FR2149855A5 - - Google Patents

Info

Publication number
FR2149855A5
FR2149855A5 FR7227911A FR7227911A FR2149855A5 FR 2149855 A5 FR2149855 A5 FR 2149855A5 FR 7227911 A FR7227911 A FR 7227911A FR 7227911 A FR7227911 A FR 7227911A FR 2149855 A5 FR2149855 A5 FR 2149855A5
Authority
FR
France
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
FR7227911A
Other languages
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR2149855A5 publication Critical patent/FR2149855A5/fr
Expired 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • 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
    • G06V30/14—Image acquisition
    • G06V30/148—Segmentation of character regions
    • 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
    • G06V30/16—Image preprocessing
    • G06V30/168—Smoothing or thinning of the pattern; Skeletonisation
    • 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
    • G06V30/19—Recognition using electronic means
    • G06V30/19007—Matching; Proximity measures
    • G06V30/19013—Comparing pixel values or logical combinations thereof, or feature values having positional relevance, e.g. template matching
    • G06V30/1902—Shifting or otherwise transforming the patterns to accommodate for positional errors
    • 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
    • G06V30/19—Recognition using electronic means
    • G06V30/192—Recognition using electronic means using simultaneous comparisons or correlations of the image signals with a plurality of references

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Character Input (AREA)
  • Character Discrimination (AREA)
FR7227911A 1971-08-02 1972-08-02 Expired FR2149855A5 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3625171A GB1399348A (en) 1971-08-02 1971-08-02 Character recognition apparatus
GB3705771 1971-08-06

Publications (1)

Publication Number Publication Date
FR2149855A5 true FR2149855A5 (en) 1973-03-30

Family

ID=26263045

Family Applications (2)

Application Number Title Priority Date Filing Date
FR7227911A Expired FR2149855A5 (en) 1971-08-02 1972-08-02
FR7228443A Expired FR2150330B2 (en) 1971-08-02 1972-08-07

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR7228443A Expired FR2150330B2 (en) 1971-08-02 1972-08-07

Country Status (5)

Country Link
JP (1) JPS4826034A (en)
DE (1) DE2237873A1 (en)
FR (2) FR2149855A5 (en)
GB (1) GB1399348A (en)
NL (1) NL171935C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4087790A (en) * 1977-08-22 1978-05-02 Recognition Equipment Incorporated Character presence processor
US4665554A (en) * 1983-07-13 1987-05-12 Machine Vision International Corporation Apparatus and method for implementing dilation and erosion transformations in digital image processing
NL8500172A (en) * 1985-01-23 1986-08-18 Philips Nv IMAGE PROCESSING DEVICE FOR REAL-TIME EDITING AND RECOGNITION OF TWO-DIMENSIONAL IMAGES, AND IMAGE PROCESSING SYSTEM CONTAINING AT LEAST TWO SERIES OF SUCH PROCESSING DEVICES.
FR2627876B1 (en) * 1988-02-25 1990-06-15 Caron Armand PARALLEL INFORMATION PROCESSING DEVICE
US6654487B1 (en) * 2000-03-03 2003-11-25 Charles H. Downs, Jr. Character recognition, including method and system for processing checks with invalidated MICR lines

Also Published As

Publication number Publication date
NL171935B (en) 1983-01-03
GB1399348A (en) 1975-07-02
NL7210544A (en) 1973-02-06
FR2150330B2 (en) 1974-01-04
FR2150330A2 (en) 1973-04-06
NL171935C (en) 1983-06-01
DE2237873A1 (en) 1973-03-22
JPS4826034A (en) 1973-04-05

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Legal Events

Date Code Title Description
ST Notification of lapse