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The Architecture of Specialized GPU Clusters Used for Solving the Inverse Problems of 3D Low-Frequency Ultrasonic Tomography

Conference paper
Part of the Communications in Computer and Information Science book series (CCIS, volume 793)

Abstract

This paper is dedicated to the development of the architecture of specialized GPU clusters that can be used as computing systems in medical ultrasound tomographic facilities that are currently being developed. The inverse problem of ultrasonic tomography is formulated as a coefficient inverse problem for a hyperbolic equation. An approximate solution is constructed using an iterative process of minimizing the residual functional between the measured and simulated wave fields. The algorithms used to solve the inverse problem are optimized for a GPU. The requirements for the architecture of a GPU cluster are formulated. The proposed architecture accelerates the reconstruction of ultrasonic tomographic images by 1000 times compared to what is achieved by a personal computer.

Keywords

Ultrasonic tomography Coefficient inverse problems Finite-difference time-domain (FDTD) method GPU clusters Medical imaging 

Notes

Acknowledgements

This research was supported by Russian Science Foundation (project No. 17–11-01065). The study was carried out at the Lomonosov Moscow State University.

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  1. 1.Lomonosov Moscow State UniversityMoscowRussia

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