AU8112787A - Creación de Inventos y Patentes con Inteligencia Artificial

AU8112787A – Binary signal producing apparatus for optical character recognition
– Google Patents

AU8112787A – Binary signal producing apparatus for optical character recognition
– Google Patents
Binary signal producing apparatus for optical character recognition

Info

Publication number
AU8112787A

AU8112787A
AU81127/87A
AU8112787A
AU8112787A
AU 8112787 A
AU8112787 A
AU 8112787A
AU 81127/87 A
AU81127/87 A
AU 81127/87A
AU 8112787 A
AU8112787 A
AU 8112787A
AU 8112787 A
AU8112787 A
AU 8112787A
Authority
AU
Australia
Prior art keywords
character recognition
binary signal
optical character
producing apparatus
signal producing
Prior art date
1986-11-12
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
AU81127/87A
Other versions

AU606831B2
(en

Inventor
Shigenobu Kasuya
Kazumi Nakano
Tetsuo Umeda
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
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.)
1986-11-12
Filing date
1987-11-12
Publication date
1988-05-19

1987-11-12
Application filed by NEC Corp
filed
Critical
NEC Corp

1988-05-19
Publication of AU8112787A
publication
Critical
patent/AU8112787A/en

1991-02-14
Application granted
granted
Critical

1991-02-14
Publication of AU606831B2
publication
Critical
patent/AU606831B2/en

2007-11-12
Anticipated expiration
legal-status
Critical

Status
Ceased
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

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

AU81127/87A
1986-11-12
1987-11-12
Binary signal producing apparatus for optical character recognition

Ceased

AU606831B2
(en)

Applications Claiming Priority (2)

Application Number
Priority Date
Filing Date
Title

JP61-269272

1986-11-12

JP26927286

1986-11-12

Publications (2)

Publication Number
Publication Date

AU8112787A
true

AU8112787A
(en)

1988-05-19

AU606831B2

AU606831B2
(en)

1991-02-14

Family
ID=17470041
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

AU81127/87A
Ceased

AU606831B2
(en)

1986-11-12
1987-11-12
Binary signal producing apparatus for optical character recognition

Country Status (4)

Country
Link

US
(1)

US4831658A
(en)

JP
(1)

JP2659198B2
(en)

AU
(1)

AU606831B2
(en)

CA
(1)

CA1297983C
(en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

NZ215023A
(en)

1985-02-07
1989-07-27
Smithkline Beckman Corp
Vaccine against plasmodium falciparum and antigenic peptides

EP0279419B1
(en)

1987-02-17
1995-08-23
Sharp Kabushiki Kaisha
Image signal binary encoder

JPS648488A
(en)

1987-06-30
1989-01-12
Sharp Kk
Image signal binarizing device

DE68928162T2
(en)

1988-11-23
1998-01-29
Schlumberger Technologies Inc

Method and device for compressing high resolution images

JPH087785B2
(en)

1989-05-16
1996-01-29
松下電器産業株式会社

Binarization processor

US5393378A
(en)

1989-05-31
1995-02-28
Ishikawajima-Harima Jukogyo Kabushiki Kaishi
Method for measuring and controlling fiber variations in paper sheet

US5622602A
(en)

1989-05-31
1997-04-22
Ishikawajima-Harima Jukogyo Kabushiki Kaisha
Apparatus for controlling the degree of paper fiber variation

KR940007346B1
(en)

1991-03-28
1994-08-13
삼성전자 주식회사
Edge detection apparatus for image processing system

US6072528A
(en)

1993-09-13
2000-06-06
Olympus Optical Co., Ltd.
Solid state image sensor

DE4411248C1
(en)

1994-03-31
1995-10-26
Licentia Gmbh

Method and device for binarizing pixel data

Family Cites Families (8)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US3267293A
(en)

1963-04-25
1966-08-16
Sperry Rand Corp
Character recognition circuit

US3872434A
(en)

1973-12-05
1975-03-18
Recognition Equipment Inc
Dynamic sample-by-sample automatic gain control

JPS5567607A
(en)

1978-11-17
1980-05-21
Hajime Sangyo Kk
Pattern discrimination method

US4408343A
(en)

1981-02-27
1983-10-04
Burroughs Corporation
Image enhancement for optical character readers

GB2121642B
(en)

1982-05-26
1985-11-27
Sony Corp
Error concealment in digital television signals

US4468704A
(en)

1982-10-28
1984-08-28
Xerox Corporation
Adaptive thresholder

JPH0632072B2
(en)

1984-02-09
1994-04-27
日本電気株式会社

Slice circuit for multilevel pattern signals

US4601056A
(en)

1984-08-13
1986-07-15
Recognition Equipment Incorporated
Video correlator for video format unit

1987

1987-11-10
JP
JP62284927A
patent/JP2659198B2/en
not_active
Expired – Fee Related

1987-11-10
CA
CA000551566A
patent/CA1297983C/en
not_active
Expired – Fee Related

1987-11-12
AU
AU81127/87A
patent/AU606831B2/en
not_active
Ceased

1987-11-12
US
US07/119,663
patent/US4831658A/en
not_active
Expired – Lifetime

Also Published As

Publication number
Publication date

CA1297983C
(en)

1992-03-24

AU606831B2
(en)

1991-02-14

JPS63238684A
(en)

1988-10-04

US4831658A
(en)

1989-05-16

JP2659198B2
(en)

1997-09-30

Información de contacto