JP4551612B2 - コンピュータ断層撮影装置 - Google Patents

コンピュータ断層撮影装置 Download PDF

Info

Publication number
JP4551612B2
JP4551612B2 JP2002346926A JP2002346926A JP4551612B2 JP 4551612 B2 JP4551612 B2 JP 4551612B2 JP 2002346926 A JP2002346926 A JP 2002346926A JP 2002346926 A JP2002346926 A JP 2002346926A JP 4551612 B2 JP4551612 B2 JP 4551612B2
Authority
JP
Japan
Prior art keywords
reconstruction
ray
image
slice
slices
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
JP2002346926A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003225230A5 (https=
JP2003225230A (ja
Inventor
清 長田
昌快 津雪
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP2002346926A priority Critical patent/JP4551612B2/ja
Publication of JP2003225230A publication Critical patent/JP2003225230A/ja
Publication of JP2003225230A5 publication Critical patent/JP2003225230A5/ja
Application granted granted Critical
Publication of JP4551612B2 publication Critical patent/JP4551612B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Image Analysis (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
JP2002346926A 2001-11-29 2002-11-29 コンピュータ断層撮影装置 Expired - Lifetime JP4551612B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002346926A JP4551612B2 (ja) 2001-11-29 2002-11-29 コンピュータ断層撮影装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001-363623 2001-11-29
JP2001363623 2001-11-29
JP2002346926A JP4551612B2 (ja) 2001-11-29 2002-11-29 コンピュータ断層撮影装置

Publications (3)

Publication Number Publication Date
JP2003225230A JP2003225230A (ja) 2003-08-12
JP2003225230A5 JP2003225230A5 (https=) 2006-01-19
JP4551612B2 true JP4551612B2 (ja) 2010-09-29

Family

ID=27759434

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002346926A Expired - Lifetime JP4551612B2 (ja) 2001-11-29 2002-11-29 コンピュータ断層撮影装置

Country Status (1)

Country Link
JP (1) JP4551612B2 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4559723B2 (ja) * 2003-10-31 2010-10-13 株式会社東芝 放射線ｃｔ装置、画像処理装置、及び画像処理方法
JP4884649B2 (ja) * 2004-01-07 2012-02-29 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
JP4639331B2 (ja) * 2005-01-21 2011-02-23 国立大学法人金沢大学 コーンビームｃｔ装置
JP5179007B2 (ja) * 2005-12-01 2013-04-10 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ｃｔ装置およびそのｘ線ｃｔ画像再構成方法
US7593502B2 (en) * 2006-10-13 2009-09-22 General Electric Company Methods and apparatus for fast rotation speed scanners

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0721349A (ja) * 1993-06-22 1995-01-24 Toshiba Corp 画像再構成方法
JP2825446B2 (ja) * 1993-09-06 1998-11-18 株式会社東芝 Ｘ線コンピュータトモグラフィ装置
JPH07124147A (ja) * 1993-11-05 1995-05-16 Toshiba Corp 放射線コンピュータ断層撮影装置
JPH08606A (ja) * 1994-06-23 1996-01-09 Hitachi Medical Corp Ｘ線ｃｔ装置
JP2774790B2 (ja) * 1995-02-16 1998-07-09 株式会社東芝 Ｘ線ｃｔスキャナ
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
JPH09192126A (ja) * 1996-01-24 1997-07-29 Toshiba Corp 画像再構成処理装置
JP3678375B2 (ja) * 1996-03-29 2005-08-03 株式会社東芝 放射線断層撮影装置
JPH1021372A (ja) * 1996-07-05 1998-01-23 Toshiba Corp Ｘ線ｃｔ装置
JP3763611B2 (ja) * 1996-07-12 2006-04-05 株式会社東芝 Ｘ線ｃｔスキャナ
JP3742690B2 (ja) * 1996-08-30 2006-02-08 株式会社東芝 Ｘ線ｃｔスキャナ
JP3980696B2 (ja) * 1997-03-05 2007-09-26 株式会社東芝 画像再構成処理装置
US6275562B1 (en) * 1998-04-28 2001-08-14 General Electric Company Apparatus and methods for performing scalable multislice computed tomography scan
WO2000038576A1 (en) * 1998-12-30 2000-07-06 General Electric Company Image thickness selection for multislice imaging system
JP4406106B2 (ja) * 1999-02-04 2010-01-27 株式会社東芝 Ｘ線ｃｔ装置
JP4260966B2 (ja) * 1999-03-12 2009-04-30 株式会社東芝 Ｘ線コンピュータ断層撮影装置
US6295331B1 (en) * 1999-07-12 2001-09-25 General Electric Company Methods and apparatus for noise compensation in imaging systems
US6542570B1 (en) * 2000-04-14 2003-04-01 Kabushiki Kaisha Toshiba Method and system for reconstructing computed tomography images using redundant data

