IL116258A - Image Recovery Device and Spooler Scanning Method - Google Patents
Image Recovery Device and Spooler Scanning MethodInfo
- Publication number
- IL116258A IL116258A IL116258A IL11625895A IL116258A IL 116258 A IL116258 A IL 116258A IL 116258 A IL116258 A IL 116258A IL 11625895 A IL11625895 A IL 11625895A IL 116258 A IL116258 A IL 116258A
- Authority
- IL
- Israel
- Prior art keywords
- data
- projection
- accordance
- reconstruction
- assigning
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 13
- 238000003384 imaging method Methods 0.000 claims description 7
- 230000006870 function Effects 0.000 description 21
- 238000002591 computed tomography Methods 0.000 description 9
- 238000001914 filtration Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229910052704 radon Inorganic materials 0.000 description 3
- SYUHGPGVQRZVTB-UHFFFAOYSA-N radon atom Chemical compound [Rn] SYUHGPGVQRZVTB-UHFFFAOYSA-N 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 238000013170 computed tomography imaging Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000015654 memory Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000013519 translation 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
- G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
-
- 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
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
-
- 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
-
- 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
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Medical Informatics (AREA)
- Pathology (AREA)
- Surgery (AREA)
- High Energy & Nuclear Physics (AREA)
- Pulmonology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Image Analysis (AREA)
- Medical Treatment And Welfare Office Work (AREA)
- Image Processing (AREA)
- Image Generation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/361,984 US5491735A (en) | 1994-12-22 | 1994-12-22 | Image reconstruction apparatus and method for helical scanning |
Publications (2)
Publication Number | Publication Date |
---|---|
IL116258A0 IL116258A0 (en) | 1996-03-31 |
IL116258A true IL116258A (en) | 1998-06-15 |
Family
ID=23424217
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL116258A IL116258A (en) | 1994-12-22 | 1995-12-06 | Image Recovery Device and Spooler Scanning Method |
Country Status (4)
Country | Link |
---|---|
US (1) | US5491735A (de) |
JP (1) | JPH08308824A (de) |
DE (1) | DE19544348A1 (de) |
IL (1) | IL116258A (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5546439A (en) * | 1995-11-02 | 1996-08-13 | General Electric Company | Systems, methods and apparatus for incrementally reconstructing overlapped images in a CT system implementing a helical scan |
US5606585A (en) * | 1995-12-21 | 1997-02-25 | General Electric Company | Methods and apparatus for multislice helical image reconstruction in a computer tomography system |
US6108575A (en) * | 1998-02-20 | 2000-08-22 | General Electric Company | Helical weighting algorithms for fast reconstruction |
US5881123A (en) * | 1998-03-31 | 1999-03-09 | Siemens Corporate Research, Inc. | Simplified cone beam image reconstruction using 3D backprojection |
US6061419A (en) * | 1998-08-25 | 2000-05-09 | General Electric Company | Methods and apparatus for noise compensation in an imaging system |
US6798860B1 (en) | 2000-05-17 | 2004-09-28 | Ge Medical Systems Global Technology Company, Llc | Methods and apparatus for deconvolving imaging data |
US6366638B1 (en) | 2001-03-16 | 2002-04-02 | Ge Medical Systems Global Technology Company, Llc | Methods and apparatus for CT scout image processing |
US6587537B1 (en) | 2002-04-01 | 2003-07-01 | Ge Medical Systems Global Technology Company, Llc | Methods and apparatus for multi-slice image reconstruction |
US9412123B2 (en) | 2003-07-01 | 2016-08-09 | The 41St Parameter, Inc. | Keystroke analysis |
US6999550B2 (en) * | 2004-02-09 | 2006-02-14 | Ge Medical Systems Global Technology | Method and apparatus for obtaining data for reconstructing images of an object |
US10999298B2 (en) | 2004-03-02 | 2021-05-04 | The 41St Parameter, Inc. | Method and system for identifying users and detecting fraud by use of the internet |
US11301585B2 (en) | 2005-12-16 | 2022-04-12 | The 41St Parameter, Inc. | Methods and apparatus for securely displaying digital images |
US8938671B2 (en) | 2005-12-16 | 2015-01-20 | The 41St Parameter, Inc. | Methods and apparatus for securely displaying digital images |
