JPS6355112B2 - - Google Patents

Info

Publication number
JPS6355112B2
JPS6355112B2 JP56011214A JP1121481A JPS6355112B2 JP S6355112 B2 JPS6355112 B2 JP S6355112B2 JP 56011214 A JP56011214 A JP 56011214A JP 1121481 A JP1121481 A JP 1121481A JP S6355112 B2 JPS6355112 B2 JP S6355112B2
Authority
JP
Japan
Prior art keywords
window
signal
photoelectric conversion
gate
paper
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
JP56011214A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57125473A (en
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
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
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 JPS57125473A (en) 1982-08-04
JPS6355112B2 true 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)

Families Citing this family (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
JP2545056Y2 (ja) * 1990-03-08 1997-08-25 株式会社東芝 光学式文字読取装置
JP2531366Y2 (ja) * 1990-11-28 1997-04-02 アルプス電気株式会社 メンブレンスイツチ

Also Published As

Publication number Publication date
JPS57125473A (en) 1982-08-04

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