Also Published As

Publication number Publication date
JP2003225230A (ja) 2003-08-12

Similar Documents

Publication Publication Date Title
US6922457B2 (en) Computer tomography apparatus
JP2007000406A (ja) Ｘ線ｃｔ撮影方法およびｘ線ｃｔ装置
JP2004180715A (ja) Ｘ線コンピュータ断層撮影装置
EP0950372A1 (en) Methods and apparatus for dose reduction in a computed tomograph system
JP4612294B2 (ja) Ｘ線コンピュータ断層装置、ｘ線コンピュータ断層装置制御方法、及びｘ線コンピュータ断層撮影プログラム
JP4440588B2 (ja) 周期的に運動する被検体のｃｔ画像の形成装置およびｃｔ装置
WO2003043499A1 (en) X-ray ct device, and method for preparing tomographic image thereof
US6292527B1 (en) Method for operating a computed tomography (CT) device
JP4469555B2 (ja) Ｘ線コンピュータ断層撮影装置
JP2003190138A (ja) コンピュータ断層撮影装置
JP3313611B2 (ja) 放射線断層撮影方法および装置
JP4175809B2 (ja) コンピュータ断層撮影装置
JP4551612B2 (ja) コンピュータ断層撮影装置
JP4482012B2 (ja) コンピュータ断層撮影装置
JP4406106B2 (ja) Ｘ線ｃｔ装置
JP2002306465A (ja) 計算機式断層写真法による心臓又は器官撮像の方法及び装置
JP4490627B2 (ja) コンピュータ断層撮影装置
JP4176987B2 (ja) Ｘ線ｃｔ装置
JP2004208799A (ja) 透過ｘ線データ獲得装置およびｘ線ｃｔ装置
JP3796378B2 (ja) Ｘ線ｃｔ装置
JP4119110B2 (ja) Ｘ線コンピュータ断層撮影装置
KR100654589B1 (ko) 방사선단층촬영방법및장치
JP3023201B2 (ja) Ｘ線コンピュータ断層撮影装置
JP4610795B2 (ja) スライス厚決定方法、スライス厚決定装置、プログラムおよびｘ線ｃｔ装置
JP4623858B2 (ja) Ｘ線ｃｔ装置

Legal Events

Date Code Title Description
RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20050427

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20050620

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20051124

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20051124

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20090203

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090220

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090416

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20091023

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20091222

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: 20100618

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: 20100712

R151 Written notification of patent or utility model registration

Ref document number: 4551612

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151

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

Free format text: PAYMENT UNTIL: 20130716

Year of fee payment: 3

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

Free format text: PAYMENT UNTIL: 20130716

Year of fee payment: 3

R154 Certificate of patent or utility model (reissue)

Free format text: JAPANESE INTERMEDIATE CODE: R154

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313117

Free format text: JAPANESE INTERMEDIATE CODE: R313114

Free format text: JAPANESE INTERMEDIATE CODE: R313111

R371 Transfer withdrawn

Free format text: JAPANESE INTERMEDIATE CODE: R371

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313117

Free format text: JAPANESE INTERMEDIATE CODE: R313114

Free format text: JAPANESE INTERMEDIATE CODE: R313111

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

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

EXPY Cancellation because of completion of term