JP2002133399A - 画像処理装置及びそれを用いたx線ct装置 - Google Patents
画像処理装置及びそれを用いたx線ct装置Info
- Publication number
- JP2002133399A JP2002133399A JP2000322407A JP2000322407A JP2002133399A JP 2002133399 A JP2002133399 A JP 2002133399A JP 2000322407 A JP2000322407 A JP 2000322407A JP 2000322407 A JP2000322407 A JP 2000322407A JP 2002133399 A JP2002133399 A JP 2002133399A
- Authority
- JP
- Japan
- Prior art keywords
- image
- component
- projection data
- noise
- noise component
- 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.)
- Pending
Links
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 238000000605 extraction Methods 0.000 claims abstract 3
- 238000000034 method Methods 0.000 claims description 26
- 238000000354 decomposition reaction Methods 0.000 description 17
- 238000010586 diagram Methods 0.000 description 13
- 238000004458 analytical method Methods 0.000 description 3
- 238000009499 grossing Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000002591 computed tomography Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
Landscapes
- Apparatus For Radiation Diagnosis (AREA)
- Image Processing (AREA)
- Image Analysis (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000322407A JP2002133399A (ja) | 2000-10-23 | 2000-10-23 | 画像処理装置及びそれを用いたx線ct装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000322407A JP2002133399A (ja) | 2000-10-23 | 2000-10-23 | 画像処理装置及びそれを用いたx線ct装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2002133399A true JP2002133399A (ja) | 2002-05-10 |
JP2002133399A5 JP2002133399A5 (enrdf_load_stackoverflow) | 2007-11-29 |
Family
ID=18800294
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000322407A Pending JP2002133399A (ja) | 2000-10-23 | 2000-10-23 | 画像処理装置及びそれを用いたx線ct装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2002133399A (enrdf_load_stackoverflow) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006068518A (ja) * | 2004-08-31 | 2006-03-16 | Agfa Gevaert Nv | 画像信号内のアーチフアクトを修正する方法 |
JP2008046967A (ja) * | 2006-08-18 | 2008-02-28 | Nohmi Bosai Ltd | 火災検出装置 |
CN100401985C (zh) * | 2004-08-06 | 2008-07-16 | 株式会社东芝 | 用于螺旋多切片ct的伴随着恢复噪声的降低螺旋风车伪像的方法 |
JP2009098100A (ja) * | 2007-10-19 | 2009-05-07 | Shimadzu Corp | 核医学診断装置 |
WO2009087777A1 (ja) * | 2008-01-11 | 2009-07-16 | Shimadzu Corporation | 画像処理方法、その装置並びに断層撮影装置 |
US7668360B2 (en) | 2005-09-15 | 2010-02-23 | Ge Medical Systems Global Technology Company, Llc | Image processing method and X-ray CT system |
JP2010068508A (ja) * | 2008-08-12 | 2010-03-25 | Canon Inc | 画像処理装置、撮像装置、画像処理方法、画像処理プログラム |
JP2014128576A (ja) * | 2012-11-30 | 2014-07-10 | Canon Inc | 画像処理装置、画像処理方法、及びプログラム |
US9245323B2 (en) | 2008-04-14 | 2016-01-26 | Hitachi Medical Corporation | Medical diagnostic device and method of improving image quality of medical diagnostic device |
US10068332B2 (en) | 2015-06-11 | 2018-09-04 | Shenyang Neusoft Medical Systems Co., Ltd. | Processing a computed tomography image to reduce windmill artifacts |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06274615A (ja) * | 1993-03-18 | 1994-09-30 | Fuji Photo Film Co Ltd | 画像処理方法 |
US5497777A (en) * | 1994-09-23 | 1996-03-12 | General Electric Company | Speckle noise filtering in ultrasound imaging |
JPH09212623A (ja) * | 1996-01-30 | 1997-08-15 | Fuji Photo Film Co Ltd | 画像処理方法 |
JPH09322166A (ja) * | 1996-05-30 | 1997-12-12 | Ricoh Co Ltd | 画像形成装置 |
JPH1170106A (ja) * | 1997-08-29 | 1999-03-16 | Hitachi Medical Corp | X線ct装置 |
JPH11206752A (ja) * | 1998-01-26 | 1999-08-03 | Toshiba Corp | X線ct装置 |
JP2000224421A (ja) * | 1999-02-03 | 2000-08-11 | Fuji Photo Film Co Ltd | 画像処理方法および装置並びに記録媒体 |
-
2000
- 2000-10-23 JP JP2000322407A patent/JP2002133399A/ja active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06274615A (ja) * | 1993-03-18 | 1994-09-30 | Fuji Photo Film Co Ltd | 画像処理方法 |
US5497777A (en) * | 1994-09-23 | 1996-03-12 | General Electric Company | Speckle noise filtering in ultrasound imaging |
JPH09212623A (ja) * | 1996-01-30 | 1997-08-15 | Fuji Photo Film Co Ltd | 画像処理方法 |
