) US4047152A (nl)
JP (1) JPS5286734A (nl)
AU (1) AU498123B2 (nl)
BE (1) BE847800A (nl)
CA (1) CA1066806A (nl)
DE (1) DE2648641C3 (nl)
DK (1) DK147837C (nl)
FR (1) FR2330084A1 (nl)
GB (1) GB1520368A (nl)
IT (1) IT1055651B (nl)
NL (1) NL166564C (nl)
NO (1) NO149903C (nl)
SE (1) SE434441B (nl)
ZA (1) ZA766388B (nl)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4433380A (en) * 1975-11-25 1984-02-21 Philips Medical Systems, Inc. Tomographic scanner
JPS5375735A (en) * 1976-12-16 1978-07-05 Hajime Sangyo Information processor
US4162481A (en) * 1976-12-22 1979-07-24 Recognition Equipment Incorporated Adaptive correlator for video processing
US4124870A (en) * 1977-03-31 1978-11-07 International Business Machines Corporation Method for improving print quality of coarse-scan/fine-print character reproduction
US4193096A (en) * 1977-04-04 1980-03-11 Xerox Corporation Half tone encoder/decoder
US4119947A (en) * 1977-07-20 1978-10-10 Howard Noyes Leighton Optical signal processor
JPS5537092A (en) * 1978-09-05 1980-03-14 Ibm Mode switch for setting threshold value
SE422714B (sv) * 1979-01-16 1982-03-22 Ibm Svenska Ab Anordning med styrdator for optisk teckenlosning, vilken styrdator bl a bereknar startpunkter for identifiering av ett tecken
US4290049A (en) * 1979-09-10 1981-09-15 Environmental Research Institute Of Michigan Dynamic data correction generator for an image analyzer system
US4464788A (en) * 1979-09-10 1984-08-07 Environmental Research Institute Of Michigan Dynamic data correction generator for an image analyzer system
FR2466153A1 (fr) * 1979-09-21 1981-03-27 Thomson Csf Dispositif de decision noir ou blanc a seuil autoadaptatif pour systeme d'analyse de document et emetteur de telecopie comportant un tel dispositif
US4298858A (en) * 1980-03-27 1981-11-03 The United States Of America As Represented By The Secretary Of The Air Force Method and apparatus for augmenting binary patterns
FR2484111B1 (fr) * 1980-06-06 1986-05-09 Thomson Csf Dispositif d'analyse optique d'un document et circuit de filtrage destine a un tel dispositif
US4408343A (en) * 1981-02-27 1983-10-04 Burroughs Corporation Image enhancement for optical character readers
US4516263A (en) * 1982-04-30 1985-05-07 The Charles Stark Draper Laboratory, Inc. Spatially integral, video signal processor
US4685145A (en) * 1984-12-07 1987-08-04 Fingermatrix, Inc. Conversion of an image represented by a field of pixels in a gray scale to a field of pixels in binary scale
US4723298A (en) * 1985-03-27 1988-02-02 Fingermatrix, Inc. Image compression technique
US4771468A (en) * 1986-04-17 1988-09-13 International Business Machines Corporation System for automatic inspection of periodic patterns
US4969198A (en) * 1986-04-17 1990-11-06 International Business Machines Corporation System for automatic inspection of periodic patterns
US4806741A (en) * 1986-07-16 1989-02-21 Telesis Controls Corporation Electronic code enhancement for code readers
AU597134B2 (en) * 1986-11-25 1990-05-24 Pedna Pty. Limited Digital image acquisition system
US4811414A (en) * 1987-02-27 1989-03-07 C.F.A. Technologies, Inc. Methods for digitally noise averaging and illumination equalizing fingerprint images
US4933976A (en) * 1988-01-25 1990-06-12 C.F.A. Technologies, Inc. System for generating rolled fingerprint images
US5647026A (en) * 1991-10-29 1997-07-08 Eastman Kodak Company Uniformity correction and threshold or halftoning conversion unit and method
US5474827A (en) * 1994-03-23 1995-12-12 Minnesota Mining And Manufacturing Company Retroreflective article and method of making the same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778768A (en) * 1971-08-27 1973-12-11 Little Inc A Character detection system
US3737855A (en) * 1971-09-30 1973-06-05 Ibm Character video enhancement system
US4003024A (en) * 1975-10-14 1977-01-11 Rockwell International Corporation Two-dimensional binary data enhancement system

