CN114903510A - 一种双能ct成像方法、装置及计算机设备 - Google Patents
一种双能ct成像方法、装置及计算机设备 Download PDFInfo
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- CN114903510A CN114903510A CN202210589565.2A CN202210589565A CN114903510A CN 114903510 A CN114903510 A CN 114903510A CN 202210589565 A CN202210589565 A CN 202210589565A CN 114903510 A CN114903510 A CN 114903510A
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- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000013170 computed tomography imaging Methods 0.000 title claims abstract description 33
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 123
- 238000003384 imaging method Methods 0.000 claims abstract description 38
- 239000011159 matrix material Substances 0.000 claims abstract description 38
- 239000000126 substance Substances 0.000 claims abstract description 37
- 238000004422 calculation algorithm Methods 0.000 claims abstract description 31
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- 238000003491 array Methods 0.000 description 1
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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]
- A61B6/032—Transmission computed tomography [CT]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/48—Diagnostic techniques
- A61B6/482—Diagnostic techniques involving multiple energy imaging
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- 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
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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
- A61B6/5211—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data
- A61B6/5217—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data extracting a diagnostic or physiological parameter from medical diagnostic data
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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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CN202210589565.2A CN114903510B (zh) | 2022-05-26 | 2022-05-26 | 一种双能ct成像方法、装置及计算机设备 |
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CN114903510A true CN114903510A (zh) | 2022-08-16 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110188725A1 (en) * | 2008-09-03 | 2011-08-04 | Lifeng Yu | Method for reconstruction in dual energy, dual source helical computed tomography |
CN103472074A (zh) * | 2013-06-19 | 2013-12-25 | 清华大学 | Ct成像系统和方法 |
US20140369458A1 (en) * | 2013-06-14 | 2014-12-18 | Nuctech Company Limited | Ct imaging methods and systems |
EP2843623A2 (en) * | 2013-07-26 | 2015-03-04 | Tsinghua University | X-ray dual-energy CT reconstruction method |
CN104408758A (zh) * | 2014-11-12 | 2015-03-11 | 南方医科大学 | 一种低剂量能谱ct图像处理方法 |
CN104899903A (zh) * | 2015-05-12 | 2015-09-09 | 公安部第一研究所 | 基于cuda架构的gpu并行加速双能谱ct重建方法 |
CN111145281A (zh) * | 2019-12-12 | 2020-05-12 | 南京航空航天大学 | 一种双能ct直接迭代基材料分解图像重建方法 |
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- 2022-05-26 CN CN202210589565.2A patent/CN114903510B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110188725A1 (en) * | 2008-09-03 | 2011-08-04 | Lifeng Yu | Method for reconstruction in dual energy, dual source helical computed tomography |
US20140369458A1 (en) * | 2013-06-14 | 2014-12-18 | Nuctech Company Limited | Ct imaging methods and systems |
CN103472074A (zh) * | 2013-06-19 | 2013-12-25 | 清华大学 | Ct成像系统和方法 |
EP2843623A2 (en) * | 2013-07-26 | 2015-03-04 | Tsinghua University | X-ray dual-energy CT reconstruction method |
CN104408758A (zh) * | 2014-11-12 | 2015-03-11 | 南方医科大学 | 一种低剂量能谱ct图像处理方法 |
CN104899903A (zh) * | 2015-05-12 | 2015-09-09 | 公安部第一研究所 | 基于cuda架构的gpu并行加速双能谱ct重建方法 |
CN111145281A (zh) * | 2019-12-12 | 2020-05-12 | 南京航空航天大学 | 一种双能ct直接迭代基材料分解图像重建方法 |
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Inventor after: He Aijing Inventor after: Yang Shu Inventor after: Zhang Kangping Inventor after: Sun Yu Inventor after: Zhang Wenyu Inventor after: Wu Hongxin Inventor after: Wang Yajie Inventor before: Wu Hongxin Inventor before: Zhang Wenyu Inventor before: He Aijing Inventor before: Zhang Kangping Inventor before: Sun Yu Inventor before: Wang Yajie Inventor before: Wang Jibin |
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