CREANUIS: a non-linear radiofrequency ultrasound image simulator

Nonlinear ultrasound methods are widely used in clinical applications for tissue or contrast harmonic imaging. Accurate non-linear imaging simulation tools are required in research studies for the development of new methods. However, in existing simulators, the possible inhomogeneity of the coeffici...

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Vydáno v:Ultrasound in medicine & biology Ročník 39; číslo 10; s. 1915
Hlavní autoři: Varray, François, Basset, Olivier, Tortoli, Piero, Cachard, Christian
Médium: Journal Article
Jazyk:angličtina
Vydáno: England 01.10.2013
Témata:
Algorithms
Computer Simulation
Computer-Aided Design
Humans
Image Enhancement - methods
Image Interpretation, Computer-Assisted - methods
Models, Biological
Nonlinear Dynamics
Radio Waves
Reproducibility of Results
Sensitivity and Specificity
Ultrasonography - instrumentation
Ultrasonography - methods
Coefficient of non-linearity
Radiofrequency image simulation
Non-linear propagation
Ultrasound non-linearity
ISSN:1879-291X, 1879-291X
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Popis
Shrnutí:Nonlinear ultrasound methods are widely used in clinical applications for tissue or contrast harmonic imaging. Accurate non-linear imaging simulation tools are required in research studies for the development of new methods. However, in existing simulators, the possible inhomogeneity of the coefficient of non-linearity, which is generally observed in tissue and in particular when contrast agents are involved, has not yet been implemented. This article describes a new ultrasound simulator, called CREANUIS, devoted to the computation of B-mode images where both linear and non-linear propagation in media is considered, with a possible inhomogeneous coefficient of non-linearity. The resulting fundamental images, based on a spatially variant and non-linear point spread function, are in accordance with those obtained through the reference linear FieldII simulator, with computation time reduced by a factor of at least 1.8. Non-linear images of media exhibiting inhomogeneous coefficients of non-linearity are also provided. The simulation software can be freely downloaded from our website.
Bibliografie:ObjectType-Article-1
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ISSN:1879-291X
1879-291X
DOI:10.1016/j.ultrasmedbio.2013.04.005