GB1328122A - Optical display system - Google Patents

Optical display system

Info

Publication number
GB1328122A
GB1328122A GB1332773A GB1332770A GB1328122A GB 1328122 A GB1328122 A GB 1328122A GB 1332773 A GB1332773 A GB 1332773A GB 1332770 A GB1332770 A GB 1332770A GB 1328122 A GB1328122 A GB 1328122A
Authority
GB
United Kingdom
Prior art keywords
image
light pen
signal
particle
border
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
GB1332773A
Other languages
English (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.)
Bausch and Lomb Inc
Original Assignee
Bausch and Lomb Inc
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 Bausch and Lomb Inc filed Critical Bausch and Lomb Inc
Publication of GB1328122A publication Critical patent/GB1328122A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M11/00—Counting of objects distributed at random, e.g. on a surface
    • G06M11/02—Counting of objects distributed at random, e.g. on a surface using an electron beam scanning a surface line by line, e.g. of blood cells on a substrate
    • G06M11/04—Counting of objects distributed at random, e.g. on a surface using an electron beam scanning a surface line by line, e.g. of blood cells on a substrate with provision for distinguishing between different sizes of objects
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/28—Quantising the image, e.g. histogram thresholding for discrimination between background and foreground patterns
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/60—Type of objects
    • G06V20/69—Microscopic objects, e.g. biological cells or cellular parts

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Molecular Biology (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geometry (AREA)
  • Image Analysis (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Image Input (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Picture Signal Circuits (AREA)
  • Measurement Of Radiation (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Image Processing (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
GB1332773A 1969-06-23 1970-06-23 Optical display system Expired GB1328122A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83567369A 1969-06-23 1969-06-23

Publications (1)

Publication Number Publication Date
GB1328122A true GB1328122A (en) 1973-08-30

Family

ID=25270159

Family Applications (4)

Application Number Title Priority Date Filing Date
GB1332773A Expired GB1328122A (en) 1969-06-23 1970-06-23 Optical display system
GB1332873A Expired GB1328123A (en) 1969-06-23 1970-06-23 Video conversion circuit
GB3050670A Expired GB1328121A (en) 1969-06-23 1970-06-23 Method of and apparatus for determining the quantity and physical parameters of objects
GB1332973A Expired GB1328124A (en) 1969-06-23 1970-06-23 Counting apparatus

Family Applications After (3)

Application Number Title Priority Date Filing Date
GB1332873A Expired GB1328123A (en) 1969-06-23 1970-06-23 Video conversion circuit
GB3050670A Expired GB1328121A (en) 1969-06-23 1970-06-23 Method of and apparatus for determining the quantity and physical parameters of objects
GB1332973A Expired GB1328124A (en) 1969-06-23 1970-06-23 Counting apparatus

Country Status (6)

Country Link
BE (1) BE752352A (de)
CA (1) CA930860A (de)
DE (3) DE2030662C3 (de)
FR (1) FR2047034B1 (de)
GB (4) GB1328122A (de)
NL (1) NL7009146A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0620428A1 (de) * 1993-03-19 1994-10-19 Becton, Dickinson and Company Verfahren zur Kompression von vielparametrigen Ereignistabellen Datensätzen

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2443410C3 (de) * 1974-09-11 1981-10-01 Artek Systems Corp., Farmingdale, N.Y. Vorrichtung zum Zählen mikrobiologischer Kolonien
DE3138757A1 (de) * 1981-09-29 1983-05-05 Siemens AG, 1000 Berlin und 8000 München Verfahren zur erfassung von textausschnitten aus einer vorlage und vorrichtung zur durchfuehrung des verfahrens
JPS58176638A (ja) * 1982-04-09 1983-10-17 Dainippon Screen Mfg Co Ltd 抜きマスク版の作製方法
GB2129547B (en) * 1982-11-02 1986-05-21 Cambridge Instr Ltd Reticle inspection
JPH03221802A (ja) * 1989-12-20 1991-09-30 Reichhold Chem Inc 粒子サイズおよびサイズ分布の測定方法
DE4027732A1 (de) * 1990-09-01 1992-03-05 Thiedig Ullrich Kamerachip fuer eine punktfoermige ereignisse erfassende und auswertende kamera
DE102011011930A1 (de) 2011-02-18 2012-08-23 Hella Kgaa Hueck & Co. Verfahren und System zur Bestimmung einer Anzahl von Übergangsobjekten
EP2690581A1 (de) * 2012-07-27 2014-01-29 Canon Kabushiki Kaisha Verfahren und Vorrichtung zur Erkennung einer Pupille
CN114708335B (zh) * 2022-03-20 2023-03-14 元橡科技(苏州)有限公司 双目立体相机的外参标定系统、标定方法、应用、存储介质

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB747718A (en) * 1952-07-08 1956-04-11 Mullard Radio Valve Co Ltd Improvements in or relating to apparatus for counting particles
GB778289A (en) * 1954-05-28 1957-07-03 Cinema Television Ltd Improvements in or relating to apparatus for automatic counting
GB778288A (en) * 1954-05-28 1957-07-03 Cinema Television Ltd Improvements in or relating to the electronic counting of objects
DE1084059B (de) * 1957-05-17 1960-06-23 Philips Nv Vorrichtung zur Teilchenzaehlung
US2965294A (en) * 1958-01-23 1960-12-20 Rank Cintel Ltd Object counting apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0620428A1 (de) * 1993-03-19 1994-10-19 Becton, Dickinson and Company Verfahren zur Kompression von vielparametrigen Ereignistabellen Datensätzen

Also Published As

Publication number Publication date
NL7009146A (de) 1970-12-28
GB1328124A (en) 1973-08-30
GB1328123A (en) 1973-08-30
GB1328121A (en) 1973-08-30
FR2047034A1 (de) 1971-03-12
DE2065927B2 (de) 1978-12-14
FR2047034B1 (de) 1975-04-18
CA930860A (en) 1973-07-24
BE752352A (fr) 1971-01-01
DE2065927A1 (de) 1977-06-23
DE2030662B2 (de) 1977-04-21
DE2065764A1 (de) 1976-07-29
DE2065927C3 (de) 1979-08-16
DE2030662A1 (de) 1971-01-14
DE2030662C3 (de) 1980-04-03

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Legal Events

Date Code Title Description
414F Notice of opposition given (sect. 14/1949)
414A Case decided by the comptroller ** specification amended (sect. 14/1949)
PS Patent sealed [section 19, patents act 1949]
SP Amendment (slips) printed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee