JPS5548337B1 - - Google Patents

Info

Publication number
JPS5548337B1
JPS5548337B1 JP592671A JP592671A JPS5548337B1 JP S5548337 B1 JPS5548337 B1 JP S5548337B1 JP 592671 A JP592671 A JP 592671A JP 592671 A JP592671 A JP 592671A JP S5548337 B1 JPS5548337 B1 JP S5548337B1
Authority
JP
Japan
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.)
Pending
Application number
JP592671A
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 filed Critical
Publication of JPS5548337B1 publication Critical patent/JPS5548337B1/ja
Pending legal-status Critical Current

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)
  • Character Discrimination (AREA)
JP592671A 1970-02-24 1971-02-10 Pending JPS5548337B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1349070A 1970-02-24 1970-02-24

Publications (1)

Publication Number Publication Date
JPS5548337B1 true JPS5548337B1 (ja) 1980-12-05

Family

ID=21760230

Family Applications (1)

Application Number Title Priority Date Filing Date
JP592671A Pending JPS5548337B1 (ja) 1970-02-24 1971-02-10

Country Status (6)

Country Link
US (1) US3675201A (ja)
JP (1) JPS5548337B1 (ja)
CA (1) CA925210A (ja)
DE (1) DE2106308B2 (ja)
FR (1) FR2078002A5 (ja)
GB (1) GB1279375A (ja)

Families Citing this family (22)

* 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
US3849650A (en) * 1973-03-29 1974-11-19 Picker Corp Automatic x-ray inspection system
US3973239A (en) * 1973-10-17 1976-08-03 Hitachi, Ltd. Pattern preliminary processing system
US3909594A (en) * 1973-12-26 1975-09-30 Interface Mechanisms Inc Circuit for establishing a reference voltage in bar code readers
US4034342A (en) * 1974-12-23 1977-07-05 Burroughs Corporation Magnetic character recognition system employing a dynamic threshold voltage determination system
IT1068657B (it) * 1976-11-03 1985-03-21 Nuovo Pignone Spa Metodo perfezionato per il controllo di banconote ed apparecchiature per realizzarlo
US4078227A (en) * 1977-03-21 1978-03-07 The Singer Company Threshold detector for optical character recognition system
US4162408A (en) * 1977-10-17 1979-07-24 Bourns, Inc. Optical mark sense detector
US4337455A (en) * 1978-04-21 1982-06-29 Caere Corporation Apparatus for processing video signals received from an optical scanner
JPS5534704A (en) * 1978-08-31 1980-03-11 Hajime Sangyo Kk Threshold setting circuit
US4230265A (en) * 1979-05-07 1980-10-28 Transaction Technology, Inc. Adaptive threshold optical reader
US4227218A (en) * 1978-12-14 1980-10-07 Exxon Research & Engineering Co. Method and apparatus for generating a digital facsimile signal
GB2054927B (en) * 1979-07-20 1984-01-11 Sumitomo Electric Industries Binary coding circuit
DE3019836A1 (de) * 1980-05-23 1982-01-21 Siemens AG, 1000 Berlin und 8000 München Verfahren zum automatischen erkennen von bild- und text- oder graphikbereichen auf druckvorlagen
JPS57116477A (en) * 1981-01-09 1982-07-20 Fuji Xerox Co Ltd Scanning type document reader
US4468704A (en) * 1982-10-28 1984-08-28 Xerox Corporation Adaptive thresholder
US4578711A (en) * 1983-12-28 1986-03-25 International Business Machines (Ibm) Video data signal digitization and correction system
US5194966A (en) * 1990-11-20 1993-03-16 Educational Testing Service Optical scanner threshold setting method and sheet
US5969325A (en) 1996-06-03 1999-10-19 Accu-Sort Systems, Inc. High speed image acquisition system and method of processing and decoding barcode symbol
US5861616A (en) * 1996-10-01 1999-01-19 Mustek Systems, Inc. Method and device for recognizing a waveform of an analog signal
US6016960A (en) * 1997-07-08 2000-01-25 Intermec Ip Corporation Rule based method and apparatus for processing reflectance signals from machine-readable symbols or images
US6012640A (en) * 1997-07-08 2000-01-11 Intermec Ip Corporation Rule based and fuzzy logic method and apparatus for processing reflectance signals from machine-readable symbols or images

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4412407Y1 (ja) * 1965-11-30 1969-05-23

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3159815A (en) * 1961-11-29 1964-12-01 Ibm Digitalization system for multi-track optical character sensing
US3415950A (en) * 1965-03-29 1968-12-10 Ibm Video quantizing system
US3484747A (en) * 1965-06-07 1969-12-16 Recognition Equipment Inc Digital-analog retina output conditioning
US3432032A (en) * 1966-06-24 1969-03-11 Fmc Corp Presorting method and apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4412407Y1 (ja) * 1965-11-30 1969-05-23

Also Published As

Publication number Publication date
GB1279375A (en) 1972-06-28
FR2078002A5 (ja) 1971-11-05
US3675201A (en) 1972-07-04
DE2106308B2 (de) 1980-11-13
DE2106308A1 (de) 1971-09-02
CA925210A (en) 1973-04-24

Similar Documents

Publication Publication Date Title
AR204384A1 (ja)
FR2078002A5 (ja)
ATA96471A (ja)
AU2044470A (ja)
AU1146470A (ja)
AU1473870A (ja)
AU2085370A (ja)
AU1336970A (ja)
AU2017870A (ja)
AU1833270A (ja)
AU1716970A (ja)
AU2130570A (ja)
AU1517670A (ja)
AU1326870A (ja)
AU1591370A (ja)
AU1841070A (ja)
AU1328670A (ja)
AU2144270A (ja)
AU1343870A (ja)
AU1277070A (ja)
AU2131570A (ja)
AU2130770A (ja)
AU1247570A (ja)
AU1581370A (ja)
AU1235770A (ja)