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NL171935B - DEVICE FOR RECOGNIZING CHARACTERS. - Google Patents

DEVICE FOR RECOGNIZING CHARACTERS.

Info

Publication number
NL171935B
NL171935B NLAANVRAGE7210544,A NL7210544A NL171935B NL 171935 B NL171935 B NL 171935B NL 7210544 A NL7210544 A NL 7210544A NL 171935 B NL171935 B NL 171935B
Authority
NL
Netherlands
Prior art keywords
recognizing characters
recognizing
characters
Prior art date
Application number
NLAANVRAGE7210544,A
Other languages
Dutch (nl)
Other versions
NL171935C (en
NL7210544A (en
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of NL7210544A publication Critical patent/NL7210544A/xx
Publication of NL171935B publication Critical patent/NL171935B/en
Application granted granted Critical
Publication of NL171935C publication Critical patent/NL171935C/en

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)
NLAANVRAGE7210544,A 1971-08-02 1972-08-01 DEVICE FOR RECOGNIZING CHARACTERS. NL171935C (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 (3)

Publication Number Publication Date
NL7210544A NL7210544A (en) 1973-02-06
NL171935B true NL171935B (en) 1983-01-03
NL171935C NL171935C (en) 1983-06-01

Family

ID=26263045

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7210544,A NL171935C (en) 1971-08-02 1972-08-01 DEVICE FOR RECOGNIZING CHARACTERS.

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
FR2150330A2 (en) 1973-04-06
FR2150330B2 (en) 1974-01-04
NL171935C (en) 1983-06-01
NL7210544A (en) 1973-02-06
GB1399348A (en) 1975-07-02
FR2149855A5 (en) 1973-03-30
DE2237873A1 (en) 1973-03-22
JPS4826034A (en) 1973-04-05

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee