GB1234507A - - Google Patents

Info

Publication number
GB1234507A
GB1234507A GB1234507DA GB1234507A GB 1234507 A GB1234507 A GB 1234507A GB 1234507D A GB1234507D A GB 1234507DA GB 1234507 A GB1234507 A GB 1234507A
Authority
GB
United Kingdom
Prior art keywords
vectors
corner
outline
scalar product
corners
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
Other languages
English (en)
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 filed Critical
Publication of GB1234507A publication Critical patent/GB1234507A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Analysis (AREA)
GB1234507D 1968-03-28 1969-03-19 Expired GB1234507A (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71691868A 1968-03-28 1968-03-28

Publications (1)

Publication Number Publication Date
GB1234507A true GB1234507A (https=) 1971-06-03

Family

ID=24879987

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1234507D Expired GB1234507A (https=) 1968-03-28 1969-03-19

Country Status (5)

Country Link
US (1) US3576980A (https=)
DE (1) DE1916109A1 (https=)
FR (1) FR2004982A1 (https=)
GB (1) GB1234507A (https=)
SE (1) SE360940B (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2313664A (en) * 1996-05-30 1997-12-03 Daewoo Electronics Co Ltd Recognising corners of an angular component
CN114557635A (zh) * 2020-11-27 2022-05-31 尚科宁家(中国)科技有限公司 清洁机器人及其分区识别方法

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4019173A (en) * 1974-07-08 1977-04-19 Agency Of Industrial Science & Technology System for recognition of shape patterns
US4323880A (en) * 1974-07-22 1982-04-06 The United States Of America As Represented By The Secretary Of The Navy Automatic target screening
JPS5421129A (en) * 1977-07-18 1979-02-17 Fuji Electric Co Ltd Flaw detection method by square difference system for length of circumference
US4242733A (en) * 1979-08-27 1980-12-30 Northrop Corporation Image spot detector using Haar coefficients
US4242734A (en) * 1979-08-27 1980-12-30 Northrop Corporation Image corner detector using Haar coefficients
US4307377A (en) * 1979-11-09 1981-12-22 Bell Telephone Laboratories, Incorporated Vector coding of computer graphics material
US4490848A (en) * 1982-03-31 1984-12-25 General Electric Company Method and apparatus for sorting corner points in a visual image processing system
US4493105A (en) * 1982-03-31 1985-01-08 General Electric Company Method and apparatus for visual image processing
US4952807A (en) * 1985-01-24 1990-08-28 Fuji Photo Film Co., Ltd. Method of adjusting radiation image read-out conditions and image processing conditions
US4949281A (en) * 1987-04-23 1990-08-14 H. Berthold Ag Method and apparatus for generating and producing two-dimensional graphic object by polynominal parametric curves
US20070071324A1 (en) * 2005-09-27 2007-03-29 Lexmark International, Inc. Method for determining corners of an object represented by image data

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2934824A (en) * 1956-05-16 1960-05-03 Philips Corp Apparatus for measuring angles
US2995302A (en) * 1958-07-21 1961-08-08 Sperry Rand Corp Reversible digital resolver
NL282618A (https=) * 1961-08-31
US3372268A (en) * 1965-10-01 1968-03-05 Ibm Pulse generator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2313664A (en) * 1996-05-30 1997-12-03 Daewoo Electronics Co Ltd Recognising corners of an angular component
US5978503A (en) * 1996-05-30 1999-11-02 Daewoo Electronics Co., Ltd. Method for recognizing corners of an angular component
CN114557635A (zh) * 2020-11-27 2022-05-31 尚科宁家(中国)科技有限公司 清洁机器人及其分区识别方法
CN114557635B (zh) * 2020-11-27 2023-11-03 尚科宁家(中国)科技有限公司 清洁机器人及其分区识别方法

Also Published As

Publication number Publication date
US3576980A (en) 1971-05-04
FR2004982A1 (https=) 1969-12-05
DE1916109A1 (de) 1970-02-26
SE360940B (https=) 1973-10-08

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee