JP4360817B2 - 放射線断層撮影装置 - Google Patents

放射線断層撮影装置 Download PDF

Info

Publication number
JP4360817B2
JP4360817B2 JP2003078125A JP2003078125A JP4360817B2 JP 4360817 B2 JP4360817 B2 JP 4360817B2 JP 2003078125 A JP2003078125 A JP 2003078125A JP 2003078125 A JP2003078125 A JP 2003078125A JP 4360817 B2 JP4360817 B2 JP 4360817B2
Authority
JP
Japan
Prior art keywords
radiation
projection data
data
reconstruction
radiation source
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
JP2003078125A
Other languages
English (en)
Japanese (ja)
Other versions
JP2004188163A5 (enExample
JP2004188163A (ja
Inventor
大雅 後藤
宮崎　　靖
浩一 廣川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Healthcare Manufacturing Ltd
Original Assignee
Hitachi Medical Corp
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 Hitachi Medical Corp filed Critical Hitachi Medical Corp
Priority to JP2003078125A priority Critical patent/JP4360817B2/ja
Priority to US10/524,341 priority patent/US7684539B2/en
Priority to PCT/JP2003/010971 priority patent/WO2004034908A1/ja
Priority to CN03824376.8A priority patent/CN1688254B/zh
Publication of JP2004188163A publication Critical patent/JP2004188163A/ja
Publication of JP2004188163A5 publication Critical patent/JP2004188163A5/ja
Application granted granted Critical
Publication of JP4360817B2 publication Critical patent/JP4360817B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • 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
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • 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
    • A61B6/027—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral
    • 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
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4064—Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
    • A61B6/4085—Cone-beams
    • 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]

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Pulmonology (AREA)
  • General Physics & Mathematics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
JP2003078125A 2002-10-18 2003-03-20 放射線断層撮影装置 Expired - Lifetime JP4360817B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2003078125A JP4360817B2 (ja) 2002-10-18 2003-03-20 放射線断層撮影装置
US10/524,341 US7684539B2 (en) 2002-10-18 2003-08-28 X-ray tomograph
PCT/JP2003/010971 WO2004034908A1 (ja) 2002-10-18 2003-08-28 X線断層撮影装置
CN03824376.8A CN1688254B (zh) 2002-10-18 2003-08-28 X线断层摄影装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002304463 2002-10-18
JP2003078125A JP4360817B2 (ja) 2002-10-18 2003-03-20 放射線断層撮影装置

Publications (3)

Publication Number Publication Date
JP2004188163A JP2004188163A (ja) 2004-07-08
JP2004188163A5 JP2004188163A5 (enExample) 2006-04-20
JP4360817B2 true JP4360817B2 (ja) 2009-11-11

Family

ID=32109481

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003078125A Expired - Lifetime JP4360817B2 (ja) 2002-10-18 2003-03-20 放射線断層撮影装置

Country Status (4)

