CN106955118B - Ct形状过滤器缺陷的单能矫正方法 - Google Patents
Ct形状过滤器缺陷的单能矫正方法 Download PDFInfo
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- CN106955118B CN106955118B CN201710233890.4A CN201710233890A CN106955118B CN 106955118 B CN106955118 B CN 106955118B CN 201710233890 A CN201710233890 A CN 201710233890A CN 106955118 B CN106955118 B CN 106955118B
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000012937 correction Methods 0.000 title claims abstract description 14
- 230000007547 defect Effects 0.000 title claims abstract description 13
- 238000005259 measurement Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 238000001228 spectrum Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000004364 calculation method Methods 0.000 abstract description 12
- 238000002591 computed tomography Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 4
- 230000000007 visual effect Effects 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 5
- 238000013459 approach Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007730 finishing process 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
- A61B6/58—Testing, adjusting or calibrating thereof
- A61B6/582—Calibration
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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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CN201710233890.4A CN106955118B (zh) | 2017-04-11 | 2017-04-11 | Ct形状过滤器缺陷的单能矫正方法 |
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CN201710233890.4A CN106955118B (zh) | 2017-04-11 | 2017-04-11 | Ct形状过滤器缺陷的单能矫正方法 |
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CN106955118A CN106955118A (zh) | 2017-07-18 |
CN106955118B true CN106955118B (zh) | 2020-04-17 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107665499B (zh) * | 2017-09-08 | 2021-08-31 | 上海联影医疗科技股份有限公司 | 一种图像校正的方法、系统和可读介质 |
CN109833053B (zh) * | 2019-02-28 | 2023-01-13 | 沈阳开普医疗影像技术有限公司 | Ct形状过滤器缺陷的双能矫正方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1483383A (zh) * | 2003-07-16 | 2004-03-24 | 沈阳东软数字医疗系统股份有限公司 | 一种ct机射束硬化的校正方法 |
CN101098660A (zh) * | 2005-01-27 | 2008-01-02 | 株式会社日立医药 | X射线测量装置 |
CN103206931A (zh) * | 2013-03-07 | 2013-07-17 | 重庆大学 | 一种x射线测厚方法及装置 |
CN105358063A (zh) * | 2013-06-19 | 2016-02-24 | 皇家飞利浦有限公司 | 具有动态射束整形器的成像器的校准 |
CN106204673A (zh) * | 2016-06-29 | 2016-12-07 | 中国人民解放军信息工程大学 | 基于能谱滤波和图像残差重投影的ct图像金属伪影校正方法 |
CN207532397U (zh) * | 2017-04-12 | 2018-06-26 | 沈阳开普医疗影像技术有限公司 | 适于单能矫正形状过滤器缺陷的ct机 |
CN109833053A (zh) * | 2019-02-28 | 2019-06-04 | 沈阳开普医疗影像技术有限公司 | Ct形状过滤器缺陷的双能矫正方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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DE10048775B4 (de) * | 2000-09-29 | 2006-02-02 | Siemens Ag | Röntgen-Computertomographieeinrichtung |
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2017
- 2017-04-11 CN CN201710233890.4A patent/CN106955118B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1483383A (zh) * | 2003-07-16 | 2004-03-24 | 沈阳东软数字医疗系统股份有限公司 | 一种ct机射束硬化的校正方法 |
CN101098660A (zh) * | 2005-01-27 | 2008-01-02 | 株式会社日立医药 | X射线测量装置 |
CN103206931A (zh) * | 2013-03-07 | 2013-07-17 | 重庆大学 | 一种x射线测厚方法及装置 |
CN105358063A (zh) * | 2013-06-19 | 2016-02-24 | 皇家飞利浦有限公司 | 具有动态射束整形器的成像器的校准 |
CN106204673A (zh) * | 2016-06-29 | 2016-12-07 | 中国人民解放军信息工程大学 | 基于能谱滤波和图像残差重投影的ct图像金属伪影校正方法 |
CN207532397U (zh) * | 2017-04-12 | 2018-06-26 | 沈阳开普医疗影像技术有限公司 | 适于单能矫正形状过滤器缺陷的ct机 |
CN109833053A (zh) * | 2019-02-28 | 2019-06-04 | 沈阳开普医疗影像技术有限公司 | Ct形状过滤器缺陷的双能矫正方法 |
Non-Patent Citations (1)
Title |
---|
A beam hardening correction for X-ray microtomography;Rogerio Ferreira de Paiv,et al;《NTD&E International》;19981231;第31卷(第1期);第17-22页 * |
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Address after: 110000 No.18, Shennong street, high tech Industrial Development Zone, Benxi City, Liaoning Province Patentee after: Liaoning Kaiying Medical Co.,Ltd. Address before: 117000, 18, Shen Nong Avenue, Benxi hi tech Industrial Development Zone, Liaoning, 8 Patentee before: SHENYANG KAMPO MEDICAL IMAGING TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20210107 Address after: 226000 Room 101, building C4, 188 Linjiang Avenue, Linjiang Town, Haimen City, Nantong City, Jiangsu Province Patentee after: Nantong Kaiying Medical Equipment Co.,Ltd. Address before: No.18 Shennong street, Benxi hi tech Industrial Development Zone, Liaoning 110000 Patentee before: Liaoning Kaiying Medical Co.,Ltd. |
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Denomination of invention: Single energy correction method for CT shape filter defects Effective date of registration: 20230330 Granted publication date: 20200417 Pledgee: China Construction Bank Corporation Benxi Branch Pledgor: Nantong Kaiying Medical Equipment Co.,Ltd. Registration number: Y2023210000065 |