JPS57125473A - Optical character scanning device - Google Patents

Optical character scanning device

Info

Publication number
JPS57125473A
JPS57125473A JP56011214A JP1121481A JPS57125473A JP S57125473 A JPS57125473 A JP S57125473A JP 56011214 A JP56011214 A JP 56011214A JP 1121481 A JP1121481 A JP 1121481A JP S57125473 A JPS57125473 A JP S57125473A
Authority
JP
Japan
Prior art keywords
circuit
letter
window
photoelectric conversion
binary
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.)
Granted
Application number
JP56011214A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6355112B2 (enrdf_load_stackoverflow
Inventor
Yasuo Nishijima
Tetsuo Umeda
Kazunari Egami
Tetsuo Miura
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP56011214A priority Critical patent/JPS57125473A/ja
Publication of JPS57125473A publication Critical patent/JPS57125473A/ja
Publication of JPS6355112B2 publication Critical patent/JPS6355112B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G06V30/16—Image preprocessing
    • G06V30/162—Quantising the image signal
    • 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)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Character Input (AREA)
JP56011214A 1981-01-28 1981-01-28 Optical character scanning device Granted JPS57125473A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56011214A JPS57125473A (en) 1981-01-28 1981-01-28 Optical character scanning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56011214A JPS57125473A (en) 1981-01-28 1981-01-28 Optical character scanning device

Publications (2)

Publication Number Publication Date
JPS57125473A true JPS57125473A (en) 1982-08-04
JPS6355112B2 JPS6355112B2 (enrdf_load_stackoverflow) 1988-11-01

Family

ID=11771726

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56011214A Granted JPS57125473A (en) 1981-01-28 1981-01-28 Optical character scanning device

Country Status (1)

Country Link
JP (1) JPS57125473A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57182287A (en) * 1981-04-30 1982-11-10 Nec Corp Optical character scanner
JPH03113461U (enrdf_load_stackoverflow) * 1990-03-08 1991-11-20
JPH0481426U (enrdf_load_stackoverflow) * 1990-11-28 1992-07-15

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57182287A (en) * 1981-04-30 1982-11-10 Nec Corp Optical character scanner
JPH03113461U (enrdf_load_stackoverflow) * 1990-03-08 1991-11-20
JPH0481426U (enrdf_load_stackoverflow) * 1990-11-28 1992-07-15

Also Published As

Publication number Publication date
JPS6355112B2 (enrdf_load_stackoverflow) 1988-11-01

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