Also Published As

Publication number Publication date
FR2330084A1 (fr) 1977-05-27
DE2648641B2 (de) 1979-09-20
DK478476A (da) 1977-05-04
JPS5286734A (en) 1977-07-19
CA1066806A (en) 1979-11-20
DE2648641A1 (de) 1977-05-26
SE7610785L (sv) 1977-05-04
NO763635L (nl) 1977-05-04
US4047152A (en) 1977-09-06
NL166564B (nl) 1981-03-16
FR2330084B1 (nl) 1979-07-20
AU498123B2 (en) 1979-02-08
AU1887976A (en) 1978-04-27
DK147837B (da) 1984-12-17
ZA766388B (en) 1977-10-26
GB1520368A (en) 1978-08-09
NO149903B (no) 1984-04-02
BE847800A (fr) 1977-02-14
IT1055651B (it) 1982-01-11
NL166564C (nl) 1981-08-17
NL7612165A (nl) 1977-05-05
SE434441B (sv) 1984-07-23
DE2648641C3 (de) 1980-07-03
DK147837C (da) 1985-06-24

Similar Documents

Publication Publication Date Title
NO149903C (no) Elektronisk anordning for automatisk avlesning av paa en bakgrunn skrevne eller trykte tegn fra en opptegningsbaerer
ZA76172B (en) Apparatus for reading a flat record carrier with an optically readable information structure
GB1543634A (en) Apparatus for optically reading signal information
FR2353472A1 (fr) Procede et dispositif de manutention de bandes imprimees
AT370273B (de) Geraet zum lesen der auf einem aufzeichnungstraeger aufgezeichneten signale
SE417555B (sv) Apparat for avlesning av en uppteckningsberare
CH613797A5 (en) Device for reading out from a recording carrier having an optically readable information structure
SE7512546L (sv) Anordning for lesning av en uppteckningsberare med en optisk informationsstruktur
AT378880B (de) Geraet zur aufzeichnung einer signalinformation
NL7806279A (nl) Inrichting voor het lezen van gedrukte tekens.
SE7606098L (sv) Apparat for avlesning av en uppteckningsberare
AT376099B (de) Vorrichtung zur aufzeichnung von videosignalen auf einem aufzeichnungstraeger
SE426427B (sv) Anordning for fotografisk datamarkering
BR7604629A (pt) Dispositivo eletronico registrador de dados
SE7612282L (sv) Anordning for registrering av data pa en berare
SE414984B (sv) Apparat for avlesning av en skivformad uppteckningsberare
AT381822B (de) Geraet fuer die aufzeichnung eines informationssignals
ATA715176A (de) Schaltungsanordnung zur umformung eines impuls- flanken-datensignals in ein amplituden-daten- signal
SE404983B (sv) Anordning for automatisk korrektion av en metbar distorsion i en informationsberande signal
ATA270777A (de) Vorrichtung zur aufzeichnung von ton- informationen auf einem tontraeger
SE386267B (sv) Uppteckningsanordning for elektrokensliga uppteckningsberare.
IT1033289B (it) Dispositivo per registrare informazioni su carta elettrosensibile
IT1072516B (it) Dispositivo a supporto per montare un nucleo magnetico su una scheda a circuiti stampati
CH515561A (de) Vorrichtung zum fehlerlosen Auslesen der auf einem Träger aufgezeichneten Information
ATA505877A (de) Geraet zur aufzeichnung eines informationssignal- anteils in aufeinanderfolgenden, parallelen spurenauf einem aufzeichnungstraeger auf einem aufzeichnungstraeger