CA947428A - Method and system for identifying patterns - Google Patents

Method and system for identifying patterns

Info

Publication number
CA947428A
CA947428A CA100,559A CA100559A CA947428A CA 947428 A CA947428 A CA 947428A CA 100559 A CA100559 A CA 100559A CA 947428 A CA947428 A CA 947428A
Authority
CA
Canada
Prior art keywords
identifying patterns
patterns
identifying
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
CA100,559A
Other versions
CA100559S (en
Inventor
William H. Hart
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.)
ELECTRONIC READING SYSTEMS
Original Assignee
ELECTRONIC READING SYSTEMS
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 ELECTRONIC READING SYSTEMS filed Critical ELECTRONIC READING SYSTEMS
Application granted granted Critical
Publication of CA947428A publication Critical patent/CA947428A/en
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
    • G06V30/14—Image acquisition
    • G06V30/144—Image acquisition using a slot moved over the image; using discrete sensing elements at predetermined points; using automatic curve following means
    • 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
    • G06V30/162—Quantising the image signal
    • 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
    • G06V30/18—Extraction of features or characteristics of the image
CA100,559A 1969-12-15 1970-12-14 Method and system for identifying patterns Expired CA947428A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US88504469A 1969-12-15 1969-12-15
US9337870A 1970-11-27 1970-11-27
US00385713A US3846755A (en) 1969-12-15 1973-08-06 Pattern recognition system

Publications (1)

Publication Number Publication Date
CA947428A true CA947428A (en) 1974-05-14

Family

ID=27377495

Family Applications (1)

Application Number Title Priority Date Filing Date
CA100,559A Expired CA947428A (en) 1969-12-15 1970-12-14 Method and system for identifying patterns

Country Status (2)

Country Link
US (1) US3846755A (en)
CA (1) CA947428A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1537322A (en) * 1975-01-30 1978-12-29 Agency Ind Science Techn Apparatus for recognition of approximate shape of an article
NL7810943A (en) * 1978-11-03 1980-05-07 Philips Nv LEARNING DEVICE FOR RECOGNIZING PATTERNS OF DIGITAL SIGNALS.
US4398256A (en) * 1981-03-16 1983-08-09 Hughes Aircraft Company Image processing architecture
US4521862A (en) * 1982-03-29 1985-06-04 General Electric Company Serialization of elongated members
US5892854A (en) * 1997-01-21 1999-04-06 Xerox Corporation Automatic image registration using binary moments
US6005986A (en) * 1997-12-03 1999-12-21 The United States Of America As Represented By The National Security Agency Method of identifying the script of a document irrespective of orientation
TWI375499B (en) * 2007-11-27 2012-10-21 Asustek Comp Inc Improvement method for ebg structures and multi-layer board applying the same
US8194102B2 (en) * 2008-10-06 2012-06-05 Microsoft Corporation Rendering annotations for images
US8884916B2 (en) * 2010-12-09 2014-11-11 Synaptics Incorporated System and method for determining user input using polygons
US9053359B2 (en) 2012-06-07 2015-06-09 Konica Minolta Laboratory U.S.A., Inc. Method and system for document authentication using Krawtchouk decomposition of image patches for image comparison
US9230383B2 (en) 2012-12-28 2016-01-05 Konica Minolta Laboratory U.S.A., Inc. Document image compression method and its application in document authentication
US9411445B2 (en) 2013-06-27 2016-08-09 Synaptics Incorporated Input object classification
US9804717B2 (en) 2015-03-11 2017-10-31 Synaptics Incorporated Input sensing and exclusion

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3146424A (en) * 1960-08-25 1964-08-25 Herbert L Peterson Sampling digital differentiator for amplitude modulated wave
US3292148A (en) * 1961-05-08 1966-12-13 Little Inc A Character recognition apparatus using two-dimensional density functions
US3159815A (en) * 1961-11-29 1964-12-01 Ibm Digitalization system for multi-track optical character sensing
US3268864A (en) * 1963-03-18 1966-08-23 Apparatus for feature recognition of symbols
US3394347A (en) * 1964-11-09 1968-07-23 Stanford Research Inst Optical pattern recognition device using non-linear photocell

Also Published As

Publication number Publication date
US3846755A (en) 1974-11-05

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