JPH0570462B2 - - Google Patents

Info

Publication number
JPH0570462B2
JPH0570462B2 JP63303466A JP30346688A JPH0570462B2 JP H0570462 B2 JPH0570462 B2 JP H0570462B2 JP 63303466 A JP63303466 A JP 63303466A JP 30346688 A JP30346688 A JP 30346688A JP H0570462 B2 JPH0570462 B2 JP H0570462B2
Authority
JP
Japan
Prior art keywords
projection data
data
image
value
metal
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
JP63303466A
Other languages
English (en)
Japanese (ja)
Other versions
JPH02149258A (ja
Inventor
Hideo Nagai
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.)
GE Healthcare Japan Corp
Original Assignee
Yokogawa Medical Systems Ltd
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 Yokogawa Medical Systems Ltd filed Critical Yokogawa Medical Systems Ltd
Priority to JP63303466A priority Critical patent/JPH02149258A/ja
Publication of JPH02149258A publication Critical patent/JPH02149258A/ja
Publication of JPH0570462B2 publication Critical patent/JPH0570462B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Image Processing (AREA)
  • Image Analysis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
JP63303466A 1988-11-30 1988-11-30 金属偽像等を低減する画像処理装置 Granted JPH02149258A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63303466A JPH02149258A (ja) 1988-11-30 1988-11-30 金属偽像等を低減する画像処理装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63303466A JPH02149258A (ja) 1988-11-30 1988-11-30 金属偽像等を低減する画像処理装置

Publications (2)

Publication Number Publication Date
JPH02149258A JPH02149258A (ja) 1990-06-07
JPH0570462B2 true JPH0570462B2 (2) 1993-10-05

Family

ID=17921304

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63303466A Granted JPH02149258A (ja) 1988-11-30 1988-11-30 金属偽像等を低減する画像処理装置

Country Status (1)

Country Link
JP (1) JPH02149258A (2)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02195944A (ja) * 1989-01-25 1990-08-02 Shimadzu Corp Ｘ線ｃｔ装置
US6266388B1 (en) * 1999-09-07 2001-07-24 General Electric Company Methods and apparatus for two-pass cone beam image reconstruction
JP5526062B2 (ja) * 2010-03-31 2014-06-18 富士フイルム株式会社 放射線画像撮影装置および欠陥画素位置情報取得方法
EP2797511B1 (en) * 2011-12-27 2016-05-18 Koninklijke Philips N.V. Removal of artifacts from an em field generator from a 3d scan

Also Published As

Publication number Publication date
JPH02149258A (ja) 1990-06-07

Similar Documents

Publication Publication Date Title
CN1326095C (zh) 数字层析x射线照相组合中的图像滤波反投影重构
JP3373720B2 (ja) Ｘ線断層撮影装置
US8094910B2 (en) Method of reconstructing an image function from Radon data
US5287276A (en) Localized motion artifact reduction in projection imaging
US6470070B2 (en) Image reconstruction using multiple X-ray projections
US7623691B2 (en) Method for helical windmill artifact reduction with noise restoration for helical multislice CT
US6324243B1 (en) Method and apparatus for reconstructing images from projection data acquired by a computed tomography system
JP4576032B2 (ja) ２回パス式コーン・ビーム画像再構成の方法及び装置
JP2017535344A (ja) トモシンセシスデータから合成マンモグラムを生成する方法
JP4342164B2 (ja) コンピュータ断層撮影装置
US7564998B2 (en) Image processing apparatus and method, and program
US6130929A (en) Method for eliminating artifacts in scanning electron beam computed tomographic images due to cone beam geometry
JP2002345808A (ja) Ｃｔスカウト画像処理のための方法及び装置
Ketola et al. Generative adversarial networks improve interior computed tomography angiography reconstruction
US7623615B2 (en) X-ray CT image reconstruction method and X-ray CT system
EP4026102B1 (en) Confidence map for neural network based limited angle artifact reduction in cone beam ct
JPH06133961A (ja) コンピュータ断層撮影装置
JP2002034970A (ja) マルチ・スライスｃｔ走査の螺旋再構成の方法及び装置
CN107886554B (zh) 流数据的重构
JP2016198504A (ja) 画像生成装置、ｘ線コンピュータ断層撮影装置及び画像生成方法
JPH0570462B2 (2)
JPH05237094A (ja) ストリーク状偽像を低減する画像処理方法と装置
Hoppe et al. Cone-beam tomography from short-scan circle-plus-arc data measured on a C-arm system
JP7743564B2 (ja) 検査対象物のボリュームモデルを生成する方法、制御装置、ｘ線装置、コンピュータプログラムおよび電子的に読み取り可能なデータ媒体
JP2876134B2 (ja) 画像処理装置