FR1504564A - Dispositif automatique d'identification de caractères - Google Patents

Dispositif automatique d'identification de caractères

Info

Publication number
FR1504564A
FR1504564A FR73889A FR73889A FR1504564A FR 1504564 A FR1504564 A FR 1504564A FR 73889 A FR73889 A FR 73889A FR 73889 A FR73889 A FR 73889A FR 1504564 A FR1504564 A FR 1504564A
Authority
FR
France
Prior art keywords
identification device
character identification
automatic character
automatic
identification
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.)
Expired
Application number
FR73889A
Other languages
English (en)
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.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Application granted granted Critical
Publication of FR1504564A publication Critical patent/FR1504564A/fr
Expired legal-status Critical Current

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
    • G06V30/18—Extraction of features or characteristics of the image
    • G06V30/1801—Detecting partial patterns, e.g. edges or contours, or configurations, e.g. loops, corners, strokes or intersections
    • G06V30/18019—Detecting partial patterns, e.g. edges or contours, or configurations, e.g. loops, corners, strokes or intersections by matching or filtering
    • 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)
FR73889A 1965-08-25 1966-08-23 Dispositif automatique d'identification de caractères Expired FR1504564A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5178565 1965-08-25

Publications (1)

Publication Number Publication Date
FR1504564A true FR1504564A (fr) 1967-12-08

Family

ID=12896585

Family Applications (1)

Application Number Title Priority Date Filing Date
FR73889A Expired FR1504564A (fr) 1965-08-25 1966-08-23 Dispositif automatique d'identification de caractères

Country Status (3)

Country Link
US (1) US3522586A (fr)
FR (1) FR1504564A (fr)
GB (1) GB1124130A (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1599243A (fr) * 1968-12-12 1970-07-15
US3629833A (en) * 1969-11-24 1971-12-21 Frederick M Demer Character recognition system employing a plurality of character compression transforms
US3723970A (en) * 1971-01-04 1973-03-27 Scan Optics Inc Optical character recognition system
US3832687A (en) * 1971-02-23 1974-08-27 Geometric Data Corp Pattern recognition system
US3783244A (en) * 1971-08-02 1974-01-01 Computer Identics Corp Gauged pulse width determining circuit
JPS5231134B2 (fr) * 1972-01-24 1977-08-12
US3771127A (en) * 1972-02-16 1973-11-06 Int Standard Electric Corp Character recognition device
US3889234A (en) * 1972-10-06 1975-06-10 Hitachi Ltd Feature extractor of character and figure
JPS5425782B2 (fr) * 1973-03-28 1979-08-30
US3930231A (en) * 1974-06-10 1975-12-30 Xicon Data Entry Corp Method and system for optical character recognition
FR2301051A1 (fr) * 1975-02-14 1976-09-10 Anvar Procede et dispositifs de reconnaissance de formes
JPS5847064B2 (ja) * 1978-07-08 1983-10-20 工業技術院長 文字読取方式
JPS596421B2 (ja) * 1978-08-28 1984-02-10 肇産業株式会社 パタ−ン情報処理方法
JPS56110191A (en) * 1980-02-05 1981-09-01 Tokyo Keiki Co Ltd Type character recognizing device
US4371865A (en) * 1980-07-03 1983-02-01 Palmguard, Inc. Method for analyzing stored image details
US4490850A (en) * 1981-12-17 1984-12-25 Ncr Corporation Matrix character recognition
US5077805A (en) * 1990-05-07 1991-12-31 Eastman Kodak Company Hybrid feature-based and template matching optical character recognition system
US5574803A (en) * 1991-08-02 1996-11-12 Eastman Kodak Company Character thinning using emergent behavior of populations of competitive locally independent processes
EP0548030B1 (fr) * 1991-12-19 1998-09-30 Texas Instruments Incorporated Reconnaissance de caractères
US11954770B2 (en) 2021-11-12 2024-04-09 Rockwell Collins, Inc. System and method for recreating graphical image using character recognition to reduce storage space
US11842429B2 (en) 2021-11-12 2023-12-12 Rockwell Collins, Inc. System and method for machine code subroutine creation and execution with indeterminate addresses
US11887222B2 (en) 2021-11-12 2024-01-30 Rockwell Collins, Inc. Conversion of filled areas to run length encoded vectors
US11915389B2 (en) 2021-11-12 2024-02-27 Rockwell Collins, Inc. System and method for recreating image with repeating patterns of graphical image file to reduce storage space
US12254282B2 (en) 2021-11-12 2025-03-18 Rockwell Collins, Inc. Method for automatically matching chart names
US12306007B2 (en) 2021-11-12 2025-05-20 Rockwell Collins, Inc. System and method for chart thumbnail image generation
US12002369B2 (en) 2021-11-12 2024-06-04 Rockwell Collins, Inc. Graphical user interface (GUI) for selection and display of enroute charts in an avionics chart display system
US12304648B2 (en) 2021-11-12 2025-05-20 Rockwell Collins, Inc. System and method for separating avionics charts into a plurality of display panels
US11748923B2 (en) 2021-11-12 2023-09-05 Rockwell Collins, Inc. System and method for providing more readable font characters in size adjusting avionics charts

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3196397A (en) * 1961-06-19 1965-07-20 Ibm Specimen identification techniques employing nth-order autocorrelation functions
US3196399A (en) * 1962-10-01 1965-07-20 Ibm Specimen identification techniques employing selected functions of autocorrelation functions

Also Published As

Publication number Publication date
GB1124130A (en) 1968-08-21
US3522586A (en) 1970-08-04

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