GB1468741A - Production of halftone images - Google Patents

Production of halftone images

Info

Publication number
GB1468741A
GB1468741A GB1320474A GB1320474A GB1468741A GB 1468741 A GB1468741 A GB 1468741A GB 1320474 A GB1320474 A GB 1320474A GB 1320474 A GB1320474 A GB 1320474A GB 1468741 A GB1468741 A GB 1468741A
Authority
GB
United Kingdom
Prior art keywords
location
events
picture
sub
array
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
GB1320474A
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.)
Baird Atomic Inc
Original Assignee
Baird Atomic 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 Baird Atomic Inc filed Critical Baird Atomic Inc
Publication of GB1468741A publication Critical patent/GB1468741A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/161—Applications in the field of nuclear medicine, e.g. in vivo counting
    • G01T1/164—Scintigraphy
    • G01T1/1641—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras
    • G01T1/1644—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras using an array of optically separate scintillation elements permitting direct location of scintillations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
    • G01T1/2914—Measurement of spatial distribution of radiation
    • G01T1/2978—Hybrid imaging systems, e.g. using a position sensitive detector (camera) to determine the distribution in one direction and using mechanical movement of the detector or the subject in the other direction or using a camera to determine the distribution in two dimensions and using movement of the camera or the subject to increase the field of view

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Measurement Of Radiation (AREA)
  • Nuclear Medicine (AREA)
  • Image Processing (AREA)
GB1320474A 1973-04-09 1974-03-25 Production of halftone images Expired GB1468741A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US34899373A 1973-04-09 1973-04-09

Publications (1)

Publication Number Publication Date
GB1468741A true GB1468741A (en) 1977-03-30

Family

ID=23370431

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1320474A Expired GB1468741A (en) 1973-04-09 1974-03-25 Production of halftone images

Country Status (3)

Country Link
JP (1) JPS49131640A (enExample)
DE (1) DE2417087A1 (enExample)
GB (1) GB1468741A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2140646A (en) * 1979-12-29 1984-11-28 Canon Kk Image reproducing equipment
GB2402571A (en) * 2003-05-20 2004-12-08 Software 2000 Ltd Halftone bit mask generation for reduction of contouring
US8705131B2 (en) 2004-10-18 2014-04-22 Software Imaging Technology Limited Bit mask generation system

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4179100A (en) * 1977-08-01 1979-12-18 University Of Pittsburgh Radiography apparatus
JPS61110078A (ja) * 1984-11-02 1986-05-28 Toshiba Corp 核医学デ−タ処理装置
JPH0774948B2 (ja) * 1992-02-17 1995-08-09 株式会社毎日放送 ２値表示素子を用いる表示装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2140646A (en) * 1979-12-29 1984-11-28 Canon Kk Image reproducing equipment
GB2402571A (en) * 2003-05-20 2004-12-08 Software 2000 Ltd Halftone bit mask generation for reduction of contouring
GB2402571B (en) * 2003-05-20 2006-02-15 Software 2000 Ltd Bit mask generation system and printer drivers and printing methods incorporating bit masks generated utilising same
US7025515B2 (en) 2003-05-20 2006-04-11 Software 2000 Ltd. Bit mask generation system
US8705131B2 (en) 2004-10-18 2014-04-22 Software Imaging Technology Limited Bit mask generation system

Also Published As

Publication number Publication date
DE2417087A1 (de) 1974-10-17
JPS49131640A (enExample) 1974-12-17

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Legal Events

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