SE453244B - Sett och anordning for behandling av rontgenstralbilder - Google Patents

Sett och anordning for behandling av rontgenstralbilder

Info

Publication number
SE453244B
SE453244B SE8303375A SE8303375A SE453244B SE 453244 B SE453244 B SE 453244B SE 8303375 A SE8303375 A SE 8303375A SE 8303375 A SE8303375 A SE 8303375A SE 453244 B SE453244 B SE 453244B
Authority
SE
Sweden
Prior art keywords
ray
image
weight factor
sequence
ray images
Prior art date
Application number
SE8303375A
Other languages
English (en)
Swedish (sv)
Other versions
SE8303375D0 (sv
SE8303375L (sv
Inventor
L A J Verhoeven
O E Scheltema
W E Carels
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of SE8303375D0 publication Critical patent/SE8303375D0/xx
Publication of SE8303375L publication Critical patent/SE8303375L/
Publication of SE453244B publication Critical patent/SE453244B/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/30—Transforming light or analogous information into electric information
    • H04N5/32—Transforming X-rays
    • H04N5/3205—Transforming X-rays using subtraction imaging techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
SE8303375A 1982-06-17 1983-06-14 Sett och anordning for behandling av rontgenstralbilder SE453244B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8202450A NL8202450A (nl) 1982-06-17 1982-06-17 Werkwijze en inrichting voor het verwerken van roentgenbeelden.

Publications (3)

Publication Number Publication Date
SE8303375D0 SE8303375D0 (sv) 1983-06-14
SE8303375L SE8303375L (sv) 1983-12-18
SE453244B true SE453244B (sv) 1988-01-18

Family

ID=19839897

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8303375A SE453244B (sv) 1982-06-17 1983-06-14 Sett och anordning for behandling av rontgenstralbilder

Country Status (11)

Country Link
US (1) US4507681A (it)
JP (1) JPS5916481A (it)
BE (1) BE897048A (it)
CA (1) CA1205219A (it)
DE (1) DE3320261C2 (it)
FR (1) FR2528691B1 (it)
GB (1) GB2122050B (it)
IL (1) IL68981A (it)
IT (1) IT1170300B (it)
NL (1) NL8202450A (it)
SE (1) SE453244B (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5951686A (ja) * 1982-09-02 1984-03-26 Hitachi Medical Corp デイジタルフイルタ法及びデイジタルフイルタ
JPS59103648A (ja) * 1982-12-06 1984-06-15 株式会社東芝 Ｘ線撮像装置
EP0112582B1 (en) * 1982-12-27 1987-03-18 Kabushiki Kaisha Toshiba Superposed image display device
DE3341215A1 (de) * 1983-11-14 1985-05-30 Siemens AG, 1000 Berlin und 8000 München Roentgenstereo-subtraktionsvorrichtung
JPS60150729A (ja) * 1984-01-19 1985-08-08 株式会社東芝 Ｘ線診断装置
DE3426830A1 (de) * 1984-03-12 1985-09-12 Siemens AG, 1000 Berlin und 8000 München Roentgendiagnostikeinrichtung
JPS60208185A (ja) * 1984-03-31 1985-10-19 Shimadzu Corp Ｘ線画像処理装置
US4802983A (en) * 1985-07-19 1989-02-07 Howeth David Franklin Hopper loading directly insertable horizontally mounted cylindrical segmented bore pleated filter system for rotary broom sweepers
FR2604048B1 (fr) * 1986-09-12 1989-06-09 Thomson Cgr Installation de radiologie a camera de television a element de prise de vues de faible remanence
US4761819A (en) * 1987-02-27 1988-08-02 Picker International, Inc. Adaptive noise reduction filter for reconstructed images
JP2508078B2 (ja) * 1987-04-30 1996-06-19 株式会社島津製作所 Ｘ線画像処理装置
JPH0226478A (ja) * 1988-07-15 1990-01-29 Toshiba Corp 巡回型雑音低減装置
JPH03126380A (ja) * 1989-10-12 1991-05-29 Toshiba Corp 映像雑音低減回路
US5309243A (en) * 1992-06-10 1994-05-03 Eastman Kodak Company Method and apparatus for extending the dynamic range of an electronic imaging system
JP3789728B2 (ja) * 1999-08-10 2006-06-28 ジーイー横河メディカルシステム株式会社 プロジェクションデータ補正方法および装置並びに放射線断層撮像装置
US6373919B1 (en) 1999-08-10 2002-04-16 Ge Yokogawa Medical Systems, Limited Projection data correction method and apparatus, and radiation tomographic imaging method and apparatus
JP2003283925A (ja) * 2002-03-20 2003-10-03 Sony Corp 画像合成装置及び方法
JP2005210384A (ja) * 2004-01-22 2005-08-04 Konica Minolta Medical & Graphic Inc 画像処理方法および画像処理装置ならびに画像処理プログラム
US7639879B2 (en) * 2004-05-31 2009-12-29 Kabushiki Kaisha Toshiba Group information generating system and group information generating method
GB2438660B (en) * 2006-06-02 2011-03-30 Tandberg Television Asa Recursive filter system for a video signal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2521796C3 (de) * 1975-05-16 1979-12-13 Philips Patentverwaltung Gmbh, 2000 Hamburg Anordnung zur Ermittlung der räumlichen Verteilung der Absorption oder der Emission von Strahlung in einer Ebene eines Körpers
GB2020945B (en) * 1978-05-16 1982-12-01 Wisconsin Alumni Res Found Real-time digital x-ray substraction imaging
NL184298C (nl) * 1979-07-19 1989-06-01 Philips Nv Inrichting voor verschilbeeldbepaling.
DE3043703C2 (de) * 1980-11-19 1983-01-20 Siemens AG, 1000 Berlin und 8000 München Röntgendiagnostikeinrichtung zur Erstellung von Subtraktionsbildern

Also Published As

Publication number Publication date
GB2122050B (en) 1985-11-06
NL8202450A (nl) 1984-01-16
IT1170300B (it) 1987-06-03
GB2122050A (en) 1984-01-04
JPH0354515B2 (it) 1991-08-20
JPS5916481A (ja) 1984-01-27
IL68981A0 (en) 1983-10-31
SE8303375D0 (sv) 1983-06-14
GB8316117D0 (en) 1983-07-20
DE3320261A1 (de) 1983-12-29
DE3320261C2 (de) 1986-10-30
FR2528691A1 (fr) 1983-12-23
IL68981A (en) 1986-12-31
SE8303375L (sv) 1983-12-18
IT8321617A0 (it) 1983-06-14
CA1205219A (en) 1986-05-27
FR2528691B1 (fr) 1986-03-28
BE897048A (fr) 1983-12-14
US4507681A (en) 1985-03-26

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