Country Link
US (1) US7684539B2 (enExample)
JP (1) JP4360817B2 (enExample)
CN (1) CN1688254B (enExample)
WO (1) WO2004034908A1 (enExample)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6917663B2 (en) * 2003-06-16 2005-07-12 Kabushiki Kaisha Toshiba Cone-beam reconstruction apparatus and computed tomography apparatus
JP4785441B2 (ja) * 2005-06-23 2011-10-05 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
JP4509971B2 (ja) * 2006-06-09 2010-07-21 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
JP5572386B2 (ja) * 2006-10-18 2014-08-13 コーニンクレッカ フィリップス エヌ ヴェ 関心領域を撮像する撮像システム、撮像方法及びコンピュータプログラム
US8116426B2 (en) * 2008-11-11 2012-02-14 Kabushiki Kaisha Toshiba Computed tomography device and method using circular-pixel position-adaptive interpolation
US8159493B2 (en) 2009-02-03 2012-04-17 Xerox Corporation Adaptive grand tour
US9025848B2 (en) * 2010-06-17 2015-05-05 Hitachi Medical Corporation X-ray CT apparatus and control method for reconstructing X-ray CT images from filtered projection data
JP5601683B2 (ja) * 2010-06-28 2014-10-08 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 画像生成装置およびプログラム並びにｘ線ｃｔ装置
JP5728304B2 (ja) * 2011-06-21 2015-06-03 株式会社日立メディコ Ｘ線ｃｔ装置及び画像再構成方法
CN103619259B (zh) * 2011-07-08 2015-12-09 株式会社日立医疗器械 图像重构装置及图像重构方法
US9406121B2 (en) 2012-04-24 2016-08-02 Hitachi Medical Corporation X-ray CT apparatus and image reconstruction method
CA2889495A1 (en) 2012-10-30 2014-05-08 California Institute Of Technology Fourier ptychographic imaging systems, devices, and methods
US10652444B2 (en) 2012-10-30 2020-05-12 California Institute Of Technology Multiplexed Fourier ptychography imaging systems and methods
US9864184B2 (en) 2012-10-30 2018-01-09 California Institute Of Technology Embedded pupil function recovery for fourier ptychographic imaging devices
CN103961122B (zh) * 2013-01-31 2018-07-31 通用电气公司 用于非等γ角CT系统中数据转换的方法和装置
JP2016534389A (ja) 2013-07-31 2016-11-04 カリフォルニア インスティチュート オブ テクノロジー 開口走査フーリエタイコグラフィ撮像
CA2921372A1 (en) 2013-08-22 2015-02-26 California Institute Of Technology Variable-illumination fourier ptychographic imaging devices, systems, and methods
JP6351017B2 (ja) * 2014-02-24 2018-07-04 国立研究開発法人量子科学技術研究開発機構 放射線治療用動体追跡装置、放射線治療用照射領域決定装置および放射線治療装置
US11468557B2 (en) 2014-03-13 2022-10-11 California Institute Of Technology Free orientation fourier camera
CA2966926A1 (en) 2014-12-22 2016-06-30 California Institute Of Technology Epi-illumination fourier ptychographic imaging for thick samples
CN107209362B (zh) * 2015-01-21 2020-11-06 加州理工学院 傅立叶重叠关联断层摄影
CN109507155B (zh) 2015-01-26 2021-08-24 加州理工学院 阵列级傅立叶重叠关联成像
JP6665119B2 (ja) * 2015-02-12 2020-03-13 株式会社日立製作所 Ｘ線ｃｔ装置及び画像処理装置
CN107407799B (zh) 2015-03-13 2020-09-18 加州理工学院 使用傅里叶叠层成像技术校正不相干成像系统中的像差
JP6654102B2 (ja) * 2016-05-31 2020-02-26 株式会社日立製作所 粒子線治療システム
US10568507B2 (en) 2016-06-10 2020-02-25 California Institute Of Technology Pupil ptychography methods and systems
US11092795B2 (en) 2016-06-10 2021-08-17 California Institute Of Technology Systems and methods for coded-aperture-based correction of aberration obtained from Fourier ptychography
US10754140B2 (en) 2017-11-03 2020-08-25 California Institute Of Technology Parallel imaging acquisition and restoration methods and systems
EP4111179A4 (en) * 2020-02-27 2023-11-15 Shenzhen Xpectvision Technology Co., Ltd. IMAGING SYSTEM
US12198300B2 (en) 2021-02-25 2025-01-14 California Institute Of Technology Computational refocusing-assisted deep learning

