JPS57137973A - Method of separating area of background medium and optical character recognizer - Google Patents

Method of separating area of background medium and optical character recognizer

Info

Publication number
JPS57137973A
JPS57137973A JP57000441A JP44182A JPS57137973A JP S57137973 A JPS57137973 A JP S57137973A JP 57000441 A JP57000441 A JP 57000441A JP 44182 A JP44182 A JP 44182A JP S57137973 A JPS57137973 A JP S57137973A
Authority
JP
Japan
Prior art keywords
optical character
separating area
character recognizer
background medium
recognizer
Prior art date
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.)
Pending
Application number
JP57000441A
Other languages
English (en)
Inventor
Ii Kanfu Richiyaado
Aaru Sumisu Uiriamu
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.)
Caere Corp
Original Assignee
Caere 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.)
Filing date
Publication date
Application filed by Caere Corp filed Critical Caere Corp
Publication of JPS57137973A publication Critical patent/JPS57137973A/ja
Pending legal-status Critical Current

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
    • G06V30/14—Image acquisition
    • G06V30/146—Aligning or centring of the image pick-up or image-field
    • 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)
  • Character Discrimination (AREA)
JP57000441A 1981-01-06 1982-01-06 Method of separating area of background medium and optical character recognizer Pending JPS57137973A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/223,002 US4403340A (en) 1981-01-06 1981-01-06 OCR Matrix extractor

Publications (1)

Publication Number Publication Date
JPS57137973A true JPS57137973A (en) 1982-08-25

Family

ID=22834592

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57000441A Pending JPS57137973A (en) 1981-01-06 1982-01-06 Method of separating area of background medium and optical character recognizer

Country Status (7)

Country Link
US (1) US4403340A (ja)
JP (1) JPS57137973A (ja)
CA (1) CA1160750A (ja)
DE (1) DE3149743A1 (ja)
FR (1) FR2497590B1 (ja)
GB (1) GB2090684B (ja)
IT (1) IT1198353B (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62154076A (ja) * 1985-12-27 1987-07-09 Hitachi Ltd 画像処理方法
US4817166A (en) * 1986-05-05 1989-03-28 Perceptics Corporation Apparatus for reading a license plate
GB2212961A (en) * 1987-11-23 1989-08-02 Gen Electric Co Plc Target recognition
US5081685A (en) * 1988-11-29 1992-01-14 Westinghouse Electric Corp. Apparatus and method for reading a license plate
US5119441A (en) * 1989-03-28 1992-06-02 Ricoh Company, Ltd. Optical character recognition apparatus and method using masks operation
US4974260A (en) * 1989-06-02 1990-11-27 Eastman Kodak Company Apparatus for identifying and correcting unrecognizable characters in optical character recognition machines
US5048096A (en) * 1989-12-01 1991-09-10 Eastman Kodak Company Bi-tonal image non-text matter removal with run length and connected component analysis
US6324302B1 (en) * 1997-05-30 2001-11-27 Ricoh Company, Ltd. Method and a system for substantially eliminating erroneously recognized non-solid lines
US20050244060A1 (en) * 2004-04-30 2005-11-03 Xerox Corporation Reformatting binary image data to generate smaller compressed image data size
US9501696B1 (en) 2016-02-09 2016-11-22 William Cabán System and method for metadata extraction, mapping and execution

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL278622A (ja) * 1961-05-19
US3295105A (en) * 1964-08-27 1966-12-27 Sylvania Electric Prod Scan control and normalization for a character recognition system
US3506807A (en) * 1965-11-24 1970-04-14 Ibm Scan centering device
US3539993A (en) * 1967-02-28 1970-11-10 Ibm High-speed registration technique for position code scanning
JPS5137494B1 (ja) * 1968-01-18 1976-10-15
US3613080A (en) * 1968-11-08 1971-10-12 Scan Data Corp Character recognition system utilizing feature extraction
US3629827A (en) * 1969-01-13 1971-12-21 Ibm System and method for determining the position, height and width of a character marking
US3717848A (en) * 1970-06-02 1973-02-20 Recognition Equipment Inc Stored reference code character reader method and system
US3699536A (en) * 1971-06-28 1972-10-17 Ibm Low cost raster scanned data consolidation
US3761876A (en) * 1971-07-28 1973-09-25 Recognition Equipment Inc Recognition unit for optical character reading system
US4206442A (en) * 1974-07-03 1980-06-03 Nippon Electric Co., Ltd. Letter segmenting apparatus for OCR comprising multi-level segmentor operable when binary segmenting fails
US4091424A (en) * 1977-02-18 1978-05-23 Compression Labs, Inc. Facsimile compression system
JPS5421129A (en) * 1977-07-18 1979-02-17 Fuji Electric Co Ltd Flaw detection method by square difference system for length of circumference
SE422714B (sv) * 1979-01-16 1982-03-22 Ibm Svenska Ab Anordning med styrdator for optisk teckenlosning, vilken styrdator bl a bereknar startpunkter for identifiering av ett tecken

Also Published As

Publication number Publication date
FR2497590A1 (fr) 1982-07-09
GB2090684A (en) 1982-07-14
GB2090684B (en) 1985-03-06
DE3149743A1 (de) 1982-09-09
CA1160750A (en) 1984-01-17
IT1198353B (it) 1988-12-21
FR2497590B1 (fr) 1987-05-07
IT8125946A0 (it) 1981-12-31
US4403340A (en) 1983-09-06

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