JP5406063B2 - 再構成演算装置、再構成演算方法、及びx線ct装置 - Google Patents

再構成演算装置、再構成演算方法、及びx線ct装置 Download PDF

Info

Publication number
JP5406063B2
JP5406063B2 JP2010015030A JP2010015030A JP5406063B2 JP 5406063 B2 JP5406063 B2 JP 5406063B2 JP 2010015030 A JP2010015030 A JP 2010015030A JP 2010015030 A JP2010015030 A JP 2010015030A JP 5406063 B2 JP5406063 B2 JP 5406063B2
Authority
JP
Japan
Prior art keywords
reconstruction
image
projection data
forward projection
ray
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
JP2010015030A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011152255A5 (enrdf_load_stackoverflow
JP2011152255A (ja
Inventor
大雅 後藤
浩一 廣川
悠 高橋
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 JP2010015030A priority Critical patent/JP5406063B2/ja
Publication of JP2011152255A publication Critical patent/JP2011152255A/ja
Publication of JP2011152255A5 publication Critical patent/JP2011152255A5/ja
Application granted granted Critical
Publication of JP5406063B2 publication Critical patent/JP5406063B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Image Processing (AREA)
  • Image Analysis (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
JP2010015030A 2010-01-27 2010-01-27 再構成演算装置、再構成演算方法、及びx線ct装置 Expired - Fee Related JP5406063B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2010015030A JP5406063B2 (ja) 2010-01-27 2010-01-27 再構成演算装置、再構成演算方法、及びx線ct装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010015030A JP5406063B2 (ja) 2010-01-27 2010-01-27 再構成演算装置、再構成演算方法、及びx線ct装置

Publications (3)

Publication Number Publication Date
JP2011152255A JP2011152255A (ja) 2011-08-11
JP2011152255A5 JP2011152255A5 (enrdf_load_stackoverflow) 2013-02-07
JP5406063B2 true JP5406063B2 (ja) 2014-02-05

Family

ID=44538654

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010015030A Expired - Fee Related JP5406063B2 (ja) 2010-01-27 2010-01-27 再構成演算装置、再構成演算方法、及びx線ct装置

Country Status (1)

Country Link
JP (1) JP5406063B2 (enrdf_load_stackoverflow)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5813994B2 (ja) * 2010-06-03 2015-11-17 株式会社東芝 医用画像診断装置および画像再構成方法
US8731269B2 (en) * 2011-10-19 2014-05-20 Kabushiki Kaisha Toshiba Method and system for substantially reducing artifacts in circular cone beam computer tomography (CT)
JP6329490B2 (ja) * 2013-02-05 2018-05-23 株式会社日立製作所 X線ct装置及び画像再構成方法
EP3047391B1 (en) * 2013-09-18 2023-06-28 Siemens Medical Solutions USA, Inc. Method and system for statistical modeling of data using a quadratic likelihood functional
US10119923B2 (en) * 2015-10-19 2018-11-06 L3 Security & Detection Systems, Inc. Systems and methods for image reconstruction at high computed tomography pitch
CN106923852B (zh) * 2015-12-30 2022-02-08 上海联影医疗科技股份有限公司 Ct设备及其光路异常检测方法
US10702221B2 (en) 2015-12-25 2020-07-07 Shanghai United Imaging Healthcare Co., Ltd. Methods and systems for CT balance measurement and adjustment
JP7046543B2 (ja) * 2017-09-27 2022-04-04 浜松ホトニクス株式会社 断層画像撮影装置及び断層画像撮影方法
CN109765103A (zh) * 2019-03-13 2019-05-17 长安大学 一种沥青混合料颗粒标记及追踪方法
CN111242947B (zh) * 2020-03-12 2024-02-20 南京安科医疗科技有限公司 一种ct扫描图像质量评价方法、计算机可读存储介质、ct扫描装置
JP7510775B2 (ja) * 2020-03-31 2024-07-04 キヤノンメディカルシステムズ株式会社 医用画像処理装置及び医用画像診断装置
JP7602954B2 (ja) * 2021-04-02 2024-12-19 キヤノンメディカルシステムズ株式会社 医用画像処理装置、医用画像診断装置、磁気共鳴イメージング装置および医用画像処理方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58206726A (ja) * 1982-05-28 1983-12-02 株式会社日立製作所 画像処理装置
JP3223195B2 (ja) * 1992-01-23 2001-10-29 株式会社日立メディコ X線ct装置
JP3556292B2 (ja) * 1994-10-28 2004-08-18 株式会社東芝 画像処理装置
US6351548B1 (en) * 1999-06-23 2002-02-26 The Board Of Trustees Of The University Of Illinois Fast hierarchical reprojection algorithm for tomography
JP3707347B2 (ja) * 2000-04-07 2005-10-19 株式会社島津製作所 X線ct装置の画像処理方法及びx線ct装置並びにx線ct撮影用記録媒体
JP4535795B2 (ja) * 2004-07-12 2010-09-01 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 画像処理装置及びx線ctシステム

Also Published As

Publication number Publication date
JP2011152255A (ja) 2011-08-11

Similar Documents

Publication Publication Date Title
JP5406063B2 (ja) 再構成演算装置、再構成演算方法、及びx線ct装置
JP5960048B2 (ja) 再構成演算装置、再構成演算方法、及びx線ct装置
JP5280450B2 (ja) X線ct画像形成方法及びそれを用いたx線ct装置
JP5142664B2 (ja) X線コンピュータ断層撮影装置
JP5670050B2 (ja) 画像再構成装置および画像再構成方法
JP6640527B2 (ja) X線ct装置
JP2009118887A (ja) X線ct装置及び画像処理装置
JP2008006032A (ja) X線ct装置およびx線ct撮影方法
JP2015006328A (ja) 医用画像診断装置及び制御方法
CN102270349A (zh) 在没有调节项的情况下对ct 图像的迭代重建
JP2007054372A (ja) X線ct装置
JP5606667B2 (ja) X線ct装置
JP2008012206A (ja) X線断層撮影装置
JP2007000408A (ja) X線ct装置
JP5097355B2 (ja) 放射線断層撮影装置
JP2009089810A (ja) X線ct装置
CN107106114B (zh) 运算装置、x射线ct装置及图像重构方法
JP2008125909A (ja) X線ct装置
JP4785441B2 (ja) X線ct装置
JP2006187453A (ja) X線ct装置
JP2003225230A (ja) コンピュータ断層撮影装置
JP2002204796A (ja) 3次元x線ct装置
US11055825B2 (en) Medical image processing device and X-ray CT device provided with same, and medical image processing method
JP5342682B2 (ja) X線コンピュータ断層撮影装置
JP5813022B2 (ja) X線コンピュータ断層撮影装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20121214

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20121214

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20131015

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

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20131022

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20131031

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

LAPS Cancellation because of no payment of annual fees