CN115039135A - 处理计算机断层扫描(ct)数据以用于滤波反投影(fbp)的方法 - Google Patents

处理计算机断层扫描(ct)数据以用于滤波反投影(fbp)的方法 Download PDF

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Publication number
CN115039135A
CN115039135A CN202080094794.6A CN202080094794A CN115039135A CN 115039135 A CN115039135 A CN 115039135A CN 202080094794 A CN202080094794 A CN 202080094794A CN 115039135 A CN115039135 A CN 115039135A
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data
image
sinograms
noise
frequency
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Chinese (zh)
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G·谢克特
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Koninklijke Philips NV
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Koninklijke Philips NV
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/20—Inverse problem, i.e. transformations from projection space into object space
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G06T7/0012—Biomedical image inspection
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10072—Tomographic images
    • G06T2207/10081—Computed x-ray tomography [CT]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/408—Dual energy
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/421—Filtered back projection [FBP]

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Radiology & Medical Imaging (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Health & Medical Sciences (AREA)
  • Quality & Reliability (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Health & Medical Sciences (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
  • Algebra (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
CN202080094794.6A 2019-12-27 2020-12-24 处理计算机断层扫描(ct)数据以用于滤波反投影(fbp)的方法 Pending CN115039135A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP19219793.7A EP3843042A1 (en) 2019-12-27 2019-12-27 Method of processing computer tomography (ct) data for filter back projection (fbp)
EP19219793.7 2019-12-27
PCT/EP2020/087892 WO2021130379A2 (en) 2019-12-27 2020-12-24 Method of processing computer tomography (ct) data for filter back projection (fbp)

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CN115039135A true CN115039135A (zh) 2022-09-09

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US (1) US20230053052A1 (https=)
EP (2) EP3843042A1 (https=)
JP (1) JP7624997B2 (https=)
CN (1) CN115039135A (https=)
WO (1) WO2021130379A2 (https=)

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Publication number Priority date Publication date Assignee Title
CN117726704B (zh) * 2023-12-19 2024-11-05 燕山大学 一种卡通纹理字典网络的有限角度ct金属伪影校正方法
CN118986382B (zh) * 2024-08-05 2025-09-09 清华大学 能谱锥束伪影抑制方法、装置、设备、介质及程序产品
CN118986381B (zh) * 2024-08-05 2025-09-19 东南大学 一种基于aigc条件生成的顺序扫描dect心脏成像方法

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US20180096476A1 (en) * 2016-09-30 2018-04-05 Toshiba Medical Systems Corporation Data fidelity weight design for iterative reconstruction

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JP4414420B2 (ja) * 2006-10-27 2010-02-10 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Ｘ線断層撮影装置およびアーチファクトの低減方法
JP5389324B2 (ja) * 2006-12-18 2014-01-15 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Ｘ線断層撮影装置
US9558570B2 (en) * 2013-04-16 2017-01-31 The Research Foundation For The State University Of New York Iterative reconstruction for X-ray computed tomography using prior-image induced nonlocal regularization
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US20180096476A1 (en) * 2016-09-30 2018-04-05 Toshiba Medical Systems Corporation Data fidelity weight design for iterative reconstruction

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Publication number Publication date
US20230053052A1 (en) 2023-02-16
JP7624997B2 (ja) 2025-01-31
EP3843042A1 (en) 2021-06-30
JP2023508147A (ja) 2023-03-01
EP4081984A2 (en) 2022-11-02
WO2021130379A3 (en) 2021-09-30
WO2021130379A2 (en) 2021-07-01

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