Diffraction Tomography: It's Application in Ultrasound

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Author(s)

Omer M. Gaddoura 1 Mingyue Ding 1

1. School of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China

* Corresponding author.

DOI: https://doi.org/10.5815/ijem.2011.04.02

Received: 26 Mar. 2011 / Revised: 16 Jun. 2011 / Accepted: 22 Jul. 2011 / Published: 29 Aug. 2011

Index Terms

Ultrasound, Diffraction Tomography, Interpolation, B-spline

Abstract

Ultrasound Diffraction Tomography (UDT) is an important alternative to conventional B-mode imaging. Generally, in diffraction tomography, the most universal available computational strategies for reconstructing the object from its projections are interpolation in the frequency domain and interpolation in the space domain. They are analogous to the direct Fourier inversion and backprojection algorithms of straight ray tomography. In this paper two B-spline interpolation functions are introduced. Due to the computational expenses in the space domain interpolation, we apply the interpolation in the frequency domain to implement our new interpolation functions. We also compare our results with filtered backprojection algorithm result. The validity and feasibility of our method was tested using an agar phantom to mimic the human tissue, olive to mimic the cancer, and water to mimic the cyst. The experimental results show that this method has a promising impact in clinical applications.

Cite This Paper

Omer M. Gaddoura,Mingyue Ding,"Diffraction Tomography: It's Application in Ultrasound", IJEM, vol.1, no.4, pp.10-17, 2011. DOI: 10.5815/ijem.2011.04.02 

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