PL2437050T3 - Metoda i urządzenia do dwuenergetycznej identyfikacji materiałów przy próbkowaniu ze zbyt niską częstotliwością - Google Patents

Metoda i urządzenia do dwuenergetycznej identyfikacji materiałów przy próbkowaniu ze zbyt niską częstotliwością

Info

Publication number
PL2437050T3
PL2437050T3 PL09845116T PL09845116T PL2437050T3 PL 2437050 T3 PL2437050 T3 PL 2437050T3 PL 09845116 T PL09845116 T PL 09845116T PL 09845116 T PL09845116 T PL 09845116T PL 2437050 T3 PL2437050 T3 PL 2437050T3
Authority
PL
Poland
Prior art keywords
undersampling
dual
identification method
energy material
material identification
Prior art date
Application number
PL09845116T
Other languages
English (en)
Inventor
Zhiqiang Chen
Li Zhang
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 PL2437050T3 publication Critical patent/PL2437050T3/pl

Links

Classifications

    • 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
    • A61B6/02—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
    • A61B6/42—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
    • A61B6/48—Diagnostic techniques
    • A61B6/482—Diagnostic techniques involving multiple energy imaging
    • 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
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/008—Specific post-processing after tomographic reconstruction, e.g. voxelisation, metal artifact correction
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Pulmonology (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
PL09845116T 2009-05-27 2009-12-30 Metoda i urządzenia do dwuenergetycznej identyfikacji materiałów przy próbkowaniu ze zbyt niską częstotliwością PL2437050T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN200910085925XA CN101900696B (zh) 2009-05-27 2009-05-27 双能欠采样物质识别方法和系统
EP09845116.4A EP2437050B1 (en) 2009-05-27 2009-12-30 Dual-energy material identification method and apparatus with undersampling
PCT/CN2009/076295 WO2010135900A1 (zh) 2009-05-27 2009-12-30 双能欠采样物质识别方法和系统

Publications (1)

Publication Number Publication Date
PL2437050T3 true PL2437050T3 (pl) 2018-03-30

Family

ID=43222128

Family Applications (1)

Application Number Title Priority Date Filing Date
PL09845116T PL2437050T3 (pl) 2009-05-27 2009-12-30 Metoda i urządzenia do dwuenergetycznej identyfikacji materiałów przy próbkowaniu ze zbyt niską częstotliwością

Country Status (5)

Country Link
US (1) US8582857B2 (pl)
EP (1) EP2437050B1 (pl)
CN (1) CN101900696B (pl)
PL (1) PL2437050T3 (pl)
WO (1) WO2010135900A1 (pl)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101900695B (zh) * 2009-05-27 2011-11-23 清华大学 伪双能欠采样物质识别系统和方法
DE102011087127B4 (de) * 2011-11-25 2015-11-19 Siemens Aktiengesellschaft Bestimmung von Aufnahmeparametern bei einer Dual-Energy Tomosynthese
DE102012211146A1 (de) * 2012-06-28 2014-01-02 Siemens Aktiengesellschaft Verfahren und Röntgensystem zur Erzeugung einer Phasenkontrastdarstellung
US9414790B2 (en) * 2012-10-15 2016-08-16 Elekta Ab (Publ) Dual-energy cone-beam CT scanning
US9128584B2 (en) * 2013-02-15 2015-09-08 Carl Zeiss X-ray Microscopy, Inc. Multi energy X-ray microscope data acquisition and image reconstruction system and method
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
JP2016099308A (ja) * 2014-11-26 2016-05-30 株式会社日立ハイテクサイエンス 蛍光ｘ線分析装置及び蛍光ｘ線分析方法
GB2533632B (en) * 2014-12-24 2018-01-03 Gen Electric Method and system for obtaining low dose tomosynthesis and material decomposition images
WO2016116795A1 (en) * 2015-01-20 2016-07-28 Koninklijke Philips N.V. Image data segmentation and display
US10169865B2 (en) 2015-10-18 2019-01-01 Carl Zeiss X-ray Microscopy, Inc. Multi energy X-ray microscope data acquisition and image reconstruction system and method
CN107356615B (zh) 2016-05-10 2020-01-21 清华大学 一种用于双能x射线ct的方法和系统
US10466183B2 (en) * 2016-10-31 2019-11-05 Lawrence Livermore National Security, Llc System-independent characterization of materials using dual-energy computed tomography
JP7054329B2 (ja) 2017-10-06 2022-04-13 キヤノン株式会社 画像処理装置、画像処理方法及びプログラム
CN109978809B (zh) * 2017-12-26 2022-02-22 同方威视技术股份有限公司 图像处理方法、装置及计算机可读存储介质
WO2019144065A1 (en) 2018-01-22 2019-07-25 Xenselab, Llc Methods for x-ray imaging of a subject using multiple-energy decomposition
JP2021518217A (ja) 2018-03-19 2021-08-02 センスラボ エルエルシーＸｅｎｓｅｌａｂ， Ｌｌｃ Ｘ線断層撮影法
USD981565S1 (en) 2021-06-21 2023-03-21 Xenselab Llc Medical imaging apparatus
CN113240617B (zh) * 2021-07-09 2021-11-02 同方威视技术股份有限公司 扫描图像重建方法、检查设备及计算机可读存储介质

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7197172B1 (en) * 2003-07-01 2007-03-27 Analogic Corporation Decomposition of multi-energy scan projections using multi-step fitting
US7190757B2 (en) * 2004-05-21 2007-03-13 Analogic Corporation Method of and system for computing effective atomic number images in multi-energy computed tomography
EP1915094A2 (en) * 2005-08-09 2008-04-30 Koninklijke Philips Electronics N.V. System and method for dual energy dynamic x-ray imaging
US7298812B2 (en) * 2006-03-31 2007-11-20 General Electric Company Image-based material decomposition
JP5274812B2 (ja) * 2007-11-12 2013-08-28 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Ｘ線ｃｔ装置及び画像処理装置

Also Published As

Publication number Publication date
EP2437050A1 (en) 2012-04-04
US8582857B2 (en) 2013-11-12
EP2437050B1 (en) 2017-09-06
US20120148133A1 (en) 2012-06-14
CN101900696B (zh) 2012-01-04
CN101900696A (zh) 2010-12-01
WO2010135900A1 (zh) 2010-12-02
EP2437050A4 (en) 2014-05-28

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