SE441221B - Anordning for detektering av serdrag hos ett tecken - Google Patents

Anordning for detektering av serdrag hos ett tecken

Info

Publication number
SE441221B
SE441221B SE7713955A SE7713955A SE441221B SE 441221 B SE441221 B SE 441221B SE 7713955 A SE7713955 A SE 7713955A SE 7713955 A SE7713955 A SE 7713955A SE 441221 B SE441221 B SE 441221B
Authority
SE
Sweden
Prior art keywords
unit
line
input
output
memory
Prior art date
Application number
SE7713955A
Other languages
English (en)
Swedish (sv)
Other versions
SE7713955L (sv
Inventor
Jr G W Woster
L W Bryan
D P Himmel
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 SE7713955L publication Critical patent/SE7713955L/xx
Publication of SE441221B publication Critical patent/SE441221B/sv

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
    • G06V30/20—Combination of acquisition, preprocessing or recognition functions
    • 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 Processing (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Character Discrimination (AREA)
SE7713955A 1976-12-09 1977-12-08 Anordning for detektering av serdrag hos ett tecken SE441221B (sv)

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 (2)

Publication Number Publication Date
SE7713955L SE7713955L (sv) 1978-06-10
SE441221B true SE441221B (sv) 1985-09-16

Family

ID=25012704

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7713955A SE441221B (sv) 1976-12-09 1977-12-08 Anordning for detektering av serdrag hos ett tecken

Country Status (7)

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

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
GB2161006B (en) * 1984-04-27 1988-02-10 Canon Kk Character recognition apparatus
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
US5594817A (en) * 1992-10-19 1997-01-14 Fast; Bruce B. OCR image pre-processor for detecting and reducing skew of the image of textual matter of a scanned document
US6411733B1 (en) * 1998-11-25 2002-06-25 Xerox Corporation Method and apparatus for separating document image object types
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
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
WO2006090671A1 (fr) * 2005-02-23 2006-08-31 Matsushita Electric Works, Ltd. Procédé d’examen de matériau granuleux et dispositif d’examen pour réaliser ce procédé
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
NL7016539A (fr) * 1970-11-12 1972-05-16
NL7016538A (fr) * 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
FR2373837B1 (fr) 1984-10-19
NO774199L (no) 1978-06-12
NL7713485A (nl) 1978-06-13
SE7713955L (sv) 1978-06-10
FR2373837A1 (fr) 1978-07-07
GB1593665A (en) 1981-07-22
DE2754972A1 (de) 1978-08-24
US4093941A (en) 1978-06-06

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