CN110121300B - 缩放式射线照相重建 - Google Patents

缩放式射线照相重建 Download PDF

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Publication number
CN110121300B
CN110121300B CN201780079793.2A CN201780079793A CN110121300B CN 110121300 B CN110121300 B CN 110121300B CN 201780079793 A CN201780079793 A CN 201780079793A CN 110121300 B CN110121300 B CN 110121300B
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Prior art keywords
detector
reconstruction
reference value
scaled
overlap region
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Chinese (zh)
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CN110121300A (zh
Inventor
D·舍费尔
P·G·范德哈尔
S·布鲁斯米什
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Ion Beam Applications SA
Koninklijke Philips NV
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Ion Beam Applications SA
Koninklijke Philips NV
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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]
    • 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
    • A61B6/4258—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector for detecting non x-ray radiation, e.g. gamma radiation
    • 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
    • A61B6/44—Constructional features of apparatus for radiation diagnosis
    • A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
    • A61B6/4452—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being able to move relative to each other
    • 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
    • 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
    • A61B6/5211—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data
    • A61B6/5229—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image
    • A61B6/5235—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image combining images from the same or different ionising radiation imaging techniques, e.g. PET and CT
    • A61B6/5241—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image combining images from the same or different ionising radiation imaging techniques, e.g. PET and CT combining overlapping images of the same imaging modality, e.g. by stitching
    • 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
    • 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
    • A61B6/585—Calibration of detector units
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G06T7/0012—Biomedical image inspection
    • 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
    • A61B6/4064—Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
    • A61B6/4085—Cone-beams
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N2005/1085—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy characterised by the type of particles applied to the patient
    • A61N2005/1087—Ions; Protons
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10116—X-ray image
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/432—Truncation

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Pathology (AREA)
  • Optics & Photonics (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Pulmonology (AREA)
  • Quality & Reliability (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
CN201780079793.2A 2016-12-21 2017-12-20 缩放式射线照相重建 Active CN110121300B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP16205801 2016-12-21
EP16205801.0 2016-12-21
PCT/EP2017/083885 WO2018115160A1 (en) 2016-12-21 2017-12-20 Scaled radiography reconstruction

Publications (2)

Publication Number Publication Date
CN110121300A CN110121300A (zh) 2019-08-13
CN110121300B true CN110121300B (zh) 2023-06-16

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CN201780079793.2A Active CN110121300B (zh) 2016-12-21 2017-12-20 缩放式射线照相重建

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Country Link
US (1) US11127173B2 (enExample)
EP (1) EP3558129B1 (enExample)
JP (1) JP7159165B2 (enExample)
CN (1) CN110121300B (enExample)
WO (1) WO2018115160A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12285182B2 (en) 2018-10-10 2025-04-29 Innova Vascular, Inc. Devices and methods for removing an embolus

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU4352400A (en) * 1999-04-15 2000-11-02 General Electric Company Half field of view reduced-size ct detector
JP4230731B2 (ja) * 2002-07-29 2009-02-25 株式会社東芝 ディジタル画像処理装置及びｘ線診断装置
US6856666B2 (en) * 2002-10-04 2005-02-15 Ge Medical Systems Global Technology Company, Llc Multi modality imaging methods and apparatus
DE102004042491B4 (de) 2004-08-31 2009-07-09 Siemens Ag Verfahren zur Erzeugung von tomographischen Schnittbildern von einem Untersuchungsobjekt mit mindestens zwei winkelversetzten Strahlenbündeln und Computertomographie-Gerät zur Durchführung dieses Verfahrens
DE102006021051A1 (de) * 2006-05-05 2007-11-15 Siemens Ag Verfahren zur Generierung eines medizinischen Bildes und medizinisches Bildaufnahmesystem
US8194961B2 (en) * 2008-04-21 2012-06-05 Kabushiki Kaisha Toshiba Method, apparatus, and computer-readable medium for pre-reconstruction decomposition and calibration in dual energy computed tomography
EP2411965B1 (en) 2009-03-26 2016-01-13 Koninklijke Philips N.V. Method and apparatus for computed tomography image reconstruction
EP2577608B1 (en) * 2010-05-27 2014-07-16 Koninklijke Philips N.V. Improved reconstruction for cone-beam computed tomography imaging with off-center flat panel detector
US8818065B2 (en) 2011-07-01 2014-08-26 Carestream Health, Inc. Methods and apparatus for scatter correction for CBCT system and cone-beam image reconstruction
US9579075B2 (en) * 2012-10-02 2017-02-28 Analogic Corporation Detector array comprising energy integrating and photon counting cells
EP3447518B1 (en) * 2017-08-25 2022-01-26 Siemens Healthcare GmbH Fan- or cone-beam geometry for magnetic resonance imaging and x-ray imaging

Also Published As

Publication number Publication date
EP3558129A1 (en) 2019-10-30
US11127173B2 (en) 2021-09-21
JP7159165B2 (ja) 2022-10-24
WO2018115160A1 (en) 2018-06-28
CN110121300A (zh) 2019-08-13
JP2020501795A (ja) 2020-01-23
US20200090379A1 (en) 2020-03-19
EP3558129B1 (en) 2020-07-29

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