CN110037724B - 一种基于st变换的ct成像方法 - Google Patents
一种基于st变换的ct成像方法 Download PDFInfo
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- CN110037724B CN110037724B CN201910191771.6A CN201910191771A CN110037724B CN 110037724 B CN110037724 B CN 110037724B CN 201910191771 A CN201910191771 A CN 201910191771A CN 110037724 B CN110037724 B CN 110037724B
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- 230000009466 transformation Effects 0.000 title claims abstract description 59
- 238000013170 computed tomography imaging Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000011159 matrix material Substances 0.000 claims abstract description 23
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 238000005070 sampling Methods 0.000 claims abstract description 3
- 230000001131 transforming effect Effects 0.000 claims description 3
- 230000005855 radiation Effects 0.000 abstract description 7
- 238000003384 imaging method Methods 0.000 abstract description 4
- 238000004422 calculation algorithm Methods 0.000 description 14
- 238000002591 computed tomography Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 240000007049 Juglans regia Species 0.000 description 1
- 235000009496 Juglans regia Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052704 radon Inorganic materials 0.000 description 1
- SYUHGPGVQRZVTB-UHFFFAOYSA-N radon atom Chemical compound [Rn] SYUHGPGVQRZVTB-UHFFFAOYSA-N 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
- 238000011426 transformation method Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 235000020234 walnut Nutrition 0.000 description 1
Classifications
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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]
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
- G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Radiology & Medical Imaging (AREA)
- Pathology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pulmonology (AREA)
- High Energy & Nuclear Physics (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Theoretical Computer Science (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Optics & Photonics (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Image Processing (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
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CN201910191771.6A CN110037724B (zh) | 2019-03-14 | 2019-03-14 | 一种基于st变换的ct成像方法 |
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CN201910191771.6A CN110037724B (zh) | 2019-03-14 | 2019-03-14 | 一种基于st变换的ct成像方法 |
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CN110037724A CN110037724A (zh) | 2019-07-23 |
CN110037724B true CN110037724B (zh) | 2023-09-12 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102628676A (zh) * | 2012-01-19 | 2012-08-08 | 东南大学 | 一种光学三维测量中的自适应窗口傅里叶相位提取法 |
CN103729856A (zh) * | 2014-01-24 | 2014-04-16 | 浙江师范大学 | 一种利用s变换信号提取的布匹疵点检测方法 |
CN108182665A (zh) * | 2017-12-26 | 2018-06-19 | 南京邮电大学 | 一种基于滤波反投影‐迭代算法的ct系统图像重建方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100054565A1 (en) * | 2006-10-06 | 2010-03-04 | Sidec Technologies Ab | Parallel beam local tomography reconstruction method |
US8275214B2 (en) * | 2008-05-16 | 2012-09-25 | Calgary Scientific, Inc. | Image texture characterization of medical images |
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2019
- 2019-03-14 CN CN201910191771.6A patent/CN110037724B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102628676A (zh) * | 2012-01-19 | 2012-08-08 | 东南大学 | 一种光学三维测量中的自适应窗口傅里叶相位提取法 |
CN103729856A (zh) * | 2014-01-24 | 2014-04-16 | 浙江师范大学 | 一种利用s变换信号提取的布匹疵点检测方法 |
CN108182665A (zh) * | 2017-12-26 | 2018-06-19 | 南京邮电大学 | 一种基于滤波反投影‐迭代算法的ct系统图像重建方法 |
Non-Patent Citations (1)
Title |
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Statistical denoising of signalsin the S-transform domain;Man weishi;《computer & geoscicens》;20091231;全文 * |
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