ATE380373T1 - Windmühlen-artefaktreduktion bei der mehrschicht- ct-rekonstruktion - Google Patents

Windmühlen-artefaktreduktion bei der mehrschicht- ct-rekonstruktion

Info

Publication number
ATE380373T1
ATE380373T1 AT05702605T AT05702605T ATE380373T1 AT E380373 T1 ATE380373 T1 AT E380373T1 AT 05702605 T AT05702605 T AT 05702605T AT 05702605 T AT05702605 T AT 05702605T AT E380373 T1 ATE380373 T1 AT E380373T1
Authority
AT
Austria
Prior art keywords
windmill
windmill artifact
filtered
field
image data
Prior art date
Application number
AT05702605T
Other languages
English (en)
Inventor
Gilad Shechter
Original Assignee
Koninkl Philips Electronics 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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE380373T1 publication Critical patent/ATE380373T1/de

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
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Image Generation (AREA)
  • Wind Motors (AREA)
AT05702605T 2004-01-29 2005-01-06 Windmühlen-artefaktreduktion bei der mehrschicht- ct-rekonstruktion ATE380373T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US54028004P 2004-01-29 2004-01-29

Publications (1)

Publication Number Publication Date
ATE380373T1 true ATE380373T1 (de) 2007-12-15

Family

ID=34826208

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05702605T ATE380373T1 (de) 2004-01-29 2005-01-06 Windmühlen-artefaktreduktion bei der mehrschicht- ct-rekonstruktion

Country Status (6)

Country Link
EP (1) EP1714254B1 (de)
JP (1) JP2007519460A (de)
CN (1) CN100481130C (de)
AT (1) ATE380373T1 (de)
DE (1) DE602005003647T2 (de)
WO (1) WO2005073922A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8045776B2 (en) * 2007-03-06 2011-10-25 General Electric Company Geometry-dependent filtering in CT method and apparatus
DE102008052691A1 (de) 2008-10-22 2010-04-29 Siemens Aktiengesellschaft Vorrichtung und Verfahren zur Rekonstruktion und Visualisierung von Volumendaten auf der Basis allgemeiner Projektionsdaten
WO2011042821A1 (en) 2009-10-06 2011-04-14 Koninklijke Philips Electronics, N.V. Method for artifact reduction in cone-beam ct images
JP5872212B2 (ja) * 2011-09-08 2016-03-01 株式会社東芝 マルチスライスｃｔ装置及びデータ前処理方法
CN102621681B (zh) * 2012-03-09 2014-07-16 李华 用于量子显微ct锥形光束成像衰减补偿系统的控制方法
CN104978717A (zh) 2015-06-11 2015-10-14 沈阳东软医疗系统有限公司 Ct重建图像的处理方法、装置及设备
CN108460740B (zh) * 2018-03-06 2021-12-14 赛诺威盛科技(北京)股份有限公司 Ct螺旋重建图像伪影去除方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4025530B2 (ja) * 2001-10-24 2007-12-19 株式会社日立メディコ Ｘ線ｃｔ装置

Also Published As

Publication number Publication date
DE602005003647T2 (de) 2008-10-30
CN100481130C (zh) 2009-04-22
EP1714254A1 (de) 2006-10-25
EP1714254B1 (de) 2007-12-05
DE602005003647D1 (de) 2008-01-17
WO2005073922A1 (en) 2005-08-11
JP2007519460A (ja) 2007-07-19
CN1914644A (zh) 2007-02-14

Similar Documents

Publication Publication Date Title
ATE380373T1 (de) Windmühlen-artefaktreduktion bei der mehrschicht- ct-rekonstruktion
JP5662447B2 (ja) 関心領域画像の再構成
CN103649990B (zh) 用于谱ct的图像处理
US10064591B2 (en) System, method and computer readable medium for preview of low-dose x-ray projection and tomographic images
Wang et al. Multiscale penalized weighted least-squares sinogram restoration for low-dose X-ray computed tomography
US7623691B2 (en) Method for helical windmill artifact reduction with noise restoration for helical multislice CT
JP2007050259A (ja) ボリュームデータ再構成後の断層撮影３ｄ画像のフィルタリング方法
US8855394B2 (en) Methods and apparatus for texture based filter fusion for CBCT system and cone-beam image reconstruction
US9418417B2 (en) Image processing apparatus, tomography apparatus, image processing method, and storage medium
US8781198B2 (en) High contrast imaging and fast imaging reconstruction
CN103810733B (zh) 一种稀疏角度x射线ct图像的统计迭代重建方法
EP2670307A1 (de) Mammografie mit hohem dynamikbereich mit digitalem vollfeldmammogramm mit begrenztem dynamikbereich
CN103810734A (zh) 一种低剂量x射线ct投影数据恢复方法
CN108292430A (zh) 用于对功能医学成像中的定量图生成进行自动优化的方法
JP2015066445A (ja) コンピュータ断層撮影（ｃｔ）画像再構成におけるアーチファクトを低減するための方法および装置
JP2018531659A (ja) オブジェクト用のｘ線画像装置
CN112842370A (zh) 用于x射线成像中的参数噪声调制的方法和系统
Zhu et al. Evaluation of the dental spectral cone beam CT for metal artefact reduction
JP6671267B2 (ja) 画像処理装置、方法およびプログラム
Lemmens et al. Impact of metal artefacts due to EEG electrodes in brain PET/CT imaging
Abdelwahab et al. Application of texture analysis algorithm for data extraction in dental X-ray images
JPH07301674A (ja) 核医学イメージング装置の補正方法
JP2013027520A (ja) 画像生成方法、画像生成装置及びプログラム並びにｘ線ｃｔ装置
Lu et al. Projection-based denoising method for photon-counting energy-resolving detectors
Lorch et al. Projection and reconstruction-based noise filtering methods in cone beam CT

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties