CN110458762A - 一种基于可调双因子的ct图像射束硬化伪影校正系统 - Google Patents
一种基于可调双因子的ct图像射束硬化伪影校正系统 Download PDFInfo
- Publication number
- CN110458762A CN110458762A CN201910591978.2A CN201910591978A CN110458762A CN 110458762 A CN110458762 A CN 110458762A CN 201910591978 A CN201910591978 A CN 201910591978A CN 110458762 A CN110458762 A CN 110458762A
- Authority
- CN
- China
- Prior art keywords
- image
- data
- projection
- density region
- obtains
- Prior art date
- 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.)
- Granted
Links
- 238000012937 correction Methods 0.000 title claims abstract description 46
- 238000004364 calculation method Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 31
- 239000002184 metal Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 230000011218 segmentation Effects 0.000 claims description 4
- 238000001228 spectrum Methods 0.000 claims description 4
- 230000010354 integration Effects 0.000 claims description 3
- 229910052704 radon Inorganic materials 0.000 claims description 3
- SYUHGPGVQRZVTB-UHFFFAOYSA-N radon atom Chemical compound [Rn] SYUHGPGVQRZVTB-UHFFFAOYSA-N 0.000 claims description 3
- 235000004443 Ricinus communis Nutrition 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 4
- 239000003814 drug Substances 0.000 abstract description 4
- 238000003384 imaging method Methods 0.000 abstract description 3
- 210000000988 bone and bone Anatomy 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- PLXMOAALOJOTIY-FPTXNFDTSA-N Aesculin Natural products OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@H](O)[C@H]1Oc2cc3C=CC(=O)Oc3cc2O PLXMOAALOJOTIY-FPTXNFDTSA-N 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002591 computed tomography Methods 0.000 description 1
- 238000013170 computed tomography imaging Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000003709 image segmentation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 208000026721 nail disease Diseases 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 108010048734 sclerotin Proteins 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/13—Edge detection
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/136—Segmentation; Edge detection involving thresholding
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/149—Segmentation; Edge detection involving deformable models, e.g. active contour models
-
- 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]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Software Systems (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910591978.2A CN110458762B (zh) | 2019-07-02 | 2019-07-02 | 一种基于可调双因子的ct图像射束硬化伪影校正系统 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910591978.2A CN110458762B (zh) | 2019-07-02 | 2019-07-02 | 一种基于可调双因子的ct图像射束硬化伪影校正系统 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110458762A true CN110458762A (zh) | 2019-11-15 |
CN110458762B CN110458762B (zh) | 2023-06-09 |
Family
ID=68482073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910591978.2A Active CN110458762B (zh) | 2019-07-02 | 2019-07-02 | 一种基于可调双因子的ct图像射束硬化伪影校正系统 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110458762B (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111223158A (zh) * | 2019-12-31 | 2020-06-02 | 上海联影智能医疗科技有限公司 | 心脏冠脉图像的伪影校正方法和可读存储介质 |
CN111754436A (zh) * | 2020-06-24 | 2020-10-09 | 上海联影医疗科技有限公司 | 医学图像伪影校正的加速方法、计算机设备和存储介质 |
CN112085809A (zh) * | 2020-09-16 | 2020-12-15 | 苏州工业园区智在天下科技有限公司 | 神经网络的训练方法、消除金属伪影的方法及其装置 |
CN113554563A (zh) * | 2021-07-23 | 2021-10-26 | 上海友脉科技有限责任公司 | 一种医学图像处理方法、介质及电子设备 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120008845A1 (en) * | 2008-03-10 | 2012-01-12 | University Of Rochester | Method and apparatus for 3d metal and high-density artifact correction for cone-beam and fan-beam ct imaging |
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 |
CN109146994A (zh) * | 2018-09-17 | 2019-01-04 | 南京航空航天大学 | 一种面向多能谱x射线ct成像的金属伪影校正方法 |
-
2019
