GB8317107D0 - Area measuring apparatus - Google Patents

Area measuring apparatus

Info

Publication number
GB8317107D0
GB8317107D0 GB838317107A GB8317107A GB8317107D0 GB 8317107 D0 GB8317107 D0 GB 8317107D0 GB 838317107 A GB838317107 A GB 838317107A GB 8317107 A GB8317107 A GB 8317107A GB 8317107 D0 GB8317107 D0 GB 8317107D0
Authority
GB
United Kingdom
Prior art keywords
measuring apparatus
area measuring
area
measuring
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.)
Granted
Application number
GB838317107A
Other versions
GB2123143A (en
GB2123143B (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.)
CRUMP T J
Original Assignee
CRUMP T J
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 CRUMP T J filed Critical CRUMP T J
Priority to GB08317107A priority Critical patent/GB2123143B/en
Publication of GB8317107D0 publication Critical patent/GB8317107D0/en
Publication of GB2123143A publication Critical patent/GB2123143A/en
Application granted granted Critical
Publication of GB2123143B publication Critical patent/GB2123143B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/28—Measuring arrangements characterised by the use of optical techniques for measuring areas
    • G01B11/285—Measuring arrangements characterised by the use of optical techniques for measuring areas using photoelectric detection means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/60—Analysis of geometric attributes
    • G06T7/62—Analysis of geometric attributes of area, perimeter, diameter or volume

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Length Measuring Devices By Optical Means (AREA)
GB08317107A 1982-06-30 1983-06-23 Area measuring apparatus Expired GB2123143B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08317107A GB2123143B (en) 1982-06-30 1983-06-23 Area measuring apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8218889 1982-06-30
GB08317107A GB2123143B (en) 1982-06-30 1983-06-23 Area measuring apparatus

Publications (3)

Publication Number Publication Date
GB8317107D0 true GB8317107D0 (en) 1983-07-27
GB2123143A GB2123143A (en) 1984-01-25
GB2123143B GB2123143B (en) 1986-07-09

Family

ID=26283236

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08317107A Expired GB2123143B (en) 1982-06-30 1983-06-23 Area measuring apparatus

Country Status (1)

Country Link
GB (1) GB2123143B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60135706A (en) * 1983-12-23 1985-07-19 Japan Tobacco Inc Method for measuring distribution of lamina size
US4800287A (en) * 1986-03-17 1989-01-24 Wilson Engraving Company, Inc. Measurement of image area from stored pixel data
CN100443856C (en) * 2005-10-20 2008-12-17 中国科学院自动化研究所 A flat leaf area nondestructive measuring system and method thereof
CN101358842B (en) * 2008-09-19 2010-04-21 广东省农业科学院水稻研究所 Plant blade area measuring apparatus
CN101813469A (en) * 2010-04-23 2010-08-25 中国科学院成都生物研究所 Method for measuring leaf area by manually shooting
CN102809357B (en) * 2012-08-17 2015-07-08 华中农业大学 Automatic measuring and analyzing instrument for crop leaf area information
CN103322945B (en) * 2013-05-15 2015-10-28 江苏食品药品职业技术学院 Hand-held rice leaf area nondestructive detector
CN104359428B (en) * 2014-11-27 2017-01-18 东北林业大学 Instrument and method for measuring long-time-series field forest leaf area index (LAI)
CN111043939A (en) * 2019-12-31 2020-04-21 云南省红河热带农业科学研究所 Leaf area correction coefficient acquisition method for swertia undulata

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB867358A (en) * 1958-11-13 1961-05-03 Epsylon Res & Dev Co Ltd Apparatus for carrying out an operation according to a pattern
FR1344302A (en) * 1962-09-06 1963-11-29 Electronic device for measuring surfaces
US3487365A (en) * 1966-08-08 1969-12-30 Fairbanks Morse Inc Comparing circuit
GB1421550A (en) * 1972-12-29 1976-01-21 Forth Instr Apparatus for use in measuring irregular areas for example animal pelts or skins
US4322805A (en) * 1979-03-05 1982-03-30 Harco Corporation Electrical survey method and apparatus

Also Published As

Publication number Publication date
GB2123143A (en) 1984-01-25
GB2123143B (en) 1986-07-09

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee