Abstract
The paper is devoted to numerical research of the medical ultrasound tomography problem. This problem consists in finding small inclusions in the breast tissue by boundary measurements of the acoustic waves generated by sources located on the boundary. For medical diagnostic, it is important to recover the image of the acoustical medium and to determine the values of velocity, attenuation and density. In the paper, we describe a numerical experiment of visualization of several inclusions using the energy version of the reverse time migration (RTM). Certainly, the RTM image does not separate velocity and attenuation inclusions. However, kinematic and amplitude analysis gives a possibility to estimate values of the velocity and attenuation. As a result, we split the RTM image into two ones. Note that in this paper we consider the scalar value of sound velocity.
Funding source: Russian Science Foundation
Award Identifier / Grant number: 16-11-10027
Funding statement: This work is supported by the Russian Science Foundation under grant 16-11-10027.
References
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© 2021 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Foreword to the Special Issue “Inverse Problems and Nonlinear Phenomena”
- Convexity properties of the normalized Steklov zeta function of a planar domain
- On the EIT problem for nonorientable surfaces
- A hypersurface containing the support of a Radon transform must be an ellipsoid. II: The general case
- Algorithms for solving scattering problems for the Manakov model of nonlinear Schrödinger equations
- Decentralized and parallel primal and dual accelerated methods for stochastic convex programming problems
- Possibilities for separation of scalar and vector characteristics of acoustic scatterer in tomographic polychromatic regime
- Stability estimates for reconstruction from the Fourier transform on the ball
- A geometric based preprocessing for weighted ray transforms with applications in SPECT
- Detection of velocity and attenuation inclusions in the medical ultrasound tomography
- Inverse extremum problem for a model of endovenous laser ablation
Artikel in diesem Heft
- Frontmatter
- Foreword to the Special Issue “Inverse Problems and Nonlinear Phenomena”
- Convexity properties of the normalized Steklov zeta function of a planar domain
- On the EIT problem for nonorientable surfaces
- A hypersurface containing the support of a Radon transform must be an ellipsoid. II: The general case
- Algorithms for solving scattering problems for the Manakov model of nonlinear Schrödinger equations
- Decentralized and parallel primal and dual accelerated methods for stochastic convex programming problems
- Possibilities for separation of scalar and vector characteristics of acoustic scatterer in tomographic polychromatic regime
- Stability estimates for reconstruction from the Fourier transform on the ball
- A geometric based preprocessing for weighted ray transforms with applications in SPECT
- Detection of velocity and attenuation inclusions in the medical ultrasound tomography
- Inverse extremum problem for a model of endovenous laser ablation