JPS5875279A - 文字分類方式 - Google Patents

文字分類方式

Info

Publication number
JPS5875279A
JPS5875279A JP56174327A JP17432781A JPS5875279A JP S5875279 A JPS5875279 A JP S5875279A JP 56174327 A JP56174327 A JP 56174327A JP 17432781 A JP17432781 A JP 17432781A JP S5875279 A JPS5875279 A JP S5875279A
Authority
JP
Japan
Prior art keywords
directional
character
feature
information
scan
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
JP56174327A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0252313B2 (enrdf_load_stackoverflow
Inventor
Atsushi Tsukumo
津雲　淳
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 JP56174327A priority Critical patent/JPS5875279A/ja
Publication of JPS5875279A publication Critical patent/JPS5875279A/ja
Publication of JPH0252313B2 publication Critical patent/JPH0252313B2/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
    • G06V30/18—Extraction of features or characteristics of the image
    • G06V30/186—Extraction of features or characteristics of the image by deriving mathematical or geometrical properties from the whole image
    • 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Character Discrimination (AREA)
JP56174327A 1981-10-29 1981-10-29 文字分類方式 Granted JPS5875279A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56174327A JPS5875279A (ja) 1981-10-29 1981-10-29 文字分類方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56174327A JPS5875279A (ja) 1981-10-29 1981-10-29 文字分類方式

Publications (2)

Publication Number Publication Date
JPS5875279A true JPS5875279A (ja) 1983-05-06
JPH0252313B2 JPH0252313B2 (enrdf_load_stackoverflow) 1990-11-13

Family

ID=15976696

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56174327A Granted JPS5875279A (ja) 1981-10-29 1981-10-29 文字分類方式

Country Status (1)

Country Link
JP (1) JPS5875279A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008004116A (ja) * 2007-08-02 2008-01-10 Hitachi Ltd 映像中の文字検索方法及び装置
US7403657B2 (en) 2001-03-22 2008-07-22 Hitachi, Ltd. Method and apparatus for character string search in image

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7403657B2 (en) 2001-03-22 2008-07-22 Hitachi, Ltd. Method and apparatus for character string search in image
JP2008004116A (ja) * 2007-08-02 2008-01-10 Hitachi Ltd 映像中の文字検索方法及び装置

Also Published As

Publication number Publication date
JPH0252313B2 (enrdf_load_stackoverflow) 1990-11-13

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