PL2437051T3 - System pseudo dwuenergetyczny i metoda identyfikacji materiałów z wykorzystaniem podpróbkowania - Google Patents

System pseudo dwuenergetyczny i metoda identyfikacji materiałów z wykorzystaniem podpróbkowania

Info

Publication number
PL2437051T3
PL2437051T3 PL09845117T PL09845117T PL2437051T3 PL 2437051 T3 PL2437051 T3 PL 2437051T3 PL 09845117 T PL09845117 T PL 09845117T PL 09845117 T PL09845117 T PL 09845117T PL 2437051 T3 PL2437051 T3 PL 2437051T3
Authority
PL
Poland
Prior art keywords
sampling
double
identification method
material identification
pseudo system
Prior art date
Application number
PL09845117T
Other languages
English (en)
Inventor
Li Zhang
Zhiqiang Chen
Yuanyuan Liu
Yuxiang Xing
Ziran Zhao
Original Assignee
Tsinghua University
Nuctech Company Limited
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tsinghua University, Nuctech Company Limited filed Critical Tsinghua University
Publication of PL2437051T3 publication Critical patent/PL2437051T3/pl

Links

Classifications

    • 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
    • G01N23/06—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 measuring the absorption
    • G01N23/083—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 measuring the absorption the radiation being X-rays
    • G01N23/087—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 measuring the absorption the radiation being X-rays using polyenergetic X-rays
    • 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
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4035—Arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
    • 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
    • A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
    • A61B6/4241—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using energy resolving detectors, e.g. photon counting
    • 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
    • A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4266—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a plurality of detector units
    • 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
    • A61B6/48—Diagnostic techniques
    • A61B6/482—Diagnostic techniques involving multiple energy imaging
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/10—Image preprocessing, e.g. calibration, positioning of sources or scatter correction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/30—Image post-processing, e.g. metal artefact correction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/40—Imaging
    • G01N2223/419—Imaging computed tomograph
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/40—Imaging
    • G01N2223/423—Imaging multispectral imaging-multiple energy imaging
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/408—Dual energy

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Veterinary Medicine (AREA)
  • Radiology & Medical Imaging (AREA)
  • Public Health (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Pulmonology (AREA)
  • Toxicology (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
PL09845117T 2009-05-27 2009-12-30 System pseudo dwuenergetyczny i metoda identyfikacji materiałów z wykorzystaniem podpróbkowania PL2437051T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN200910085924.5A CN101900695B (zh) 2009-05-27 2009-05-27 伪双能欠采样物质识别系统和方法
EP09845117.2A EP2437051B1 (en) 2009-05-27 2009-12-30 Pseudo dual-energy material discriminating system and method using under-sampling
PCT/CN2009/076297 WO2010135901A1 (zh) 2009-05-27 2009-12-30 伪双能欠采样物质识别系统和方法

Publications (1)

Publication Number Publication Date
PL2437051T3 true PL2437051T3 (pl) 2018-09-28

Family

ID=43222129

Family Applications (1)

Application Number Title Priority Date Filing Date
PL09845117T PL2437051T3 (pl) 2009-05-27 2009-12-30 System pseudo dwuenergetyczny i metoda identyfikacji materiałów z wykorzystaniem podpróbkowania

Country Status (5)

Country Link
US (1) US8831305B2 (pl)
EP (1) EP2437051B1 (pl)
CN (1) CN101900695B (pl)
PL (1) PL2437051T3 (pl)
WO (1) WO2010135901A1 (pl)

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BR112014001553B1 (pt) * 2011-07-26 2020-11-03 Ingrain, Inc métodos para estimar a densidade volumétrica de pelo menos um objeto alvo e método para estimar a densidade volumétrica de um objeto alvo
US9069092B2 (en) 2012-02-22 2015-06-30 L-3 Communication Security and Detection Systems Corp. X-ray imager with sparse detector array
CN103674979B (zh) * 2012-09-19 2016-12-21 同方威视技术股份有限公司 一种行李物品ct安检系统及其探测器装置
CN103675931B (zh) * 2012-09-26 2016-09-28 同方威视技术股份有限公司 Ct系统和用于ct系统的探测装置
CN104240270B (zh) * 2013-06-14 2017-12-05 同方威视技术股份有限公司 Ct成像方法和系统
JP6150940B2 (ja) * 2013-07-30 2017-06-21 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 位相コントラストｃｔを使うことによる単色減衰コントラスト画像生成
CN104751163B (zh) * 2013-12-27 2018-06-19 同方威视技术股份有限公司 对货物进行自动分类识别的透视检查系统和方法
CN105242322A (zh) * 2014-06-25 2016-01-13 清华大学 探测器装置、双能ct系统和使用该系统的检测方法
CN104065889B (zh) * 2014-06-25 2017-06-27 山东大学 一种伪双能x射线线阵成像系统
US10039513B2 (en) * 2014-07-21 2018-08-07 Zebra Medical Vision Ltd. Systems and methods for emulating DEXA scores based on CT images
US10588589B2 (en) 2014-07-21 2020-03-17 Zebra Medical Vision Ltd. Systems and methods for prediction of osteoporotic fracture risk
CN105806856B (zh) * 2014-12-30 2019-02-19 清华大学 双能射线成像方法和系统
CN105758873B (zh) * 2015-03-04 2019-12-31 公安部第一研究所 一种ct探测装置及其数据处理方法
US10463331B2 (en) * 2016-09-08 2019-11-05 Koninklijke Philips N.V. Apparatus for multi material decomposition
CN109982640A (zh) * 2016-11-16 2019-07-05 皇家飞利浦有限公司 用于根据相衬成像数据生成多能量数据的装置
MX2023009276A (es) 2021-02-23 2023-10-10 Rapiscan Systems Inc Sistemas y metodos para eliminar señales de diafonía en uno o más sistemas de escaneo que tienen múltiples fuentes de rayos x.
EP4371038A4 (en) 2021-07-13 2025-05-28 Rapiscan Systems, Inc. IMAGE INSPECTION SYSTEMS AND METHODS FOR INTEGRATING THIRD-PARTY ARTIFICIAL INTELLIGENCE PLATFORMS
CN114034724B (zh) * 2021-10-18 2024-02-09 苏州微木智能系统有限公司 全自动探测系统和方法
CN118785948A (zh) 2022-02-03 2024-10-15 拉皮斯坎控股公司 用于x射线线性加速器的实时能量和剂量监测的系统和方法
US12474282B2 (en) 2022-05-20 2025-11-18 Rapiscan Holdings, Inc. Systems and a method of improved material classification using energy-integrated backscatter detectors
CN115105107A (zh) * 2022-06-20 2022-09-27 北京朗视仪器股份有限公司 一种能谱成像方法及能谱成像系统
CN118258893A (zh) * 2022-12-27 2024-06-28 清华大学 肉类检测系统以及肉类检测方法
EP4680116A1 (en) 2023-03-17 2026-01-21 Rapiscan Holdings, Inc. Systems and methods for monitoring output energy of a high-energy x-ray source

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Also Published As

Publication number Publication date
US20120134531A1 (en) 2012-05-31
EP2437051B1 (en) 2018-03-14
EP2437051A1 (en) 2012-04-04
EP2437051A4 (en) 2014-10-22
CN101900695B (zh) 2011-11-23
CN101900695A (zh) 2010-12-01
WO2010135901A1 (zh) 2010-12-02
US8831305B2 (en) 2014-09-09

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