NL7713485A - Karakterkenmerk-detectiestelsel. - Google Patents

Karakterkenmerk-detectiestelsel.

Info

Publication number
NL7713485A
NL7713485A NL7713485A NL7713485A NL7713485A NL 7713485 A NL7713485 A NL 7713485A NL 7713485 A NL7713485 A NL 7713485A NL 7713485 A NL7713485 A NL 7713485A NL 7713485 A NL7713485 A NL 7713485A
Authority
NL
Netherlands
Prior art keywords
detection system
characteristic detection
characteristic
detection
Prior art date
Application number
NL7713485A
Other languages
English (en)
Dutch (nl)
Original Assignee
Recognition Equipment Inc
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 Recognition Equipment Inc filed Critical Recognition Equipment Inc
Publication of NL7713485A publication Critical patent/NL7713485A/xx

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
    • G06V30/20—Combination of acquisition, preprocessing or recognition functions
    • 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)
  • Image Processing (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Character Discrimination (AREA)
NL7713485A 1976-12-09 1977-12-06 Karakterkenmerk-detectiestelsel. NL7713485A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/749,200 US4093941A (en) 1976-12-09 1976-12-09 Slope feature detection system

Publications (1)

Publication Number Publication Date
NL7713485A true NL7713485A (nl) 1978-06-13

Family

ID=25012704

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7713485A NL7713485A (nl) 1976-12-09 1977-12-06 Karakterkenmerk-detectiestelsel.

Country Status (7)

Country Link
US (1) US4093941A (enExample)
DE (1) DE2754972A1 (enExample)
FR (1) FR2373837A1 (enExample)
GB (1) GB1593665A (enExample)
NL (1) NL7713485A (enExample)
NO (1) NO774199L (enExample)
SE (1) SE441221B (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4326190A (en) * 1978-08-30 1982-04-20 Borland David L Boundary trace slope feature detection system
US4773098A (en) * 1980-05-27 1988-09-20 Texas Instruments Incorporated Method of optical character recognition
US4490848A (en) * 1982-03-31 1984-12-25 General Electric Company Method and apparatus for sorting corner points in a visual image processing system
US4493105A (en) * 1982-03-31 1985-01-08 General Electric Company Method and apparatus for visual image processing
US4628532A (en) * 1983-07-14 1986-12-09 Scan Optics, Inc. Alphanumeric handprint recognition
US4864628A (en) * 1983-08-26 1989-09-05 Texas Instruments Incorporated Method of optical character recognition
DE3515159A1 (de) * 1984-04-27 1985-10-31 Canon K.K., Tokio/Tokyo Bildverarbeitungseinrichtung
US4633400A (en) * 1984-12-21 1986-12-30 Conoco Inc. Method for waveform feature extraction from seismic signals
US4949391A (en) * 1986-09-26 1990-08-14 Everex Ti Corporation Adaptive image acquisition system
US4882629A (en) * 1987-05-08 1989-11-21 Everex Ti Corporation Adaptive exposure control system
US5574803A (en) * 1991-08-02 1996-11-12 Eastman Kodak Company Character thinning using emergent behavior of populations of competitive locally independent processes
US5625719A (en) * 1992-10-19 1997-04-29 Fast; Bruce B. OCR image preprocessing method for image enhancement of scanned documents
US6377710B1 (en) * 1998-11-25 2002-04-23 Xerox Corporation Method and apparatus for extracting the skeleton of a binary figure by contour-based erosion
US6411733B1 (en) * 1998-11-25 2002-06-25 Xerox Corporation Method and apparatus for separating document image object types
SG109996A1 (en) * 2002-10-28 2005-04-28 Nanyang Polytechnic Method and apparatus for optical character recognition
JP4623638B2 (ja) * 2005-01-27 2011-02-02 パナソニック株式会社 画像復号装置
KR100929475B1 (ko) * 2005-02-23 2009-12-02 파나소닉 전공 주식회사 입상물체의 검사방법 및 그 방법을 실시하는 검사장치
US7590209B2 (en) * 2005-12-30 2009-09-15 L3 Communications Integrated Systems L.P. Method and computer program for identifying a transition in a phase-shift keying or frequency-shift keying signal
US7889938B2 (en) * 2006-03-31 2011-02-15 Canon Kabushiki Kaisha Method and apparatus for processing line drawings in images
JP4933404B2 (ja) * 2007-11-07 2012-05-16 キヤノン株式会社 画像処理装置、画像処理方法、画像処理プログラム、並びに、プログラム記録媒体

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3303465A (en) * 1963-12-30 1967-02-07 Ibm Character recognition apparatus employing a curve follower
GB1171627A (en) * 1966-10-07 1969-11-26 Post Office Improvements in or relating to Character Recognition Machines
NL7016538A (enExample) * 1970-11-12 1972-05-16
NL7016539A (enExample) * 1970-11-12 1972-05-16
US3723970A (en) * 1971-01-04 1973-03-27 Scan Optics Inc Optical character recognition system
US3863218A (en) * 1973-01-26 1975-01-28 Hitachi Ltd Pattern feature detection system
US3987412A (en) * 1975-01-27 1976-10-19 International Business Machines Corporation Method and apparatus for image data compression utilizing boundary following of the exterior and interior borders of objects

Also Published As

Publication number Publication date
FR2373837A1 (fr) 1978-07-07
GB1593665A (en) 1981-07-22
NO774199L (no) 1978-06-12
DE2754972A1 (de) 1978-08-24
SE7713955L (sv) 1978-06-10
FR2373837B1 (enExample) 1984-10-19
US4093941A (en) 1978-06-06
SE441221B (sv) 1985-09-16

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed