IL127009A - Image reconstruction in a ct fluoroscopy system - Google Patents
Image reconstruction in a ct fluoroscopy systemInfo
- Publication number
- IL127009A IL127009A IL12700998A IL12700998A IL127009A IL 127009 A IL127009 A IL 127009A IL 12700998 A IL12700998 A IL 12700998A IL 12700998 A IL12700998 A IL 12700998A IL 127009 A IL127009 A IL 127009A
- Authority
- IL
- Israel
- Prior art keywords
- accordance
- computed tomography
- tomography system
- views
- view
- Prior art date
Links
- 238000002594 fluoroscopy Methods 0.000 title description 4
- 238000002591 computed tomography Methods 0.000 claims abstract description 52
- 238000012545 processing Methods 0.000 claims abstract description 16
- 238000004364 calculation method Methods 0.000 claims description 11
- 239000013598 vector Substances 0.000 claims description 9
- 235000002492 Rungia klossii Nutrition 0.000 claims 1
- 244000117054 Rungia klossii Species 0.000 claims 1
- 238000000034 method Methods 0.000 description 29
- 230000008569 process Effects 0.000 description 24
- 238000007906 compression Methods 0.000 description 15
- 230000006835 compression Effects 0.000 description 13
- 238000001914 filtration Methods 0.000 description 13
- 125000001153 fluoro group Chemical group F* 0.000 description 12
- 238000012937 correction Methods 0.000 description 8
- 230000015556 catabolic process Effects 0.000 description 6
- 238000006731 degradation reaction Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 230000015654 memory Effects 0.000 description 6
- 238000012805 post-processing Methods 0.000 description 5
- 230000001419 dependent effect Effects 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000007781 pre-processing Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 238000001574 biopsy Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000010606 normalization Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013170 computed tomography imaging Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/003—Reconstruction from projections, e.g. tomography
- G06T11/006—Inverse problem, transformation from projection-space into object-space, e.g. transform methods, back-projection, algebraic methods
-
- 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
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/027—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2211/00—Image generation
- G06T2211/40—Computed tomography
- G06T2211/421—Filtered back projection [FBP]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2211/00—Image generation
- G06T2211/40—Computed tomography
- G06T2211/428—Real-time
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S378/00—X-ray or gamma ray systems or devices
- Y10S378/901—Computer tomography program or processor
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Algebra (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/978,802 US5907593A (en) | 1997-11-26 | 1997-11-26 | Image reconstruction in a CT fluoroscopy system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL127009A0 IL127009A0 (en) | 1999-09-22 |
| IL127009A true IL127009A (en) | 2002-08-14 |
Family
ID=25526398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL12700998A IL127009A (en) | 1997-11-26 | 1998-11-11 | Image reconstruction in a ct fluoroscopy system |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5907593A (ja) |
| JP (1) | JP4159152B2 (ja) |
| DE (1) | DE19849292A1 (ja) |
| IL (1) | IL127009A (ja) |
Families Citing this family (53)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998030980A1 (en) * | 1997-01-14 | 1998-07-16 | Edholm, Paul | Technique and arrangement for tomographic imaging |
| US6801594B1 (en) * | 1997-11-26 | 2004-10-05 | General Electric Company | Computed tomography fluoroscopy system |
