JP6176828B2 - 画像再構成装置、画像再構成方法およびｘ線コンピュータ断層撮影装置 - Google Patents

画像再構成装置、画像再構成方法およびｘ線コンピュータ断層撮影装置 Download PDF

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JP6176828B2
JP6176828B2 JP2013056612A JP2013056612A JP6176828B2 JP 6176828 B2 JP6176828 B2 JP 6176828B2 JP 2013056612 A JP2013056612 A JP 2013056612A JP 2013056612 A JP2013056612 A JP 2013056612A JP 6176828 B2 JP6176828 B2 JP 6176828B2
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projection data
detector
ray
data
image
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JP2013192951A5 (enExample
JP2013192951A (ja
Inventor
ユー・ジョウ
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Canon Medical Systems Corp
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Toshiba Medical Systems Corp
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    • 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]
    • A61B6/032—Transmission computed tomography [CT]
    • 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
    • A61B6/5205—Devices using data or image processing specially adapted for radiation diagnosis involving processing of raw data to produce diagnostic data
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/416—Exact reconstruction
    • 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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  • 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)
  • Apparatus For Radiation Diagnosis (AREA)
JP2013056612A 2012-03-22 2013-03-19 画像再構成装置、画像再構成方法およびｘ線コンピュータ断層撮影装置 Active JP6176828B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/427,385 2012-03-22
US13/427,385 US8798350B2 (en) 2012-03-22 2012-03-22 Method and system for reconstruction algorithm in cone beam CT with differentiation in one direction on detector

Publications (3)

Publication Number Publication Date
JP2013192951A JP2013192951A (ja) 2013-09-30
JP2013192951A5 JP2013192951A5 (enExample) 2016-04-28
JP6176828B2 true JP6176828B2 (ja) 2017-08-09

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JP2013056612A Active JP6176828B2 (ja) 2012-03-22 2013-03-19 画像再構成装置、画像再構成方法およびｘ線コンピュータ断層撮影装置

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US (1) US8798350B2 (enExample)
JP (1) JP6176828B2 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9198632B2 (en) 2013-02-28 2015-12-01 Kabushiki Kaisha Toshiba Method for scattering correction for sparsely distributed stationary detectors and rotating X-ray source
US9128194B2 (en) 2013-04-19 2015-09-08 Kabushiki Kaisha Toshiba Pileup correction method for a photon-counting detector
US9216005B2 (en) 2013-10-28 2015-12-22 Kabushiki Kaisha Toshiba Synchronized view data acquisition between stationary spectral detectors and rotating energy integrating detectors for spectral computer-aided tomography
US9757088B2 (en) * 2014-11-13 2017-09-12 Toshiba Medical Systems Corporation Detector apparatus for cone beam computed tomography
US9476993B2 (en) 2015-01-07 2016-10-25 Toshiba Medical Systems Corporation Apparatus and method for computing detector response of a photon-counting detector
KR101636207B1 (ko) * 2015-05-07 2016-07-05 한국과학기술원 저 선량 엑스선 전산단층 촬영의 해석적 원리를 이용한 반복 복원 기법 개발
US11786195B2 (en) * 2021-08-24 2023-10-17 Minfound Medical Systems Co. Ltd. Multi-spherical detector for CT system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5251128A (en) * 1990-11-19 1993-10-05 General Electric Company Motion artifact reduction in projection imaging
EP1639547A2 (en) * 2003-06-18 2006-03-29 Philips Intellectual Property & Standards GmbH Computer tomography method using redundant measured values
US7653229B2 (en) * 2003-12-23 2010-01-26 General Electric Company Methods and apparatus for reconstruction of volume data from projection data
US6973157B2 (en) * 2003-12-23 2005-12-06 General Electric Company Method and apparatus for weighted backprojection reconstruction in 3D X-ray imaging
US7424088B2 (en) * 2004-09-29 2008-09-09 Kabushiki Kaisha Toshiba Image reconstruction method using Hilbert transform
JP2007198866A (ja) * 2006-01-25 2007-08-09 Uni-Hite System Corp 広義サドルコーンビームｃｔ装置および３次元再構成法
CN102362292A (zh) * 2009-03-26 2012-02-22 皇家飞利浦电子股份有限公司 用于计算机断层摄影图像重建的方法和设备

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JP2013192951A (ja) 2013-09-30
US20130251224A1 (en) 2013-09-26
US8798350B2 (en) 2014-08-05

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