EP1576446A4 - 3pi algorithm for spiral ct - Google Patents
3pi algorithm for spiral ctInfo
- Publication number
- EP1576446A4 EP1576446A4 EP03812496A EP03812496A EP1576446A4 EP 1576446 A4 EP1576446 A4 EP 1576446A4 EP 03812496 A EP03812496 A EP 03812496A EP 03812496 A EP03812496 A EP 03812496A EP 1576446 A4 EP1576446 A4 EP 1576446A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- spiral
- algorithm
- 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.)
- Withdrawn
Links
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
- A61B6/027—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
- G06T2211/416—Exact reconstruction
-
- 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]
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Optics & Photonics (AREA)
- Heart & Thoracic Surgery (AREA)
- High Energy & Nuclear Physics (AREA)
- Theoretical Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Image Processing (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US42002P | 1997-04-16 | ||
US4200202P | 2002-12-04 | 2002-12-04 | |
US389534 | 2003-03-14 | ||
US10/389,534 US6804321B2 (en) | 2001-08-16 | 2003-03-14 | Filtered back projection (FBP) algorithm for computer tomography |
PCT/US2003/038375 WO2004051431A2 (en) | 2002-12-04 | 2003-12-04 | 3pi algorithm for spiral ct |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1576446A2 EP1576446A2 (en) | 2005-09-21 |
EP1576446A4 true EP1576446A4 (en) | 2009-02-18 |
Family
ID=56290510
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03812496A Withdrawn EP1576446A4 (en) | 2002-12-04 | 2003-12-04 | 3pi algorithm for spiral ct |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1576446A4 (en) |
JP (1) | JP2006524059A (en) |
AU (1) | AU2003300812A1 (en) |
WO (1) | WO2004051431A2 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1308898A2 (en) * | 2001-10-30 | 2003-05-07 | Siemens Corporate Research, Inc. | System and method for image reconstruction |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5625660A (en) * | 1995-06-30 | 1997-04-29 | Picker International, Inc. | Image reconstruction from helical partial cone-beam data |
US6272200B1 (en) * | 1999-07-28 | 2001-08-07 | Arch Development Corporation | Fourier and spline-based reconstruction of helical CT images |
US6459754B1 (en) * | 1999-10-27 | 2002-10-01 | Ge Medical Systems Global Technology Company, Llc | Methods and apparatus for cone beam multislice CT correction |
US6574299B1 (en) | 2001-08-16 | 2003-06-03 | University Of Central Florida | Exact filtered back projection (FBP) algorithm for spiral computer tomography |
-
2003
- 2003-12-04 EP EP03812496A patent/EP1576446A4/en not_active Withdrawn
- 2003-12-04 AU AU2003300812A patent/AU2003300812A1/en not_active Abandoned
- 2003-12-04 JP JP2004570998A patent/JP2006524059A/en active Pending
- 2003-12-04 WO PCT/US2003/038375 patent/WO2004051431A2/en active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1308898A2 (en) * | 2001-10-30 | 2003-05-07 | Siemens Corporate Research, Inc. | System and method for image reconstruction |
Non-Patent Citations (2)
Title |
---|
A. KATSEVICH: "Theoretically exact filtered backprojection-type inversion algorithm for spiral CT", SOCIETY FOR INDUSTRIAL AND APPLIED MATHEMATICS, vol. 62, no. 6, 3 July 2002 (2002-07-03), SIAM J. APPL. MATH., pages 2012 - 2026, XP002509703, Retrieved from the Internet <URL:http://digilander.libero.it/Spiral_CT/document/DOC_24.pdf> [retrieved on 20090108] * |
PROSKA, KÖHLER, GRASS, TIMMER: "The n-PI-method for Helical Cone-Beam CT", IEEE TRANSACTIONS ON MEDICAL IMAGING, vol. 19, no. 9, 1 October 2000 (2000-10-01), IEEE, pages 848 - 863, XP002509702, Retrieved from the Internet <URL:http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=00887834> [retrieved on 20090108] * |
Also Published As
Publication number | Publication date |
---|---|
WO2004051431A3 (en) | 2005-12-29 |
AU2003300812A8 (en) | 2004-06-23 |
JP2006524059A (en) | 2006-10-26 |
EP1576446A2 (en) | 2005-09-21 |
AU2003300812A1 (en) | 2004-06-23 |
WO2004051431A2 (en) | 2004-06-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20050610 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK |
|
PUAK | Availability of information related to the publication of the international search report |
Free format text: ORIGINAL CODE: 0009015 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: A61B 6/03 20060101AFI20060110BHEP |
|
DAX | Request for extension of the european patent (deleted) | ||
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: UNIVERSITY OF CENTRAL FLORIDA RESEARCH FOUNDATION, |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20090121 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Effective date: 20090211 |