| US6061423A (en) * | 1998-08-25 | 2000-05-09 | General Electric Company | Fluoroscopy image reconstruction |
| US6325539B1 (en) * | 1998-12-31 | 2001-12-04 | General Electric Company | Calibration simplification for a computed tomograph system |
| US6295331B1 (en) * | 1999-07-12 | 2001-09-25 | General Electric Company | Methods and apparatus for noise compensation in imaging systems |
| JP3893827B2 (ja) * | 1999-11-26 | 2007-03-14 | コニカミノルタホールディングス株式会社 | Ｘ線画像撮影システム |
| US6327325B1 (en) * | 2000-02-16 | 2001-12-04 | Ge Medical Systems Global Technology Company, Llc | Methods and apparatus for adaptive interpolation reduced view CT scan |
| US6778689B1 (en) | 2000-03-29 | 2004-08-17 | General Electric Company | System and method of real-time multiple field-of-view imaging |
| EP1328189B1 (en) * | 2000-05-16 | 2016-08-24 | Dario B. Crosetto | Apparatus for anatomical and functional medical imaging |
| US6798860B1 (en) | 2000-05-17 | 2004-09-28 | Ge Medical Systems Global Technology Company, Llc | Methods and apparatus for deconvolving imaging data |
| FR2810141B1 (fr) * | 2000-06-07 | 2002-08-23 | Commissariat Energie Atomique | Procede de reconstruction accelere d'une image tridimentionnelle |
| US6415013B1 (en) * | 2000-12-28 | 2002-07-02 | Ge Medical Systems Global Technology Company, Llc | Backprojection methods and apparatus for computed tomography imaging systems |
| JP2002224100A (ja) * | 2001-02-06 | 2002-08-13 | Shimadzu Corp | 医用診断装置 |
| US6373920B1 (en) | 2001-03-16 | 2002-04-16 | Ge Medical Systems Global Technology Company, Llc | Method and apparatus for acquiring CT perfusion images |
| US6535572B2 (en) | 2001-06-15 | 2003-03-18 | Ge Medical Systems Global Technology Company, Llc | Methods and apparatus for compensating computed tomographic channel ganging artifacts |
| US6885764B2 (en) * | 2001-11-21 | 2005-04-26 | Ge Medical Systems Global Technology Company, Llc | High Speed Z-smoothing method and apparatus for CT imaging system |
| US7132664B1 (en) | 2002-11-09 | 2006-11-07 | Crosetto Dario B | Method and apparatus for improving PET detectors |
| US20040164249A1 (en) * | 2003-02-26 | 2004-08-26 | Crosetto Dario B. | Method and apparatus for determining depth of interactions in a detector for three-dimensional complete body screening |
| US6587537B1 (en) | 2002-04-01 | 2003-07-01 | Ge Medical Systems Global Technology Company, Llc | Methods and apparatus for multi-slice image reconstruction |
| DE10252662A1 (de) * | 2002-11-11 | 2004-05-27 | Philips Intellectual Property & Standards Gmbh | Computertomographie-Verfahren mit kohärenten Streustrahlen und Computertomograph |
| US10483077B2 (en) | 2003-04-25 | 2019-11-19 | Rapiscan Systems, Inc. | X-ray sources having reduced electron scattering |
| GB0525593D0 (en) | 2005-12-16 | 2006-01-25 | Cxr Ltd | X-ray tomography inspection systems |
| US9208988B2 (en) | 2005-10-25 | 2015-12-08 | Rapiscan Systems, Inc. | Graphite backscattered electron shield for use in an X-ray tube |
| US8243876B2 (en) | 2003-04-25 | 2012-08-14 | Rapiscan Systems, Inc. | X-ray scanners |
| US8094784B2 (en) | 2003-04-25 | 2012-01-10 | Rapiscan Systems, Inc. | X-ray sources |
| GB0812864D0 (en) | 2008-07-15 | 2008-08-20 | Cxr Ltd | Coolign anode |
| US7492855B2 (en) * | 2003-08-07 | 2009-02-17 | General Electric Company | System and method for detecting an object |
| US7889835B2 (en) * | 2003-08-07 | 2011-02-15 | Morpho Detection, Inc. | System and method for detecting an object by dynamically adjusting computational load |
| JP2005064706A (ja) * | 2003-08-08 | 2005-03-10 | Shimadzu Corp | 放射線撮像装置および放射線検出信号処理方法 |
| US7283608B2 (en) * | 2004-08-24 | 2007-10-16 | General Electric Company | System and method for X-ray imaging using X-ray intensity information |
