JPWO2022158575A1 - - Google Patents
Info
- Publication number
- JPWO2022158575A1 JPWO2022158575A1 JP2022576763A JP2022576763A JPWO2022158575A1 JP WO2022158575 A1 JPWO2022158575 A1 JP WO2022158575A1 JP 2022576763 A JP2022576763 A JP 2022576763A JP 2022576763 A JP2022576763 A JP 2022576763A JP WO2022158575 A1 JPWO2022158575 A1 JP WO2022158575A1
- Authority
- JP
- Japan
- 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
Classifications
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- 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
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- 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
- A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
- A61B6/5205—Devices using data or image processing specially adapted for radiation diagnosis involving processing of raw data to produce diagnostic data
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- 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]
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- 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
- A61B6/58—Testing, adjusting or calibrating thereof
- A61B6/582—Calibration
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/16—Matrix or vector computation, e.g. matrix-matrix or matrix-vector multiplication, matrix factorization
-
- 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
- A61B6/58—Testing, adjusting or calibrating thereof
- A61B6/582—Calibration
- A61B6/585—Calibration of detector units
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
- G01T1/2914—Measurement of spatial distribution of radiation
- G01T1/2985—In depth localisation, e.g. using positron emitters; Tomographic imaging (longitudinal and transverse section imaging; apparatus for radiation diagnosis sequentially in different planes, steroscopic radiation diagnosis)
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2211/00—Image generation
- G06T2211/40—Computed tomography
- G06T2211/424—Iterative
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2211/00—Image generation
- G06T2211/40—Computed tomography
- G06T2211/436—Limited angle
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- High Energy & Nuclear Physics (AREA)
- Biomedical Technology (AREA)
- Pathology (AREA)
- Optics & Photonics (AREA)
- Algebra (AREA)
- Computational Mathematics (AREA)
- Data Mining & Analysis (AREA)
- Computing Systems (AREA)
- Databases & Information Systems (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Image Processing (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021008321 | 2021-01-21 | ||
PCT/JP2022/002247 WO2022158575A1 (ja) | 2021-01-21 | 2022-01-21 | 断層撮像のためのシステム、方法、プログラム、及びプログラムを記録した記録媒体 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPWO2022158575A1 true JPWO2022158575A1 (ja) | 2022-07-28 |
Family
ID=82548766
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022576763A Pending JPWO2022158575A1 (ja) | 2021-01-21 | 2022-01-21 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20240153162A1 (ja) |
EP (1) | EP4283343A4 (ja) |
JP (1) | JPWO2022158575A1 (ja) |
WO (1) | WO2022158575A1 (ja) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2631004C (en) * | 2007-05-09 | 2016-07-19 | Universite De Sherbrooke | Image reconstruction methods based on block circulant system matrices |
US8837797B2 (en) | 2012-01-10 | 2014-09-16 | Kabushiki Kaisha Toshiba | Spatial resolution improvement in computer tomography (CT) using iterative reconstruction |
US10304217B2 (en) | 2012-07-30 | 2019-05-28 | Toshiba Medical Systems Corporation | Method and system for generating image using filtered backprojection with noise weighting and or prior in |
US9449385B2 (en) * | 2014-06-02 | 2016-09-20 | Toshiba Medical Systems Corporation | Reconstruction of computed tomography images using combined third-generation and fourth-generation projection data |
CN104899827B (zh) * | 2015-05-26 | 2018-04-10 | 大连理工大学 | 基于固定分辨率条件下的离散Radon投影和Mojette投影转换方法 |
JP7273272B2 (ja) * | 2018-05-28 | 2023-05-15 | 国立研究開発法人理化学研究所 | 角度オフセットによる断層画像データの取得方法、取得装置、および制御プログラム |
WO2019230740A1 (ja) * | 2018-05-28 | 2019-12-05 | 国立研究開発法人理化学研究所 | オーバーサンプリングによる断層画像データの取得方法、取得装置、および制御プログラム |
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2022
- 2022-01-21 US US18/262,230 patent/US20240153162A1/en active Pending
- 2022-01-21 JP JP2022576763A patent/JPWO2022158575A1/ja active Pending
- 2022-01-21 EP EP22742694.7A patent/EP4283343A4/en active Pending
- 2022-01-21 WO PCT/JP2022/002247 patent/WO2022158575A1/ja unknown
Also Published As
Publication number | Publication date |
---|---|
WO2022158575A1 (ja) | 2022-07-28 |
EP4283343A4 (en) | 2024-07-24 |
EP4283343A1 (en) | 2023-11-29 |
US20240153162A1 (en) | 2024-05-09 |