JPH09322166A (ja) * | 1996-05-30 | 1997-12-12 | Ricoh Co Ltd | 画像形成装置 |
JPH1170106A (ja) * | 1997-08-29 | 1999-03-16 | Hitachi Medical Corp | X線ct装置 |
JPH11206752A (ja) * | 1998-01-26 | 1999-08-03 | Toshiba Corp | X線ct装置 |
JP2000224421A (ja) * | 1999-02-03 | 2000-08-11 | Fuji Photo Film Co Ltd | 画像処理方法および装置並びに記録媒体 |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100401985C (zh) * | 2004-08-06 | 2008-07-16 | 株式会社东芝 | 用于螺旋多切片ct的伴随着恢复噪声的降低螺旋风车伪像的方法 |
JP2006068518A (ja) * | 2004-08-31 | 2006-03-16 | Agfa Gevaert Nv | 画像信号内のアーチフアクトを修正する方法 |
US7668360B2 (en) | 2005-09-15 | 2010-02-23 | Ge Medical Systems Global Technology Company, Llc | Image processing method and X-ray CT system |
JP2008046967A (ja) * | 2006-08-18 | 2008-02-28 | Nohmi Bosai Ltd | 火災検出装置 |
JP2009098100A (ja) * | 2007-10-19 | 2009-05-07 | Shimadzu Corp | 核医学診断装置 |
WO2009087777A1 (ja) * | 2008-01-11 | 2009-07-16 | Shimadzu Corporation | 画像処理方法、その装置並びに断層撮影装置 |
JP5023281B2 (ja) * | 2008-01-11 | 2012-09-12 | 株式会社島津製作所 | 画像処理方法、その装置並びに断層撮影装置 |
US8520974B2 (en) | 2008-01-11 | 2013-08-27 | Shimadzu Corporation | Image processing method, an apparatus therefor and a tomographic apparatus for removing artifacts from a sectional image |
US9245323B2 (en) | 2008-04-14 | 2016-01-26 | Hitachi Medical Corporation | Medical diagnostic device and method of improving image quality of medical diagnostic device |
JP2010068508A (ja) * | 2008-08-12 | 2010-03-25 | Canon Inc | 画像処理装置、撮像装置、画像処理方法、画像処理プログラム |
US8610800B2 (en) | 2008-08-12 | 2013-12-17 | Canon Kabushiki Kaisha | Image processing device and method for detecting and correcting pattern noise |
JP2014128576A (ja) * | 2012-11-30 | 2014-07-10 | Canon Inc | 画像処理装置、画像処理方法、及びプログラム |
US9953414B2 (en) | 2012-11-30 | 2018-04-24 | Canon Kabushiki Kaisha | Image processing apparatus and image processing method |
US10068332B2 (en) | 2015-06-11 | 2018-09-04 | Shenyang Neusoft Medical Systems Co., Ltd. | Processing a computed tomography image to reduce windmill artifacts |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5711241B2 (ja) | コーンビームct画像におけるアーチファクト低減のための方法 | |
Marone et al. | Fast reconstruction algorithm dealing with tomography artifacts | |
US7623691B2 (en) | Method for helical windmill artifact reduction with noise restoration for helical multislice CT | |
US7929746B2 (en) | System and method for processing imaging data | |
Gibert et al. | Discrete shearlet transform on GPU with applications in anomaly detection and denoising | |
CN109074635B (zh) | 用于对向量值图像去噪的设备和方法 | |
JP2005532137A5 (enrdf_load_stackoverflow) | ||
CN104978717A (zh) | Ct重建图像的处理方法、装置及设备 | |
JPH09253079A (ja) | X線断層撮影装置 | |
JP4958354B2 (ja) | 画像の高速な階層的逆投影の方法 | |
JP2002133399A (ja) | 画像処理装置及びそれを用いたx線ct装置 | |
JP6402282B1 (ja) | オブジェクト用のx線画像装置 | |
US10755449B2 (en) | Tomographic image processing device, tomographic image processing method, and tomographic image processing program | |
CN114332283A (zh) | 基于双域神经网络的训练方法和光声图像重建方法 | |
Brun et al. | Effective implementation of ring artifacts removal filters for synchrotron radiation microtomographic images | |
JPH1033521A (ja) | X線ct装置 | |
Sawant et al. | Ultrasound image enhancement using super resolution | |
JPH09187452A (ja) | 螺旋走査において収集される投影走査データから発生される像データにおけるアーティファクトを減少させる方法及び装置 | |
Michailovich et al. | Iterative reconstruction of medical ultrasound images using spectrally constrained phase updates | |
EP1386288A1 (en) | Ct image reconstruction | |
JP2008123370A (ja) | 独立成分分析(ica)法を用いたデジタル画像の画質改善法 | |
WO2021130379A3 (en) | Method of processing computer tomography (ct) data for filter back projection (fbp) | |
JP2022064389A (ja) | 画像処理装置、画像処理方法およびプログラム | |
JPH10295686A (ja) | 物体の画像を再構成する方法及びシステム | |
KR102248191B1 (ko) | 콘빔 컴퓨터 단층촬영 영상에서 콘빔아티팩트를 보정하는 방법 및 장치, 그것을 포함하는 콘빔 컴퓨터 단층촬영 장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20071009 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20071009 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100323 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100521 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20100927 |