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- Rice UniversityUS49 papers
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7 papers · 1 filter
Solvability for Photoacoustic Imaging with Idealized Piezoelectric Sensors
Sebastian Acosta
Most reconstruction algorithms for photoacoustic imaging assume that the pressure field is measured by ultrasound sensors placed on a detection surface. However, such sensors do no…
Thermoacoustic tomography for an integro-differential wave equation modeling attenuation
Sebastian Acosta, Benjamin Palacios
In this article we study the inverse problem of thermoacoustic tomography (TAT) on a medium with attenuation represented by a time- convolution (or memory) term, and whose consider…
Photoacoustic imaging taking into account thermodynamic attenuation
Sebastian Acosta, Carlos Montalto
In this paper we consider a mathematical model for photoacoustic imaging which takes into account attenuation due to thermodynamic dissipation. The propagation of acoustic (compres…
Multiwave imaging in an enclosure with variable wave speed
Sebastian Acosta, Carlos Montalto
In this paper we consider the mathematical model of thermo- and photo-acoustic tomography for the recovery of the initial condition of a wave field from knowledge of its boundary v…
Source estimation with incoherent waves in random waveguides
Sebastian Acosta, Ricardo Alonso, Liliana Borcea
We study an inverse source problem for the acoustic wave equation in a random waveguide. The goal is to estimate the source of waves from measurements of the acoustic pressure at a…
A control approach to recover the wave speed (conformal factor) from one measurement
Sebastian Acosta
In this paper we consider the problem of recovering the conformal factor in a conformal class of Riemannian metrics from the boundary measurement of one wave field. More precisely,…