JPS56153485A - Method of recognizing unknown characters or symbols on document and device used therefor - Google Patents

Method of recognizing unknown characters or symbols on document and device used therefor

Info

Publication number
JPS56153485A
JPS56153485A JP1558881A JP1558881A JPS56153485A JP S56153485 A JPS56153485 A JP S56153485A JP 1558881 A JP1558881 A JP 1558881A JP 1558881 A JP1558881 A JP 1558881A JP S56153485 A JPS56153485 A JP S56153485A
Authority
JP
Japan
Prior art keywords
symbols
document
device used
used therefor
unknown characters
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
JP1558881A
Other languages
English (en)
Japanese (ja)
Inventor
Deii Shiyapira Arekusandaa
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.)
KONPASUKIYAN Inc
Original Assignee
KONPASUKIYAN 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 KONPASUKIYAN Inc filed Critical KONPASUKIYAN Inc
Publication of JPS56153485A publication Critical patent/JPS56153485A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
    • G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
    • G06V10/751—Comparing pixel values or logical combinations thereof, or feature values having positional relevance, e.g. template matching
    • G06V10/7515—Shifting the patterns to accommodate for positional errors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Medical Informatics (AREA)
  • Computing Systems (AREA)
  • Databases & Information Systems (AREA)
  • Evolutionary Computation (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Software Systems (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Character Discrimination (AREA)
  • Character Input (AREA)
JP1558881A 1980-02-04 1981-02-04 Method of recognizing unknown characters or symbols on document and device used therefor Pending JPS56153485A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/118,412 US4308523A (en) 1980-02-04 1980-02-04 Apparatus and method for character recognition

Publications (1)

Publication Number Publication Date
JPS56153485A true JPS56153485A (en) 1981-11-27

Family

ID=22378422

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1558881A Pending JPS56153485A (en) 1980-02-04 1981-02-04 Method of recognizing unknown characters or symbols on document and device used therefor

Country Status (4)

Country Link
US (1) US4308523A (enExample)
JP (1) JPS56153485A (enExample)
DE (1) DE3103592A1 (enExample)
FR (1) FR2475257A1 (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4376932A (en) * 1980-06-30 1983-03-15 International Business Machines Corporation Multi-registration in character recognition
US4453268A (en) * 1981-03-18 1984-06-05 Lundy Electronics & Systems, Inc. OCR Page reader
US4499595A (en) * 1981-10-01 1985-02-12 General Electric Co. System and method for pattern recognition
US4700401A (en) * 1983-02-28 1987-10-13 Dest Corporation Method and apparatus for character recognition employing a dead-band correlator
US4606069A (en) * 1983-06-10 1986-08-12 At&T Bell Laboratories Apparatus and method for compression of facsimile information by pattern matching
JPH0715703B2 (ja) * 1986-05-16 1995-02-22 富士電機株式会社 文字読取方式
US4876730A (en) * 1987-02-25 1989-10-24 Lundy Electronics & Systems, Inc. Optical character reader with skew recognition
US4932065A (en) * 1988-11-16 1990-06-05 Ncr Corporation Universal character segmentation scheme for multifont OCR images
US5091968A (en) * 1990-12-28 1992-02-25 Ncr Corporation Optical character recognition system and method
US5257325A (en) * 1991-12-11 1993-10-26 International Business Machines Corporation Electronic parallel raster dual image registration device
US5638466A (en) * 1995-08-30 1997-06-10 Horizon Marketing Corporation Aka Wordwand Method and apparatus for deskewing images of symbols having a non-linear baseline
US5912988A (en) * 1996-12-27 1999-06-15 Xytec Corporation Image processing method and apparatus for distortion compensation
US6888958B1 (en) * 1999-03-30 2005-05-03 Kabushiki Kaisha Toshiba Method and apparatus for inspecting patterns
WO2002048953A1 (en) * 2000-12-15 2002-06-20 United States Postal Service Method and apparatus for alphanumeric recognition
US7516130B2 (en) * 2005-05-09 2009-04-07 Trend Micro, Inc. Matching engine with signature generation
JP5365065B2 (ja) * 2008-05-13 2013-12-11 富士通株式会社 辞書作成装置
US10438098B2 (en) * 2017-05-19 2019-10-08 Hand Held Products, Inc. High-speed OCR decode using depleted centerlines
CN114661904B (zh) * 2022-03-10 2023-04-07 北京百度网讯科技有限公司 文档处理模型的训练方法、装置、设备、存储介质及程序

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL228298A (enExample) * 1957-04-17 1900-01-01
NL274810A (enExample) * 1961-02-16
US3167745A (en) * 1962-01-15 1965-01-26 Philco Corp Character identification system employing plural resistor-correlation masks
US3292149A (en) * 1964-06-18 1966-12-13 Ibm Identification and comparison apparatus for contour patterns such as fingerprints
GB1234941A (en) * 1967-08-16 1971-06-09 Emi Ltd Improvements in or relating to pattern recognition devices
US3576534A (en) * 1969-08-11 1971-04-27 Compuscan Inc Image cross correlator
JPS4966034A (enExample) * 1972-10-27 1974-06-26
US4136332A (en) * 1976-01-30 1979-01-23 Hitachi, Ltd. Device for detecting displacement between patterns
JPS5313840A (en) * 1976-07-23 1978-02-07 Hitachi Ltd Analogy calculator
US4200861A (en) * 1978-09-01 1980-04-29 View Engineering, Inc. Pattern recognition apparatus and method

Also Published As

Publication number Publication date
US4308523A (en) 1981-12-29
FR2475257B1 (enExample) 1985-03-22
DE3103592A1 (de) 1982-01-21
FR2475257A1 (fr) 1981-08-07

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