NL8601004A - Computertomografie-inrichting met gekombineerd recursief- en convolutiefilter. - Google Patents

Computertomografie-inrichting met gekombineerd recursief- en convolutiefilter. Download PDF

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Publication number
NL8601004A
NL8601004A NL8601004A NL8601004A NL8601004A NL 8601004 A NL8601004 A NL 8601004A NL 8601004 A NL8601004 A NL 8601004A NL 8601004 A NL8601004 A NL 8601004A NL 8601004 A NL8601004 A NL 8601004A
Authority
NL
Netherlands
Prior art keywords
convolution
adder
input
factors
output
Prior art date
Application number
NL8601004A
Other languages
English (en)
Dutch (nl)
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
Priority to NL8601004A priority Critical patent/NL8601004A/nl
Priority to US06/884,453 priority patent/US4761738A/en
Priority to DE8787200656T priority patent/DE3767011D1/de
Priority to EP87200656A priority patent/EP0242909B1/fr
Priority to CA000534941A priority patent/CA1272813A/fr
Priority to IL82239A priority patent/IL82239A0/xx
Priority to JP62096353A priority patent/JPS62254736A/ja
Publication of NL8601004A publication Critical patent/NL8601004A/nl

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/10—Image preprocessing, e.g. calibration, positioning of sources or scatter correction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S378/00—X-ray or gamma ray systems or devices
    • Y10S378/901—Computer tomography program or processor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
NL8601004A 1986-04-21 1986-04-21 Computertomografie-inrichting met gekombineerd recursief- en convolutiefilter. NL8601004A (nl)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL8601004A NL8601004A (nl) 1986-04-21 1986-04-21 Computertomografie-inrichting met gekombineerd recursief- en convolutiefilter.
US06/884,453 US4761738A (en) 1986-04-21 1986-07-11 Computer tomography apparatus including a combined recursive and convolution filter
DE8787200656T DE3767011D1 (de) 1986-04-21 1987-04-07 Ein kombiniertes rekursiv- und konvolutionsfilter enthaltende computertomographie-vorrichtung.
EP87200656A EP0242909B1 (fr) 1986-04-21 1987-04-07 Dispositif de tomographie par ordinateur incorporant un filtre combiné récursif et de convolution
CA000534941A CA1272813A (fr) 1986-04-21 1987-04-16 Appareil de tomographie assistee par ordinateur comprenant un filtre recursif et un processeur a convolution
IL82239A IL82239A0 (en) 1986-04-21 1987-04-17 Computer tomography apparatus
JP62096353A JPS62254736A (ja) 1986-04-21 1987-04-21 コンピユ−タ断層撮影装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8601004A NL8601004A (nl) 1986-04-21 1986-04-21 Computertomografie-inrichting met gekombineerd recursief- en convolutiefilter.
NL8601004 1986-04-21

Publications (1)

Publication Number Publication Date
NL8601004A true NL8601004A (nl) 1987-11-16

Family

ID=19847905

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8601004A NL8601004A (nl) 1986-04-21 1986-04-21 Computertomografie-inrichting met gekombineerd recursief- en convolutiefilter.

Country Status (7)

Country Link
US (1) US4761738A (fr)
EP (1) EP0242909B1 (fr)
JP (1) JPS62254736A (fr)
CA (1) CA1272813A (fr)
DE (1) DE3767011D1 (fr)
IL (1) IL82239A0 (fr)
NL (1) NL8601004A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4897788A (en) * 1988-04-18 1990-01-30 General Electric Company Image correction for computed tomography to remove crosstalk artifacts
US5276614A (en) * 1989-11-17 1994-01-04 Picker International, Inc. Dynamic bandwidth reconstruction
US5020006A (en) * 1989-05-03 1991-05-28 Hewlett-Packard Company Method for finding a reference point
US5043890A (en) * 1989-06-12 1991-08-27 General Electric Compensation of computed tomography data for objects positioned outside the field of view of the reconstructed image
US5517544A (en) * 1991-02-20 1996-05-14 Elscint Ltd. Afterglow artifact reduction
DE19802850A1 (de) * 1998-01-26 1999-07-29 Siemens Ag Bildrekonstruktionsverfahren für die 3D-Rekonstruktion

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1471531A (en) * 1973-04-25 1977-04-27 Emi Ltd Radiography
JPS5459856A (en) * 1977-10-21 1979-05-14 Hitachi Medical Corp Xxray sectional image reproducer
NL8204086A (nl) * 1982-10-22 1984-05-16 Philips Nv Werkwijze en inrichting voor het bepalen van een stralingsverzwakkingsverdeling in een vlak van een lichaam.

Also Published As

Publication number Publication date
JPS62254736A (ja) 1987-11-06
IL82239A0 (en) 1987-10-30
DE3767011D1 (de) 1991-02-07
CA1272813A (fr) 1990-08-14
US4761738A (en) 1988-08-02
EP0242909B1 (fr) 1990-12-27
EP0242909A1 (fr) 1987-10-28

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BV The patent application has lapsed