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5047931A (en) * 1989-05-30 1991-09-10 General Electric Company Parallel computation of fan-beam back-projection reconstruction algorithm in computed tomography
US5390112A (en) * 1993-10-04 1995-02-14 General Electric Company Three-dimensional computerized tomography scanning method and system for imaging large objects with smaller area detectors
JP3499624B2 (ja) * 1995-01-11 2004-02-23 株式会社東芝 コンピュータ断層撮影装置
JP2914891B2 (ja) * 1995-07-05 1999-07-05 株式会社東芝 Ｘ線コンピュータ断層撮影装置
CN1107290C (zh) * 1996-05-02 2003-04-30 西门子公司 计算机层析x射线摄影机的图像再现方法
JPH10290798A (ja) * 1997-04-17 1998-11-04 Ge Yokogawa Medical Syst Ltd 投影データ測定方法および装置並びにｘ線ｃｔ装置
US5889833A (en) * 1997-06-17 1999-03-30 Kabushiki Kaisha Toshiba High speed computed tomography device and method
DE59902252D1 (de) * 1998-01-13 2002-09-12 Koninkl Philips Electronics Nv Computertomographie-verfahren mit helixförmiger abtastung eines untersuchungsbereichs
US6947584B1 (en) * 1998-08-25 2005-09-20 General Electric Company Volume imaging system
US6097784A (en) * 1998-09-30 2000-08-01 Picker International, Inc. 3D image reconstruction for helical partial cone beam data
JP4406106B2 (ja) * 1999-02-04 2010-01-27 株式会社東芝 Ｘ線ｃｔ装置
JP2002095655A (ja) * 2000-09-26 2002-04-02 Shimadzu Corp Ｃｔ装置
JP4607364B2 (ja) * 2001-04-04 2011-01-05 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
JP2003026080A (ja) * 2001-07-10 2003-01-29 Kayaba Ind Co Ltd バウランプ装置
US6678346B2 (en) * 2001-10-11 2004-01-13 Ge Medical Systems Global Technology Company Llc Cone-beam CT scanner with image reconstruction using multiple sub-images
US6490333B1 (en) * 2001-12-28 2002-12-03 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for cone-tilted parallel sampling and reconstruction
US20030128801A1 (en) * 2002-01-07 2003-07-10 Multi-Dimensional Imaging, Inc. Multi-modality apparatus for dynamic anatomical, physiological and molecular imaging

Also Published As

Publication number Publication date
WO2004034908A1 (ja) 2004-04-29
JP2004188163A (ja) 2004-07-08
CN1688254B (zh) 2010-09-29
US7684539B2 (en) 2010-03-23
US20060165211A1 (en) 2006-07-27
CN1688254A (zh) 2005-10-26

Similar Documents

Publication Publication Date Title
JP4360817B2 (ja) 放射線断層撮影装置
US6292530B1 (en) Method and apparatus for reconstructing image data acquired by a tomosynthesis x-ray imaging system
US5825842A (en) X-ray computed tomographic imaging device and x-ray computed tomographic method
JP4282302B2 (ja) Ｘ線ｃｔ装置
US6452996B1 (en) Methods and apparatus utilizing generalized helical interpolation algorithm
EP0430549B1 (en) Helical scan computed tomography
JP5142664B2 (ja) Ｘ線コンピュータ断層撮影装置
US9662084B2 (en) Method and apparatus for iteratively reconstructing tomographic images from electrocardiographic-gated projection data
JP4553894B2 (ja) 正確な再構成を伴うヘリカルコーンビームコンピュータトモグラフィのためのシステム及び方法
JP4646810B2 (ja) 断層撮影像の再構成方法及び断層撮影装置
JPH08509408A (ja) 円すい状ビームデータからの画像の再構成
JPH0661326B2 (ja) らせん走査で断層像を作成する方法および装置
JP4342164B2 (ja) コンピュータ断層撮影装置
US7672424B2 (en) Image reconstruction with voxel dependent interpolation
JP3917684B2 (ja) 物体の断層写真像を作成する方法及び装置
JP4785441B2 (ja) Ｘ線ｃｔ装置
JPH119582A (ja) Ｘ線コンピュータ断層撮影装置
JP4467873B2 (ja) 断層撮影装置
US7809100B2 (en) Rebinning for computed tomography imaging
US6542572B2 (en) Computed tomography method involving a helical relative motion
US6999550B2 (en) Method and apparatus for obtaining data for reconstructing images of an object
JP2006527618A (ja) 余剰な測定値を使用するコンピュータ断層撮影法
JP2007159878A (ja) Ｘ線ｃｔ装置およびそのｘ線ｃｔ画像再構成方法
JP4387758B2 (ja) Ｓｐｅｃｔ装置及びｓｐｅｃｔ画像再構成方法
JP2004121706A (ja) データ補正方法およびｘ線ｃｔ装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060222

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20060222

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20081104

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20081226

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090203

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090406

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20090811

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20090811

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

Ref document number: 4360817

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120821

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120821

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130821

Year of fee payment: 4

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313111

S533 Written request for registration of change of name

Free format text: JAPANESE INTERMEDIATE CODE: R313533

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313111

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term