EP3567840B1 (de) * | 2005-12-16 | 2024-04-10 | The 41st Parameter, Inc. | Verfahren und vorrichtung zur sicheren anzeige digitaler bilder |
US8151327B2 (en) | 2006-03-31 | 2012-04-03 | The 41St Parameter, Inc. | Systems and methods for detection of session tampering and fraud prevention |
US8938104B2 (en) * | 2008-08-29 | 2015-01-20 | Varian Medical Systems International Ag | Systems and methods for adaptive filtering |
US9112850B1 (en) | 2009-03-25 | 2015-08-18 | The 41St Parameter, Inc. | Systems and methods of sharing information through a tag-based consortium |
WO2012054646A2 (en) | 2010-10-19 | 2012-04-26 | The 41St Parameter, Inc. | Variable risk engine |
US10754913B2 (en) | 2011-11-15 | 2020-08-25 | Tapad, Inc. | System and method for analyzing user device information |
US9633201B1 (en) | 2012-03-01 | 2017-04-25 | The 41St Parameter, Inc. | Methods and systems for fraud containment |
US9521551B2 (en) | 2012-03-22 | 2016-12-13 | The 41St Parameter, Inc. | Methods and systems for persistent cross-application mobile device identification |
WO2014022813A1 (en) | 2012-08-02 | 2014-02-06 | The 41St Parameter, Inc. | Systems and methods for accessing records via derivative locators |
WO2014078569A1 (en) | 2012-11-14 | 2014-05-22 | The 41St Parameter, Inc. | Systems and methods of global identification |
US10902327B1 (en) | 2013-08-30 | 2021-01-26 | The 41St Parameter, Inc. | System and method for device identification and uniqueness |
US10091312B1 (en) | 2014-10-14 | 2018-10-02 | The 41St Parameter, Inc. | Data structures for intelligently resolving deterministic and probabilistic device identifiers to device profiles and/or groups |
US11164206B2 (en) * | 2018-11-16 | 2021-11-02 | Comenity Llc | Automatically aggregating, evaluating, and providing a contextually relevant offer |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4580219A (en) * | 1983-05-02 | 1986-04-01 | General Electric Company | Method for reducing image artifacts due to projection measurement inconsistencies |
US4789929A (en) * | 1987-05-14 | 1988-12-06 | Hitachi Medical Corporation | CT system for spirally scanning subject on a movable bed synchronized to X-ray tube revolution |
US5396418A (en) * | 1988-10-20 | 1995-03-07 | Picker International, Inc. | Four dimensional spiral volume imaging using fast retrace |
US5262946A (en) * | 1988-10-20 | 1993-11-16 | Picker International, Inc. | Dynamic volume scanning for CT scanners |
US5270923A (en) * | 1989-11-02 | 1993-12-14 | General Electric Company | Computed tomographic image reconstruction method for helical scanning using interpolation of partial scans for image construction |
US5233518A (en) * | 1989-11-13 | 1993-08-03 | General Electric Company | Extrapolative reconstruction method for helical scanning |
US5208746A (en) * | 1989-11-22 | 1993-05-04 | General Electric Company | Method for helical scanning with a stationary detector using rebinning and splicing to create detector vertex projection sets |
US5216601A (en) * | 1989-11-22 | 1993-06-01 | General Electric Company | Method for fan beam helical scanning using rebinning |
US5090037A (en) * | 1990-11-19 | 1992-02-18 | General Electric Company | Helical scanning computed tomography with tracking x-ray source |
US5265142A (en) * | 1992-05-08 | 1993-11-23 | General Electric Company | Image reconstruction technique for a computer tomography system |
US5430783A (en) * | 1992-08-07 | 1995-07-04 | General Electric Company | Reconstruction method for helical scanning computed tomography apparatus with multi-row detector array employing overlapping beams |
US5291402A (en) * | 1992-08-07 | 1994-03-01 | General Electric Company | Helical scanning computed tomography apparatus |
-
1994
- 1994-12-22 US US08/361,984 patent/US5491735A/en not_active Expired - Fee Related
-
1995
- 1995-11-28 DE DE19544348A patent/DE19544348A1/de not_active Withdrawn
- 1995-11-30 JP JP31228495A patent/JPH08308824A/ja active Pending
- 1995-12-06 IL IL116258A patent/IL116258A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
IL116258A0 (en) | 1996-03-31 |
JPH08308824A (ja) | 1996-11-26 |
DE19544348A1 (de) | 1996-06-27 |
US5491735A (en) | 1996-02-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FF | Patent granted | ||
KB | Patent renewed | ||
KB | Patent renewed | ||
MM9K | Patent not in force due to non-payment of renewal fees |