BE797210A - Generateur de seuils - Google Patents

Generateur de seuils

Info

Publication number: BE797210A
Authority: BE; Belgium
Prior art keywords: threshold generator; generator; threshold
Prior art date: 1972-03-25

Application number

BE129153A

Other languages

English (en)

Original Assignee

Licentia Gmbh

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.)

1972-03-25

Filing date

1973-03-23

Publication date

1973-07-16

1973-03-23 Application filed by Licentia Gmbh filed Critical Licentia Gmbh

1973-07-16 Publication of BE797210A publication Critical patent/BE797210A/fr

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)
Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Image Processing (AREA)
Image Input (AREA)

BE129153A 1972-03-25 1973-03-23 Generateur de seuils BE797210A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2214658A DE2214658C3 (de)	1972-03-25	1972-03-25	Schaltung zur Schwellenwertbüdung

Publications (1)

Publication Number	Publication Date
BE797210A true BE797210A (fr)	1973-07-16

Family

ID=5840160

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE129153A BE797210A (fr)	1972-03-25	1973-03-23	Generateur de seuils

Country Status (7)

Country	Link
US (1)	US3833883A (fr)
JP (1)	JPS4915324A (fr)
BE (1)	BE797210A (fr)
CH (1)	CH548069A (fr)
DE (1)	DE2214658C3 (fr)
FR (1)	FR2178628A5 (fr)
NL (1)	NL7304041A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4337455A (en) *	1978-04-21	1982-06-29	Caere Corporation	Apparatus for processing video signals received from an optical scanner
GB2054927B (en) *	1979-07-20	1984-01-11	Sumitomo Electric Industries	Binary coding circuit
US4442544A (en) *	1981-07-09	1984-04-10	Xerox Corporation	Adaptive thresholder
JPS59106079A (ja) *	1982-12-10	1984-06-19	Omron Tateisi Electronics Co	図形照合装置の二値化装置
JPH0658262B2 (ja) *	1983-04-22	1994-08-03	カシオ計算機株式会社	カラーグラフィックデータ処理装置
US4644410A (en) *	1985-03-11	1987-02-17	R. A. McDonald	Dynamic threshold binary generator
US4857903A (en) *	1986-05-06	1989-08-15	Summagraphics Corporation	Electro-optical mouse with improved resolution for compensation of optical distortion
US4807166A (en) *	1986-09-19	1989-02-21	Summagraphics Corporation	Method and apparatus for calibrating an electro-optical mouse

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3560931A (en) *	1969-03-26	1971-02-02	Ibm	Circuitry to improve resolution in character recognition
US3701099A (en) *	1971-06-08	1972-10-24	Ibm	Dynamic discrimination reference level generator for a parallel channel optical document scanner

1972
- 1972-03-25 DE DE2214658A patent/DE2214658C3/de not_active Expired
1973
- 1973-03-22 CH CH415273A patent/CH548069A/xx not_active IP Right Cessation
- 1973-03-22 NL NL7304041A patent/NL7304041A/xx unknown
- 1973-03-23 FR FR7310531A patent/FR2178628A5/fr not_active Expired
- 1973-03-23 US US00344150A patent/US3833883A/en not_active Expired - Lifetime
- 1973-03-23 BE BE129153A patent/BE797210A/fr unknown
- 1973-03-26 JP JP48034449A patent/JPS4915324A/ja active Pending

Also Published As

Publication number	Publication date
FR2178628A5 (fr)	1973-11-09
DE2214658B2 (de)	1974-05-16
JPS4915324A (fr)	1974-02-09
NL7304041A (fr)	1973-09-27
US3833883A (en)	1974-09-03
CH548069A (de)	1974-04-11
DE2214658A1 (de)	1973-10-04
DE2214658C3 (de)	1974-12-19

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