JPS57157379A - Discriminating device of kind of image - Google Patents

Discriminating device of kind of image

Info

Publication number
JPS57157379A
JPS57157379A JP56043037A JP4303781A JPS57157379A JP S57157379 A JPS57157379 A JP S57157379A JP 56043037 A JP56043037 A JP 56043037A JP 4303781 A JP4303781 A JP 4303781A JP S57157379 A JPS57157379 A JP S57157379A
Authority
JP
Japan
Prior art keywords
character
image
signal
controller
value
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
JP56043037A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0357507B2 (enrdf_load_stackoverflow
Inventor
Akira Sakurai
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP56043037A priority Critical patent/JPS57157379A/ja
Publication of JPS57157379A publication Critical patent/JPS57157379A/ja
Publication of JPH0357507B2 publication Critical patent/JPH0357507B2/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
    • G06V30/24—Character recognition characterised by the processing or recognition method
    • G06V30/242—Division of the character sequences into groups prior to recognition; Selection of dictionaries
    • G06V30/244—Division of the character sequences into groups prior to recognition; Selection of dictionaries using graphical properties, e.g. alphabet type or font
    • G06V30/2455—Discrimination between machine-print, hand-print and cursive writing

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)
JP56043037A 1981-03-24 1981-03-24 Discriminating device of kind of image Granted JPS57157379A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56043037A JPS57157379A (en) 1981-03-24 1981-03-24 Discriminating device of kind of image

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56043037A JPS57157379A (en) 1981-03-24 1981-03-24 Discriminating device of kind of image

Publications (2)

Publication Number Publication Date
JPS57157379A true JPS57157379A (en) 1982-09-28
JPH0357507B2 JPH0357507B2 (enrdf_load_stackoverflow) 1991-09-02

Family

ID=12652710

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56043037A Granted JPS57157379A (en) 1981-03-24 1981-03-24 Discriminating device of kind of image

Country Status (1)

Country Link
JP (1) JPS57157379A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60116078A (ja) * 1983-11-28 1985-06-22 Toshiba Corp 文字認識装置
JPH02100189A (ja) * 1988-10-07 1990-04-12 Fuji Electric Co Ltd 全角，半角文字の決定方法
JPH07114618A (ja) * 1990-12-13 1995-05-02 Xerox Corp 手書き及びマシン印字テキストの区分化方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4836091A (enrdf_load_stackoverflow) * 1971-09-13 1973-05-28
JPS5222436A (en) * 1975-08-13 1977-02-19 Sharp Corp Character reader

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4836091A (enrdf_load_stackoverflow) * 1971-09-13 1973-05-28
JPS5222436A (en) * 1975-08-13 1977-02-19 Sharp Corp Character reader

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60116078A (ja) * 1983-11-28 1985-06-22 Toshiba Corp 文字認識装置
JPH02100189A (ja) * 1988-10-07 1990-04-12 Fuji Electric Co Ltd 全角，半角文字の決定方法
JPH07114618A (ja) * 1990-12-13 1995-05-02 Xerox Corp 手書き及びマシン印字テキストの区分化方法

Also Published As

Publication number Publication date
JPH0357507B2 (enrdf_load_stackoverflow) 1991-09-02

Similar Documents

Publication Publication Date Title
KR910005102A (ko) 화상처리장치의 영역식별방식
FR2517092B1 (fr) Dispositif pour le reglage dynamique d'un seuil de discrimination noir/blanc lors du traitement d'images a valeur de gris
EP0392701A3 (en) Image reduction apparatus
US3534334A (en) Automatic control of a threshold in the digitization of an analog signal
EP0898414A3 (en) Image area judging apparatus
KR910016186A (ko) 축소 변환 방법
JPS57157379A (en) Discriminating device of kind of image
GB1264804A (en) Counting logic for scanning systems
JPS5572807A (en) Electron-beam mask check unit
US3599148A (en) Quantizing circuit correction for character recognition systems
JPS57157380A (en) Discriminating device of kind of picture
JPS5580186A (en) Optical character reader
US3443027A (en) Control system for flying spot scanners
JPS5780082A (en) Confinement means for typeprinter
JPS5499529A (en) Pattern recognizer
JPS5429914A (en) Manuscript reader
JPS5592978A (en) Optical character reader
JPS57111679A (en) Discrimination system for discrimination between type character and handwritten character
JPS5525127A (en) Mark sheet read system of facsimile
JPS5729186A (en) Character segmenting device
JPS5672779A (en) Character reader
SU1078447A1 (ru) Устройство дл считывани штриховых изображений
JPS55124870A (en) Character area detection unit
JPS5688572A (en) Character read system
KR930003630A (ko) 팩시밀리의 화상 이진화 처리시스템 및 그 방식