JP4398525B2 - X線コンピュータ断層撮影装置 - Google Patents

X線コンピュータ断層撮影装置 Download PDF

Info

Publication number
JP4398525B2
JP4398525B2 JP00280099A JP280099A JP4398525B2 JP 4398525 B2 JP4398525 B2 JP 4398525B2 JP 00280099 A JP00280099 A JP 00280099A JP 280099 A JP280099 A JP 280099A JP 4398525 B2 JP4398525 B2 JP 4398525B2
Authority
JP
Japan
Prior art keywords
ray
data
slice
scattered radiation
detection element
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 - Fee Related
Application number
JP00280099A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000197628A5 (enExample
JP2000197628A (ja
Inventor
確 足立
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 JP00280099A priority Critical patent/JP4398525B2/ja
Publication of JP2000197628A publication Critical patent/JP2000197628A/ja
Publication of JP2000197628A5 publication Critical patent/JP2000197628A5/ja
Application granted granted Critical
Publication of JP4398525B2 publication Critical patent/JP4398525B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/52Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5205Devices using data or image processing specially adapted for radiation diagnosis involving processing of raw data to produce diagnostic data

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Pathology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
JP00280099A 1999-01-08 1999-01-08 X線コンピュータ断層撮影装置 Expired - Fee Related JP4398525B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP00280099A JP4398525B2 (ja) 1999-01-08 1999-01-08 X線コンピュータ断層撮影装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP00280099A JP4398525B2 (ja) 1999-01-08 1999-01-08 X線コンピュータ断層撮影装置

Publications (3)

Publication Number Publication Date
JP2000197628A JP2000197628A (ja) 2000-07-18
JP2000197628A5 JP2000197628A5 (enExample) 2006-02-23
JP4398525B2 true JP4398525B2 (ja) 2010-01-13

Family

ID=11539460

Family Applications (1)

Application Number Title Priority Date Filing Date
JP00280099A Expired - Fee Related JP4398525B2 (ja) 1999-01-08 1999-01-08 X線コンピュータ断層撮影装置

Country Status (1)

Country Link
JP (1) JP4398525B2 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10224315B4 (de) * 2002-05-31 2007-11-15 Siemens Ag Verfahren zum Bestimmung von Korrektur-Koeffizienten für Detektorkanäle eines Computertomographen
JP3942178B2 (ja) 2003-07-29 2007-07-11 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システム
JP3999179B2 (ja) 2003-09-09 2007-10-31 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 放射線断層撮影装置
JP3919724B2 (ja) * 2003-09-19 2007-05-30 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 放射線計算断層画像装置および断層像データ生成方法
JP3950855B2 (ja) * 2004-01-07 2007-08-01 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 散乱測定方法、散乱補正方法およびx線ct装置
JP2007044496A (ja) * 2005-07-15 2007-02-22 Toshiba Corp X線ct装置
EP1743579A1 (en) * 2005-07-15 2007-01-17 Kabushi Kaisha Toshiba X-Ray CT apparatus
WO2008010512A1 (en) * 2006-07-19 2008-01-24 Hitachi Medical Corporation X-ray ct device and image noise reduction method
JP5522925B2 (ja) * 2008-11-04 2014-06-18 キヤノン株式会社 放射線撮影装置および処理方法
JP2014064828A (ja) * 2012-09-27 2014-04-17 Toshiba Corp X線ct装置

Also Published As

Publication number Publication date
JP2000197628A (ja) 2000-07-18

Similar Documents

Publication Publication Date Title
US7639774B2 (en) Method and apparatus for employing multiple axial-sources
US6229870B1 (en) Multiple fan beam computed tomography system
US7684538B2 (en) X-ray scanning system
US8837669B2 (en) X-ray scanning system
EP1605826B1 (en) Computerized tomographic imaging system
US6275562B1 (en) Apparatus and methods for performing scalable multislice computed tomography scan
US5982846A (en) Methods and apparatus for dose reduction in a computed tomograph
JPH0614912A (ja) コンピュータ断層撮影システムで画像を作成する方法と装置
JPH08299322A (ja) Ct装置
US6404841B1 (en) Image thickness selection for multislice imaging system
JP2004223255A (ja) 断層画像形成装置
US6876718B2 (en) Scatter correction methods and apparatus
US6292527B1 (en) Method for operating a computed tomography (CT) device
US6556697B1 (en) Image reconstruction method
US6859512B2 (en) Method for computer tomography and computer tomography device for carrying out the method
JP4398525B2 (ja) X線コンピュータ断層撮影装置
US6137858A (en) Radiation tomography method and apparatus
JP2000197628A5 (enExample)
WO2000062675A1 (en) Optimized ct protocol
JP2010124832A (ja) X線コンピュータ断層撮影装置及びx線検出器
US5416817A (en) Method of operating a fan beam computer tomography apparatus
GB2074415A (en) Computed tomography with selectable image resolution
US6359957B1 (en) Fet switching method and apparatus for multi-slice CT detector
JP2000229076A (ja) X線コンピュータ断層撮影装置
KR100654589B1 (ko) 방사선단층촬영방법및장치

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20051222

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20051222

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20090113

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090120

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090323

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090811

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090828

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: 20090929

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: 20091023

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

Free format text: PAYMENT UNTIL: 20121030

Year of fee payment: 3

LAPS Cancellation because of no payment of annual fees