BE797210A - Generateur de seuils - Google Patents

Generateur de seuils

Info

Publication number
BE797210A
BE797210A BE129153A BE129153A BE797210A BE 797210 A BE797210 A BE 797210A BE 129153 A BE129153 A BE 129153A BE 129153 A BE129153 A BE 129153A BE 797210 A BE797210 A BE 797210A
Authority
BE
Belgium
Prior art keywords
threshold generator
generator
threshold
Prior art date
Application number
BE129153A
Other languages
English (en)
French (fr)
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.)
Filing date
Publication date
Application filed by Licentia Gmbh filed Critical Licentia Gmbh
Publication of BE797210A publication Critical patent/BE797210A/xx

Links

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

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)
  • Image Input (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Image Processing (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 (xx)
JP (1) JPS4915324A (xx)
BE (1) BE797210A (xx)
CH (1) CH548069A (xx)
DE (1) DE2214658C3 (xx)
FR (1) FR2178628A5 (xx)
NL (1) NL7304041A (xx)

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

Also Published As

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

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