- 2019-07-02 CN CN201910591978.2A patent/CN110458762B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120008845A1 (en) * | 2008-03-10 | 2012-01-12 | University Of Rochester | Method and apparatus for 3d metal and high-density artifact correction for cone-beam and fan-beam ct imaging |
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 |
CN109146994A (zh) * | 2018-09-17 | 2019-01-04 | 南京航空航天大学 | 一种面向多能谱x射线ct成像的金属伪影校正方法 |
Non-Patent Citations (4)
Title |
---|
JUNJUN DENG等: "Beam hardening correction using an attenuation coefficient decomposition approach", 《2012 IEEE NUCLEAR SCIENCE SYMPOSIWN AND MEDICAL IMAGING CONFERENCE RECORD (NSS/MIC)》 * |
吴志宏等: "Beam Hardening Artifact Correction in CT Based on Re-projection", 《原子能科学技术》 * |
柴佳彬: "血管液态金属造影成像金属伪影校正算法研究", 《CT理论与应用研究》 * |
薛国伟等: "一种射束硬化伪影校正方法", 《科学技术与工程》 * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111223158A (zh) * | 2019-12-31 | 2020-06-02 | 上海联影智能医疗科技有限公司 | 心脏冠脉图像的伪影校正方法和可读存储介质 |
CN111223158B (zh) * | 2019-12-31 | 2023-03-21 | 上海联影智能医疗科技有限公司 | 心脏冠脉图像的伪影校正方法和可读存储介质 |
CN111754436A (zh) * | 2020-06-24 | 2020-10-09 | 上海联影医疗科技有限公司 | 医学图像伪影校正的加速方法、计算机设备和存储介质 |
CN111754436B (zh) * | 2020-06-24 | 2024-05-03 | 上海联影医疗科技股份有限公司 | 医学图像伪影校正的加速方法、计算机设备和存储介质 |
CN112085809A (zh) * | 2020-09-16 | 2020-12-15 | 苏州工业园区智在天下科技有限公司 | 神经网络的训练方法、消除金属伪影的方法及其装置 |
CN112085809B (zh) * | 2020-09-16 | 2024-04-16 | 苏州工业园区智在天下科技有限公司 | 神经网络的训练方法、消除金属伪影的方法及其装置 |
CN113554563A (zh) * | 2021-07-23 | 2021-10-26 | 上海友脉科技有限责任公司 | 一种医学图像处理方法、介质及电子设备 |
CN113554563B (zh) * | 2021-07-23 | 2024-05-14 | 上海友脉科技有限责任公司 | 一种医学图像处理方法、介质及电子设备 |
Also Published As
Publication number | Publication date |
---|---|
CN110458762B (zh) | 2023-06-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110458762A (zh) | 一种基于可调双因子的ct图像射束硬化伪影校正系统 | |
US8023767B1 (en) | Method and apparatus for 3D metal and high-density artifact correction for cone-beam and fan-beam CT imaging | |
US9202296B2 (en) | Metal artifacts reduction for cone beam CT | |
US7391844B2 (en) | Method and apparatus for correcting for beam hardening in CT images | |
US10395397B2 (en) | Metal artifacts reduction for cone beam CT | |
US7260169B2 (en) | Device and method for computer tomography | |
Zellerhoff et al. | Low contrast 3D reconstruction from C-arm data | |
US9934597B2 (en) | Metal artifacts reduction in cone beam reconstruction | |
Abdoli et al. | Metal artifact reduction strategies for improved attenuation correction in hybrid PET/CT imaging | |
CN109146994B (zh) | 一种面向多能谱x射线ct成像的金属伪影校正方法 | |
US20090074278A1 (en) | Method and apparatus for metal artifact reduction in computed tomography | |
CN105188543B (zh) | X射线ct装置、重构运算装置以及重构运算方法 | |
US10083543B2 (en) | Metal artifacts reduction for cone beam CT using image stacking | |
US20140328450A1 (en) | System and method for reducing high density artifacts in computed tomography imaging | |
JP2007014759A (ja) | Pet/ct撮像における画像ベースのアーティファクト低減方法 | |
CN110811660B (zh) | 一种校正ct射线束硬化伪影的方法 | |
CN105608720B (zh) | 计算机断层成像伪影校正方法及装置 | |
US7031427B2 (en) | Method for estimating a scattered radiation, particularly to correct tomography or bone densitometry measurements | |
CN110458913B (zh) | 一种多阈值分割ct图像校正图像重建中骨硬化伪影的方法 | |
JP2004528100A (ja) | Ct画像再構成 | |
Xiu et al. | An Innovative Beam Hardening Correction Method for Computed Tomography Systems. | |
EP3404618B1 (en) | Poly-energetic reconstruction method for metal artifacts reduction | |
US11786193B2 (en) | Metal artifacts reduction in cone beam reconstruction | |
Welch et al. | Accurate attenuation correction in PET using short transmission scans and consistency information | |
Jakab et al. | High quality cone-beam CT reconstruction on the GPU |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information |
Inventor after: Chen Ming Inventor after: Li Gang Inventor after: Zhang Xiuyan Inventor after: Han Jingqi Inventor after: Zheng Yongguo Inventor after: Li Yong Inventor before: Chen Ming Inventor before: Zhang Xiuyan Inventor before: Li Gang Inventor before: Han Jingqi Inventor before: Zheng Yongguo Inventor before: Li Yong |
|
CB03 | Change of inventor or designer information | ||
GR01 | Patent grant | ||
GR01 | Patent grant |