SE7610785L - Sett och anordning for lesning av symboler - Google Patents

Sett och anordning for lesning av symboler

Info

Publication number
SE7610785L
SE7610785L SE7610785A SE7610785A SE7610785L SE 7610785 L SE7610785 L SE 7610785L SE 7610785 A SE7610785 A SE 7610785A SE 7610785 A SE7610785 A SE 7610785A SE 7610785 L SE7610785 L SE 7610785L
Authority
SE
Sweden
Prior art keywords
reading symbols
reading
symbols
Prior art date
Application number
SE7610785A
Other languages
English (en)
Other versions
SE434441B (sv
Inventor
E Guiliano
O Paita
L 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 SE7610785L publication Critical patent/SE7610785L/sv
Publication of SE434441B publication Critical patent/SE434441B/sv

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)
  • Character Input (AREA)
  • Image Analysis (AREA)
  • Image Input (AREA)
  • Image Processing (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
SE7610785A 1975-11-03 1976-09-29 Elektronikanordning for att fran en teckenberare automatiskt lesa pa en bakgrund skrivna eller tryckta SE434441B (sv)

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 (2)

Publication Number Publication Date
SE7610785L true SE7610785L (sv) 1977-05-04
SE434441B SE434441B (sv) 1984-07-23

Family

ID=11312685

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7610785A SE434441B (sv) 1975-11-03 1976-09-29 Elektronikanordning for att fran en teckenberare automatiskt lesa pa en bakgrund skrivna eller tryckta

Country Status (14)

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

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
NO149903C (no) 1984-07-11
BE847800A (fr) 1977-02-14
DK147837B (da) 1984-12-17
AU498123B2 (en) 1979-02-08
NO149903B (no) 1984-04-02
US4047152A (en) 1977-09-06
GB1520368A (en) 1978-08-09
CA1066806A (en) 1979-11-20
SE434441B (sv) 1984-07-23
DE2648641A1 (de) 1977-05-26
FR2330084B1 (sv) 1979-07-20
NL7612165A (nl) 1977-05-05
NL166564C (nl) 1981-08-17
DE2648641C3 (de) 1980-07-03
DE2648641B2 (de) 1979-09-20
AU1887976A (en) 1978-04-27
JPS5286734A (en) 1977-07-19
DK478476A (da) 1977-05-04
NL166564B (nl) 1981-03-16
FR2330084A1 (fr) 1977-05-27
IT1055651B (it) 1982-01-11
NO763635L (sv) 1977-05-04
DK147837C (da) 1985-06-24
ZA766388B (en) 1977-10-26

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