Extension of Fourier-Based Techniques for Ultrafast Imaging in Ultrasound With Diverging Waves.
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| Title: | Extension of Fourier-Based Techniques for Ultrafast Imaging in Ultrasound With Diverging Waves. |
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| Authors: | Zhang, Miaomiao1, Varray, Francois1, Besson, Adrien2, Carrillo, Rafael E.2, Viallon, Magalie1, Garcia, Damien3, Thiran, Jean-Philippe2, Friboulet, Denis1, Liebgott, Herve1, Bernard, Olivier1 |
| Source: | IEEE Transactions on Ultrasonics Ferroelectrics & Frequency Control. Dec2016, Vol. 63 Issue 12, p2125-2137. 13p. |
| Subjects: | Ultrasonic imaging, Image reconstruction, Computational complexity, Simulation methods & models, Fourier analysis |
| Abstract: | Ultrafast ultrasound imaging has become an intensive area of research thanks to its capability in reaching high frame rates. In this paper, we propose a scheme that allows the extension of the current Fourier-based techniques derived for planar acquisition to the reconstruction of sectorial scan with wide angle using diverging waves. The flexibility of the proposed formulation was assessed through two different Fourier-based techniques. The performance of the derived approaches was evaluated in terms of resolution and contrast from both simulations and in vitro experiments. The comparisons of the current state-of-the-art method with the conventional delay-and-sum technique illustrated the potential of the derived methods for producing competitive results with lower computational complexity. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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