[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Jarry et al., 2006 - Google Patents

Characterization of scattered radiation in kV CBCT images using Monte Carlo simulations

Jarry et al., 2006

View HTML
Document ID
13692888639259581998
Author
Jarry G
Graham S
Moseley D
Jaffray D
Siewerdsen J
Verhaegen F
Publication year
Publication venue
Medical physics

External Links

Snippet

Kilovoltage (kV) cone beam computed tomography (CBCT) images suffer from a substantial scatter contribution. In this study, Monte Carlo (MC) simulations are used to evaluate the scattered radiation present in projection images. These predicted scatter distributions are …
Continue reading at www.osti.gov (HTML) (other versions)

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computerised tomographs
    • A61B6/032—Transmission computed tomography [CT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/48—Diagnostic techniques
    • A61B6/482—Diagnostic techniques involving multiple energy imaging
    • 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 not covered by G01N21/00 or G01N22/00, e.g. X-rays or neutrons
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation not covered by G01N21/00 or G01N22/00, e.g. X-rays or neutrons by transmitting the radiation through the material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/58—Testing, adjusting or calibrating devices for radiation diagnosis
    • A61B6/582—Calibration
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/42—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4291—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis the detector being combined with a grid or grating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/42—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4208—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
    • A61B6/4241—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with 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
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00—Arrangements for handling particles or ionizing radiation, e.g. focusing or moderating
    • G21K1/02—Arrangements for handling particles or ionizing radiation, e.g. focusing or moderating using diaphragms, collimators
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/40—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis

Similar Documents

Publication Publication Date Title
Jarry et al. Characterization of scattered radiation in kV CBCT images using Monte Carlo simulations
Saito Potential of dual‐energy subtraction for converting CT numbers to electron density based on a single linear relationship
Wang et al. Acuros CTS: A fast, linear Boltzmann transport equation solver for computed tomography scatter–Part II: System modeling, scatter correction, and optimization
Graham et al. Compensators for dose and scatter management in cone‐beam computed tomography
Almeida et al. Dual‐energy CT quantitative imaging: a comparison study between twin‐beam and dual‐source CT scanners
Mail et al. The influence of bowtie filtration on cone‐beam CT image quality
Zhu et al. Scatter correction for cone‐beam CT in radiation therapy
Schulte et al. Density resolution of proton computed tomography
Tzedakis et al. The effect of overscanning on patient effective dose from multidetector helical computed tomography examinations
Li et al. Patient‐specific radiation dose and cancer risk estimation in CT: part I. Development and validation of a Monte Carlo program
Sechopoulos et al. Scatter radiation in digital tomosynthesis of the breast
Åslund et al. Scatter rejection in multislit digital mammography
Kim et al. Computed tomography dose index and dose length product for cone‐beam CT: Monte Carlo simulations of a commercial system
Szczykutowicz et al. Design of a digital beam attenuation system for computed tomography: Part I. System design and simulation framework
Mainprize et al. Resolution at oblique incidence angles of a flat panel imager for breast tomosynthesis
Granton et al. A combined dose calculation and verification method for a small animal precision irradiator based on onboard imaging
Bootsma et al. The effects of compensator and imaging geometry on the distribution of x‐ray scatter in CBCT
Martínez‐Rovira et al. Monte Carlo‐based treatment planning system calculation engine for microbeam radiation therapy
Saunders Jr et al. The effect of breast compression on mass conspicuity in digital mammography
Mettivier et al. Cone‐beam breast computed tomography with a displaced flat panel detector array
Li et al. Implementation of dual‐energy technique for virtual monochromatic and linearly mixed CBCTs
Vedantham et al. Dedicated breast CT: Radiation dose for circle‐plus‐line trajectory
Maltz et al. Focused beam‐stop array for the measurement of scatter in megavoltage portal and cone beam CT imaging
Watson et al. Implementation of an efficient Monte Carlo calculation for CBCT scatter correction: phantom study
Chen et al. Optimization of the geometry and speed of a moving blocker system for cone‐beam computed tomography scatter correction