Geodesic
One dimensional inverse problem in photoacoustic. Numerical testing
Zapiski Nauchnykh Seminarov POMI, Mathematical problems in the theory of wave propagation. Part 48, Tome 471 (2018), pp. 140-149

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We consider the problem of reconstruction of Cauchy data for the wave equation in $\mathbb R^1$ by the measurements of its solution on the boundary of the finite interval. This is a one-dimensional model for the multidimensional problem of photoacoustics, which was studied in [2]. We adapt and simplify the method for one-dimensional situation and provide the results on numerical testing to see the rate of convergence and stability of the procedure. We also give some hints on how the procedure of reconstruction can be simplified in 2d and 3d cases. 
@article{ZNSL_2018_471_a9,
     author = {D. Langemann and A. S. Mikhaylov and V. S. Mikhaylov},
     title = {One dimensional inverse problem in photoacoustic. {Numerical} testing},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {140--149},
     publisher = {mathdoc},
     volume = {471},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2018_471_a9/}
}
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D. Langemann; A. S. Mikhaylov; V. S. Mikhaylov. One dimensional inverse problem in photoacoustic. Numerical testing. Zapiski Nauchnykh Seminarov POMI, Mathematical problems in the theory of wave propagation. Part 48, Tome 471 (2018), pp. 140-149. http://geodesic.mathdoc.fr/item/ZNSL_2018_471_a9/