EP2317925A4 - Incorporation de contraintes mathématiques dans des procédés de réduction de dose et d'amélioration d'image en tomographie - Google Patents

Incorporation de contraintes mathématiques dans des procédés de réduction de dose et d'amélioration d'image en tomographie

Info

Publication number
EP2317925A4
EP2317925A4 EP09800891A EP09800891A EP2317925A4 EP 2317925 A4 EP2317925 A4 EP 2317925A4 EP 09800891 A EP09800891 A EP 09800891A EP 09800891 A EP09800891 A EP 09800891A EP 2317925 A4 EP2317925 A4 EP 2317925A4
Authority
EP
European Patent Office
Prior art keywords
tomography
incorporation
methods
image enhancement
dose reduction
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.)
Withdrawn
Application number
EP09800891A
Other languages
German (de)
English (en)
Other versions
EP2317925A2 (fr
Inventor
Jianwei Miao
Benjamin P Fahimian
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.)
University of California
Original Assignee
University of California
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
Priority claimed from PCT/US2009/032733 external-priority patent/WO2009097580A2/fr
Application filed by University of California filed Critical University of California
Publication of EP2317925A2 publication Critical patent/EP2317925A2/fr
Publication of EP2317925A4 publication Critical patent/EP2317925A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/006—Inverse problem, transformation from projection-space into object-space, e.g. transform methods, back-projection, algebraic methods
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/421—Filtered back projection [FBP]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/424—Iterative

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Image Processing (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
EP09800891A 2008-07-23 2009-07-21 Incorporation de contraintes mathématiques dans des procédés de réduction de dose et d'amélioration d'image en tomographie Withdrawn EP2317925A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US8310508P 2008-07-23 2008-07-23
PCT/US2009/032733 WO2009097580A2 (fr) 2008-01-30 2009-01-30 Réduction de dose et amélioration d'image en tomographie par l'utilisation de l'environnement de l'objet en tant que contraintes dynamiques
PCT/US2009/051290 WO2010011676A2 (fr) 2008-07-23 2009-07-21 Incorporation de contraintes mathématiques dans des procédés de réduction de dose et d'amélioration d'image en tomographie

Publications (2)

Publication Number Publication Date
EP2317925A2 EP2317925A2 (fr) 2011-05-11
EP2317925A4 true EP2317925A4 (fr) 2012-10-24

Family

ID=41570830

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09800891A Withdrawn EP2317925A4 (fr) 2008-07-23 2009-07-21 Incorporation de contraintes mathématiques dans des procédés de réduction de dose et d'amélioration d'image en tomographie

Country Status (4)

Country Link
EP (1) EP2317925A4 (fr)
CA (1) CA2729607A1 (fr)
IL (1) IL210408A0 (fr)
WO (1) WO2010011676A2 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8632448B1 (en) 2009-02-05 2014-01-21 Loma Linda University Medical Center Proton scattering analysis system
US8669533B2 (en) 2009-10-01 2014-03-11 Vladimir Bashkirov Ion induced impact ionization detector and uses thereof
JP5726910B2 (ja) * 2010-02-12 2015-06-03 ローマ リンダ ユニヴァーシティ メディカル センター 陽子コンピュータ断層撮影のためのシステム及び方法
RU2586968C2 (ru) 2010-10-27 2016-06-10 Конинклейке Филипс Электроникс Н.В. Уменьшение уровня шума в низкодозной компьютерной томографии
US8841602B2 (en) 2011-03-07 2014-09-23 Loma Linda University Medical Center Systems, devices and methods related to calibration of a proton computed tomography scanner
JP2014523545A (ja) * 2011-06-30 2014-09-11 ジーイー・ヘルスケア・バイオサイエンス・コーポレイション 生体イメージングのための顕微鏡システム及び方法
WO2013002720A1 (fr) * 2011-06-30 2013-01-03 Ge Healthcare Bio-Sciences Corp Optimisation de la qualité d'image en imagerie biologique
CN110853113B (zh) * 2019-11-19 2023-05-26 黄秋 基于bpf的tof-pet图像重建算法及重建系统
US20220277513A1 (en) * 2021-02-26 2022-09-01 National Tsing Hua University Method for constructing a three-dimensional model using tomographic reconstruction technique
US20220414832A1 (en) * 2021-06-24 2022-12-29 Canon Medical Systems Corporation X-ray imaging restoration using deep learning algorithms

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008017076A2 (fr) * 2006-08-03 2008-02-07 The Regents Of The University Of California Procédés itératifs pour la réduction de dose et l'amélioration d'image dans une tomographie

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5937102A (en) * 1996-10-09 1999-08-10 California Institute Of Technology Image reconstruction
US7206459B2 (en) * 2001-07-31 2007-04-17 Ricoh Co., Ltd. Enhancement of compressed images
EP1874554A4 (fr) * 2005-04-25 2009-01-21 Univ Rochester Procede et appareil de debruitage global pour l'imagerie tomographique

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008017076A2 (fr) * 2006-08-03 2008-02-07 The Regents Of The University Of California Procédés itératifs pour la réduction de dose et l'amélioration d'image dans une tomographie

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
LEE E ET AL: "Radiation dose reduction and image enhancement in biological imaging through equally-sloped tomography", JOURNAL OF STRUCTURAL BIOLOGY, ACADEMIC PRESS, UNITED STATES, vol. 164, no. 2, 15 August 2008 (2008-08-15), pages 221 - 227, XP025562439, ISSN: 1047-8477, [retrieved on 20080815], DOI: 10.1016/J.JSB.2008.07.011 *

Also Published As

Publication number Publication date
IL210408A0 (en) 2011-03-31
WO2010011676A3 (fr) 2010-04-22
EP2317925A2 (fr) 2011-05-11
CA2729607A1 (fr) 2010-01-28
WO2010011676A2 (fr) 2010-01-28

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