CN105447832A - 一种基于探测器单元标定的ct图像伪影校正方法及应用 - Google Patents
一种基于探测器单元标定的ct图像伪影校正方法及应用 Download PDFInfo
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- CN105447832A CN105447832A CN201510936829.7A CN201510936829A CN105447832A CN 105447832 A CN105447832 A CN 105447832A CN 201510936829 A CN201510936829 A CN 201510936829A CN 105447832 A CN105447832 A CN 105447832A
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- 238000013170 computed tomography imaging Methods 0.000 claims abstract description 12
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/80—Geometric correction
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10072—Tomographic images
- G06T2207/10081—Computed x-ray tomography [CT]
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106056645A (zh) * | 2016-05-25 | 2016-10-26 | 天津商业大学 | 基于频域分析的ct图像平移运动伪影校正方法 |
CN106846256A (zh) * | 2016-08-27 | 2017-06-13 | 中国科学院地质与地球物理研究所 | 页岩纳米孔隙结构投影数据的几何校正方法及装置 |
CN106901768A (zh) * | 2017-02-23 | 2017-06-30 | 门阔 | 减少锥形束ct照射剂量的自适应调制方法 |
CN107202805A (zh) * | 2017-05-31 | 2017-09-26 | 中国人民解放军信息工程大学 | 基于卷积核的锥束ct散射伪影校正方法 |
WO2020206656A1 (zh) * | 2019-04-11 | 2020-10-15 | 清华大学 | 多能量ct基材料物质分解方法 |
CN112033982A (zh) * | 2020-07-15 | 2020-12-04 | 成都飞机工业(集团)有限责任公司 | 一种基于能谱的3d打印无损检测方法 |
CN113409414A (zh) * | 2021-06-08 | 2021-09-17 | 江苏一影医疗设备有限公司 | X线图像的散射修正方法、装置、电子设备、存储介质 |
CN114041811A (zh) * | 2021-11-03 | 2022-02-15 | 海南大学 | 模体和模体在扫描设备中的应用方法 |
Citations (7)
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EP1516588A1 (en) * | 2003-09-19 | 2005-03-23 | GE Medical Systems Global Technology Company LLC | Radiation scatter correcting computed tomography apparatus and method |
CN101178808A (zh) * | 2007-11-15 | 2008-05-14 | 南方医科大学 | 一种改进的锥形束ct环形伪影的消除方法 |
CN101266216A (zh) * | 2007-03-14 | 2008-09-17 | 清华大学 | 标定双能ct系统的方法和图像重建方法 |
CN101292270A (zh) * | 2005-10-20 | 2008-10-22 | 皇家飞利浦电子股份有限公司 | 用于双次ct锥形束伪像减少的自适应软组织阈值设定 |
EP2584532A1 (en) * | 2011-10-21 | 2013-04-24 | Friedrich-Alexander-Universität Erlangen-Nürnberg | Empirical cupping correction for CT scanners with primary modulation |
CN103961125A (zh) * | 2013-01-31 | 2014-08-06 | 东北大学 | 一种用于锥束ct的ct值校正方法 |
US8989343B2 (en) * | 2012-04-27 | 2015-03-24 | Nihon University | Image processing device, X-ray CT photographic apparatus, and image processing method |
-
2015
- 2015-12-14 CN CN201510936829.7A patent/CN105447832B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1516588A1 (en) * | 2003-09-19 | 2005-03-23 | GE Medical Systems Global Technology Company LLC | Radiation scatter correcting computed tomography apparatus and method |
CN101292270A (zh) * | 2005-10-20 | 2008-10-22 | 皇家飞利浦电子股份有限公司 | 用于双次ct锥形束伪像减少的自适应软组织阈值设定 |
CN101266216A (zh) * | 2007-03-14 | 2008-09-17 | 清华大学 | 标定双能ct系统的方法和图像重建方法 |
CN101178808A (zh) * | 2007-11-15 | 2008-05-14 | 南方医科大学 | 一种改进的锥形束ct环形伪影的消除方法 |
EP2584532A1 (en) * | 2011-10-21 | 2013-04-24 | Friedrich-Alexander-Universität Erlangen-Nürnberg | Empirical cupping correction for CT scanners with primary modulation |
US8989343B2 (en) * | 2012-04-27 | 2015-03-24 | Nihon University | Image processing device, X-ray CT photographic apparatus, and image processing method |
CN103961125A (zh) * | 2013-01-31 | 2014-08-06 | 东北大学 | 一种用于锥束ct的ct值校正方法 |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106056645A (zh) * | 2016-05-25 | 2016-10-26 | 天津商业大学 | 基于频域分析的ct图像平移运动伪影校正方法 |
CN106056645B (zh) * | 2016-05-25 | 2018-12-28 | 天津商业大学 | 基于频域分析的ct图像平移运动伪影校正方法 |
CN106846256A (zh) * | 2016-08-27 | 2017-06-13 | 中国科学院地质与地球物理研究所 | 页岩纳米孔隙结构投影数据的几何校正方法及装置 |
CN106846256B (zh) * | 2016-08-27 | 2018-02-23 | 中国科学院地质与地球物理研究所 | 页岩纳米孔隙结构投影数据的几何校正方法及装置 |
CN106901768A (zh) * | 2017-02-23 | 2017-06-30 | 门阔 | 减少锥形束ct照射剂量的自适应调制方法 |
CN107202805A (zh) * | 2017-05-31 | 2017-09-26 | 中国人民解放军信息工程大学 | 基于卷积核的锥束ct散射伪影校正方法 |
CN107202805B (zh) * | 2017-05-31 | 2020-05-05 | 中国人民解放军信息工程大学 | 基于卷积核的锥束ct散射伪影校正方法 |
WO2020206656A1 (zh) * | 2019-04-11 | 2020-10-15 | 清华大学 | 多能量ct基材料物质分解方法 |
CN112033982A (zh) * | 2020-07-15 | 2020-12-04 | 成都飞机工业(集团)有限责任公司 | 一种基于能谱的3d打印无损检测方法 |
CN113409414A (zh) * | 2021-06-08 | 2021-09-17 | 江苏一影医疗设备有限公司 | X线图像的散射修正方法、装置、电子设备、存储介质 |
CN113409414B (zh) * | 2021-06-08 | 2024-03-26 | 江苏一影医疗设备有限公司 | X线图像的散射修正方法、装置、电子设备、存储介质 |
CN114041811A (zh) * | 2021-11-03 | 2022-02-15 | 海南大学 | 模体和模体在扫描设备中的应用方法 |
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