JP2021525141A - Ｘ線イメージングのための散乱補正 - Google Patents

Ｘ線イメージングのための散乱補正 Download PDF

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JP2021525141A
JP2021525141A JP2020565940A JP2020565940A JP2021525141A JP 2021525141 A JP2021525141 A JP 2021525141A JP 2020565940 A JP2020565940 A JP 2020565940A JP 2020565940 A JP2020565940 A JP 2020565940A JP 2021525141 A JP2021525141 A JP 2021525141A
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image
kernel
scattering
scatter
kernels
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Japanese (ja)
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JP2021525141A5 (https=
Inventor
ベムト メンセル
ベムト メンセル
ペーター プリンセン
ペーター プリンセン
ディレク シェーフェル
ディレク シェーフェル
イェンス ウィーヘルト
イェンス ウィーヘルト
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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
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5258—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise
    • A61B6/5282—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise due to scatter
    • 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
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10116—X-ray image

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Pathology (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
JP2020565940A 2018-05-29 2019-05-28 Ｘ線イメージングのための散乱補正 Pending JP2021525141A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP18174785.8 2018-05-29
EP18174785.8A EP3576047A1 (en) 2018-05-29 2018-05-29 Scatter correction for x-ray imaging
PCT/EP2019/063749 WO2019229032A1 (en) 2018-05-29 2019-05-28 Scatter correction for x-ray imaging

Publications (2)

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JP2021525141A true JP2021525141A (ja) 2021-09-24
JP2021525141A5 JP2021525141A5 (https=) 2022-05-17

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JP2020565940A Pending JP2021525141A (ja) 2018-05-29 2019-05-28 Ｘ線イメージングのための散乱補正

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US (1) US11663756B2 (https=)
EP (2) EP3576047A1 (https=)
JP (1) JP2021525141A (https=)
CN (1) CN112204607B (https=)
WO (1) WO2019229032A1 (https=)

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Publication number Priority date Publication date Assignee Title
CN115577599A (zh) * 2022-11-17 2023-01-06 东南大学 一种基于组件法的电机拓扑优化方法

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US12039745B2 (en) * 2021-07-27 2024-07-16 GE Precision Healthcare LLC Method and systems for removing anti-scatter grid artifacts in x-ray imaging
US12159330B2 (en) 2022-02-17 2024-12-03 Canon Medical Systems Corporation Event property-dependent point spread function modeling and image reconstruction for PET
CN114399564B (zh) * 2022-03-25 2022-08-12 康达洲际医疗器械有限公司 一种基于散射识别的锥束计算机断层扫描成像方法与系统
US12561873B2 (en) * 2023-02-20 2026-02-24 Canon Medical Systems Corporation Image processing apparatus and method

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JP2015181649A (ja) * 2014-03-24 2015-10-22 富士フイルム株式会社 放射線画像処理装置および方法並びにプログラム
JP2016198469A (ja) * 2015-04-13 2016-12-01 キヤノン株式会社 画像処理装置、画像処理システム、画像処理方法、及びプログラム
JP2016202219A (ja) * 2015-04-15 2016-12-08 コニカミノルタ株式会社 放射線画像撮影システムおよび体厚の推定方法

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US6618466B1 (en) 2002-02-21 2003-09-09 University Of Rochester Apparatus and method for x-ray scatter reduction and correction for fan beam CT and cone beam volume CT
DE102004029010A1 (de) * 2004-06-16 2006-01-19 Siemens Ag Vorrichtung und Verfahren für die Streustrahlungskorrektur in der Projektionsradiographie, insbesondere der Mammographie
US20090202127A1 (en) * 2006-06-22 2009-08-13 Koninklijke Philips Electronics N.V. Method And System For Error Compensation
US8000435B2 (en) 2006-06-22 2011-08-16 Koninklijke Philips Electronics N.V. Method and system for error compensation
DE102006045722B4 (de) 2006-09-27 2014-11-27 Siemens Aktiengesellschaft Verfahren zur Korrektur der Streustrahlung in der Projektionsradiographie und der Comupter-Tomographie und Apparat hierfür
DE102006046047A1 (de) 2006-09-28 2008-04-03 Siemens Ag Verfahren zur kombinierten Knochenaufhärtungs- und Streustrahlungskorrektur in der Röntgen-Computertomographie
US8326011B2 (en) * 2008-05-21 2012-12-04 Varian Medical Systems, Inc. Methods, systems, and computer-program products for estimating scattered radiation in radiographic projections
US8488902B2 (en) 2009-01-29 2013-07-16 Koninklijke Philips Electronics N.V. Detection values correction apparatus
US8199873B2 (en) 2010-04-15 2012-06-12 Varian Medical Systems Inc. Methods of scatter correction of x-ray projection data 2
US8705827B2 (en) * 2011-04-15 2014-04-22 Georgia Tech Research Corporation Scatter correction methods
US8483471B2 (en) * 2011-06-30 2013-07-09 General Electric Company Method and system for scatter correction in X-ray imaging
US9330458B2 (en) 2012-06-01 2016-05-03 Varian Medical Systems, Inc. Methods and systems for estimating scatter
US10314558B2 (en) * 2015-04-13 2019-06-11 Canon Kabushiki Kaisha Image processing apparatus, image processing system, image processing method, and recording medium
US10417761B2 (en) * 2015-05-07 2019-09-17 Koninklijke Philips N.V. Beam hardening correction for scanning dark field and phase contrast imaging
US10271811B2 (en) 2016-07-14 2019-04-30 Toshiba Medical Systems Corporation Scatter simulation with a radiative transfer equation using direct integral spherical harmonics method for computed tomography
EP3435325A1 (en) * 2017-07-26 2019-01-30 Koninklijke Philips N.V. Scatter correction for dark field imaging
CN107595312B (zh) * 2017-08-31 2020-12-04 上海联影医疗科技股份有限公司 模型生成方法、图像处理方法及医学成像设备
CN107516330B (zh) * 2017-08-31 2021-02-09 上海联影医疗科技股份有限公司 模型生成方法、图像处理方法及医学成像设备
GB2589643B (en) * 2019-12-06 2022-05-04 Ibex Innovations Ltd Material-based x-ray image enhancement

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
JP2015181649A (ja) * 2014-03-24 2015-10-22 富士フイルム株式会社 放射線画像処理装置および方法並びにプログラム
JP2016198469A (ja) * 2015-04-13 2016-12-01 キヤノン株式会社 画像処理装置、画像処理システム、画像処理方法、及びプログラム
JP2016202219A (ja) * 2015-04-15 2016-12-08 コニカミノルタ株式会社 放射線画像撮影システムおよび体厚の推定方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115577599A (zh) * 2022-11-17 2023-01-06 东南大学 一种基于组件法的电机拓扑优化方法

Also Published As

Publication number Publication date
EP3803779A1 (en) 2021-04-14
CN112204607A (zh) 2021-01-08
EP3803779B1 (en) 2021-12-29
US20210192807A1 (en) 2021-06-24
CN112204607B (zh) 2024-04-19
US11663756B2 (en) 2023-05-30
WO2019229032A1 (en) 2019-12-05
EP3576047A1 (en) 2019-12-04

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