JP6778158B2 - Ｘ線ｃｔ装置、画像生成方法および画像生成プログラム - Google Patents

Ｘ線ｃｔ装置、画像生成方法および画像生成プログラム Download PDF

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Publication number
JP6778158B2
JP6778158B2 JP2017145779A JP2017145779A JP6778158B2 JP 6778158 B2 JP6778158 B2 JP 6778158B2 JP 2017145779 A JP2017145779 A JP 2017145779A JP 2017145779 A JP2017145779 A JP 2017145779A JP 6778158 B2 JP6778158 B2 JP 6778158B2
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ray
image
projection data
sharpening
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JP2019024747A (ja
JP2019024747A5 (enExample
Inventor
高橋　悠
悠 高橋
後藤　大雅
大雅 後藤
廣川　浩一
浩一 廣川
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Hitachi Ltd
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Hitachi Ltd
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Priority to JP2017145779A priority Critical patent/JP6778158B2/ja
Priority to US16/628,254 priority patent/US11113810B2/en
Priority to PCT/JP2018/014957 priority patent/WO2019021543A1/ja
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    • 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
    • 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
    • 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
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
    • G06T17/10—Constructive solid geometry [CSG] using solid primitives, e.g. cylinders, cubes
    • 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
    • G06T5/00—Image enhancement or restoration
    • G06T5/73—Deblurring; Sharpening
    • 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]

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geometry (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Graphics (AREA)
  • Software Systems (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Quality & Reliability (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Biomedical Technology (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Algebra (AREA)
  • Biophysics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Mathematical Analysis (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
JP2017145779A 2017-07-27 2017-07-27 Ｘ線ｃｔ装置、画像生成方法および画像生成プログラム Active JP6778158B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2017145779A JP6778158B2 (ja) 2017-07-27 2017-07-27 Ｘ線ｃｔ装置、画像生成方法および画像生成プログラム
US16/628,254 US11113810B2 (en) 2017-07-27 2018-04-09 X-ray CT scanner, image generation method, and image generation program
PCT/JP2018/014957 WO2019021543A1 (ja) 2017-07-27 2018-04-09 Ｘ線ｃｔ装置、画像生成方法および画像生成プログラム

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JP2017145779A JP6778158B2 (ja) 2017-07-27 2017-07-27 Ｘ線ｃｔ装置、画像生成方法および画像生成プログラム

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JP2019024747A JP2019024747A (ja) 2019-02-21
JP2019024747A5 JP2019024747A5 (enExample) 2020-03-05
JP6778158B2 true JP6778158B2 (ja) 2020-10-28

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US (1) US11113810B2 (enExample)
JP (1) JP6778158B2 (enExample)
WO (1) WO2019021543A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7772332B2 (ja) * 2021-02-25 2025-11-18 国立大学法人東北大学 画像処理方法、プログラム、および画像処理装置
KR102564740B1 (ko) * 2022-07-21 2023-08-10 주식회사 래디센 개선된 콘트라스트를 갖는 X-ray 이미지 보정 방법 및 이를 위한 장치

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3707347B2 (ja) 2000-04-07 2005-10-19 株式会社島津製作所 Ｘ線ｃｔ装置の画像処理方法及びｘ線ｃｔ装置並びにｘ線ｃｔ撮影用記録媒体
JP3930493B2 (ja) * 2004-05-17 2007-06-13 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 画像処理方法、画像処理装置およびｘ線ｃｔ装置
JP4717511B2 (ja) * 2005-05-20 2011-07-06 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ｃｔ画像再構成方法およびｘ線ｃｔ装置
GB0821561D0 (en) * 2008-11-26 2008-12-31 Siemens Medical Solutions Automated image quality test computation
JP4841639B2 (ja) * 2009-03-09 2011-12-21 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ｃｔ装置
JP6124868B2 (ja) 2012-03-27 2017-05-10 株式会社日立製作所 画像処理装置及び画像処理方法

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JP2019024747A (ja) 2019-02-21
US20200219251A1 (en) 2020-07-09
US11113810B2 (en) 2021-09-07
WO2019021543A1 (ja) 2019-01-31

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