| US7260174B2 (en) * | 2004-09-13 | 2007-08-21 | General Electric Company | Direct conversion energy discriminating CT detector with over-ranging correction |
| US7480363B2 (en) * | 2004-09-15 | 2009-01-20 | Ge Betz, Inc. | Converting a digital radiograph to an absolute thickness map |
| DE102005012654B4 (de) * | 2005-03-18 | 2007-12-06 | Siemens Ag | Verfahren und Computertomographie-System zur Erstellung tomographischer Aufnahmen eines Objektes |
| US7344306B2 (en) * | 2005-06-30 | 2008-03-18 | General Electric Company | Systems and methods for compensating for table sag |
| US7676074B2 (en) * | 2005-09-12 | 2010-03-09 | Purdue Research Foundation | Systems and methods for filtering data in a medical imaging system |
| DE102005050917A1 (de) * | 2005-10-24 | 2007-04-26 | Siemens Ag | Verfahren und Tomographiegerät zur Rekonstruktion einer tomographischen Darstellung eines Objektes |
| US9046465B2 (en) | 2011-02-24 | 2015-06-02 | Rapiscan Systems, Inc. | Optimization of the source firing pattern for X-ray scanning systems |
| DE102006005803A1 (de) * | 2006-02-08 | 2007-08-09 | Siemens Ag | Verfahren zur Rauschreduktion in bildgebenden Verfahren |
| US8355131B2 (en) * | 2007-02-05 | 2013-01-15 | Koninklijke Philips Electronics N.V. | Device and method for acquiring image data from a turbid medium |
| DE102007013570A1 (de) * | 2007-03-21 | 2008-09-25 | Siemens Ag | Verfahren zur Rauschverminderung in digitalen Bildern mit lokal unterschiedlichem und gerichtetem Rauschen |
| US7852980B2 (en) * | 2007-10-31 | 2010-12-14 | Xoran Technologies, Inc. | Computed tomography with resolution recovery |
| DE102008044805B4 (de) * | 2008-08-28 | 2016-06-09 | Solarworld Industries Sachsen Gmbh | Drahtüberwachung |
| GB0816823D0 (en) | 2008-09-13 | 2008-10-22 | Cxr Ltd | X-ray tubes |
| GB0901338D0 (en) | 2009-01-28 | 2009-03-11 | Cxr Ltd | X-Ray tube electron sources |
| US20110038452A1 (en) | 2009-08-12 | 2011-02-17 | Kabushiki Kaisha Toshiba | Image domain based noise reduction for low dose computed tomography fluoroscopy |
| US8611627B2 (en) | 2009-12-23 | 2013-12-17 | General Electric Company | CT spectral calibration |
| JP5536607B2 (ja) * | 2010-10-13 | 2014-07-02 | 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装置 |
| US8309910B2 (en) | 2010-12-15 | 2012-11-13 | General Electric Company | Phantom for spectral CT image system calibration |
| JP2012170736A (ja) * | 2011-02-23 | 2012-09-10 | Toshiba Corp | Ｘ線コンピュータ断層撮影装置 |
| DE102012203770A1 (de) * | 2012-03-09 | 2013-09-12 | Siemens Aktiengesellschaft | Verfahren zur Reduzierung von Artefakten bei unvollständig abgetasteten Aufnahmetrajektorien |
| US8811709B2 (en) * | 2012-11-14 | 2014-08-19 | General Electric Company | System and method for multi-material correction of image data |
| CN105094725B (zh) * | 2014-05-14 | 2019-02-19 | 同方威视技术股份有限公司 | 图像显示方法 |
| US9483851B2 (en) | 2014-07-14 | 2016-11-01 | General Electric Company | Systems and methods for filtering for image generation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5375156A (en) * | 1992-03-31 | 1994-12-20 | Siemens Medical Systems, Inc. | Method and apparatus for 3-D computer tomography |
-
1997
- 1997-11-26 US US08/978,802 patent/US5907593A/en not_active Expired - Lifetime
-
1998
- 1998-10-26 DE DE19849292A patent/DE19849292A1/de not_active Withdrawn
- 1998-11-11 IL IL12700998A patent/IL127009A/en not_active IP Right Cessation
- 1998-11-25 JP JP33373398A patent/JP4159152B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE19849292A1 (de) | 1999-05-27 |
| JPH11262484A (ja) | 1999-09-28 |
| JP4159152B2 (ja) | 2008-10-01 |
| IL127009A0 (en) | 1999-09-22 |
| US5907593A (en) | 1999-05-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FF | Patent granted | ||
| KB | Patent renewed | ||
| MM9K | Patent not in force due to non-payment of renewal fees |