JP4170644B2 - Ｘ線診断装置 - Google Patents

Ｘ線診断装置 Download PDF

Info

Publication number
JP4170644B2
JP4170644B2 JP2002073214A JP2002073214A JP4170644B2 JP 4170644 B2 JP4170644 B2 JP 4170644B2 JP 2002073214 A JP2002073214 A JP 2002073214A JP 2002073214 A JP2002073214 A JP 2002073214A JP 4170644 B2 JP4170644 B2 JP 4170644B2
Authority
JP
Japan
Prior art keywords
moire
image data
angle
ray
correction
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
JP2002073214A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002336220A5 (enExample
JP2002336220A (ja
Inventor
康則 後藤
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 JP2002073214A priority Critical patent/JP4170644B2/ja
Publication of JP2002336220A publication Critical patent/JP2002336220A/ja
Publication of JP2002336220A5 publication Critical patent/JP2002336220A5/ja
Application granted granted Critical
Publication of JP4170644B2 publication Critical patent/JP4170644B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • 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
    • A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4291—Arrangements for detecting radiation specially adapted for radiation diagnosis the detector being combined with a grid or grating
    • 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
    • A61B6/5258—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
JP2002073214A 2001-03-16 2002-03-15 Ｘ線診断装置 Expired - Fee Related JP4170644B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002073214A JP4170644B2 (ja) 2001-03-16 2002-03-15 Ｘ線診断装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001-75962 2001-03-16
JP2001075962 2001-03-16
JP2002073214A JP4170644B2 (ja) 2001-03-16 2002-03-15 Ｘ線診断装置

Publications (3)

Publication Number Publication Date
JP2002336220A JP2002336220A (ja) 2002-11-26
JP2002336220A5 JP2002336220A5 (enExample) 2005-08-25
JP4170644B2 true JP4170644B2 (ja) 2008-10-22

Family

ID=26611429

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002073214A Expired - Fee Related JP4170644B2 (ja) 2001-03-16 2002-03-15 Ｘ線診断装置

Country Status (1)

Country Link
JP (1) JP4170644B2 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005109908A (ja) * 2003-09-30 2005-04-21 Konica Minolta Medical & Graphic Inc 画像処理装置および画像処理プログラム
JP2006014778A (ja) * 2004-06-30 2006-01-19 Shimadzu Corp モアレ除去方法及びこれを用いたｘ線透視像撮影装置
EP1713031B1 (en) * 2005-04-14 2008-12-10 Agfa HealthCare NV Method of suppressing a periodical pattern in an image
JP4946927B2 (ja) * 2008-03-13 2012-06-06 株式会社島津製作所 Ｘ線断層撮影装置
WO2009130829A1 (ja) * 2008-04-22 2009-10-29 株式会社島津製作所 Ｘ線透視画像におけるモアレの除去方法、およびそれを用いたｘ線撮像装置
JP5239585B2 (ja) * 2008-07-28 2013-07-17 株式会社島津製作所 Ｘ線撮像装置
JP5455446B2 (ja) 2009-06-02 2014-03-26 キヤノン株式会社 放射線撮影装置、放射線撮影装置の制御方法及びプログラム
JP5375655B2 (ja) * 2010-02-18 2013-12-25 株式会社島津製作所 放射線撮影装置
JP5407937B2 (ja) * 2010-03-02 2014-02-05 株式会社島津製作所 Ｘ線撮影装置
JP5479243B2 (ja) * 2010-06-25 2014-04-23 富士フイルム株式会社 放射線画像処理装置、放射線画像撮影システム、及びプログラム
US8897418B2 (en) 2012-08-15 2014-11-25 Shimadzu Corporation X-ray apparatus
US12039745B2 (en) * 2021-07-27 2024-07-16 GE Precision Healthcare LLC Method and systems for removing anti-scatter grid artifacts in x-ray imaging

Also Published As

Publication number Publication date
JP2002336220A (ja) 2002-11-26

Similar Documents

Publication Publication Date Title
JP4170644B2 (ja) Ｘ線診断装置
US4841555A (en) Method and system for removing scatter and veiling glate and other artifacts in digital radiography
CN102438526B (zh) 同步型栅格的箔影去除方法以及使用了该方法的放射线摄影装置
JP2000333939A (ja) Ｘ線診断装置
US6480574B2 (en) X-ray diagnostic apparatus
JPH10305030A (ja) 放射線撮像装置及び放射線撮像装置の駆動方法
JPH06259541A (ja) 画像歪み補正方法およびそのシステム
JP5848697B2 (ja) Ｘ線画像診断装置
JPH02237277A (ja) Ｘ線診断装置
JP4368350B2 (ja) Ｘ線画像診断装置
KR19990077059A (ko) 컴퓨터 단층촬영 시스템용 줄무늬 억제필터
JP3880117B2 (ja) 画像読取方法及び装置
JP2005058309A (ja) コーンビームｘ線ｃｔ装置及びそれに用いるファントム
JP5238175B2 (ja) Ｘ線画像診断装置
CN110913764B (zh) X射线相位差摄影系统以及相位对比度图像修正方法
JP3755144B2 (ja) 放射線撮影装置
JP4500400B2 (ja) 画像取得装置及び画像取得方法
JP2003033348A (ja) ３次元ｘ線ｃｔ装置
JP4612754B2 (ja) 画像取得装置及び画像取得方法
JP4754812B2 (ja) Ｘ線撮影装置
JP7516901B2 (ja) 放射線撮影システム、放射線撮影制御装置及びプログラム
JPS62221338A (ja) 放射線断層撮像装置におけるスキャンデ−タ収集方法
JP5482640B2 (ja) 同期型グリッドの箔影除去方法及びそれを用いた放射線撮影装置
JP3884929B2 (ja) 放射線画像取得装置及び設計方法
JP3356356B2 (ja) Ｘ線撮影装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20050222

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20050222

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20070227

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070425

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20071225

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080218

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: 20080805

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: 20080807

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

Free format text: PAYMENT UNTIL: 20110815

Year of fee payment: 3

R151 Written notification of patent or utility model registration

Ref document number: 4170644

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: 20110815

Year of fee payment: 3

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

Free format text: PAYMENT UNTIL: 20120815

Year of fee payment: 4

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

Free format text: PAYMENT UNTIL: 20120815

Year of fee payment: 4

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

Free format text: PAYMENT UNTIL: 20130815

Year of fee payment: 5

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313117

Free format text: JAPANESE INTERMEDIATE CODE: R313111

Free format text: JAPANESE INTERMEDIATE CODE: R313114

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: R313111

Free format text: JAPANESE INTERMEDIATE CODE: R313117

Free format text: JAPANESE INTERMEDIATE CODE: R313114

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

LAPS Cancellation because of no payment of annual fees