Plane-Wave Ultrasound Beamforming Using a Nonuniform Fast Fourier Transform

被引:59
|
作者
Kruizinga, Pieter [1 ]
Mastik, Frits [1 ]
de Jong, Nico [1 ]
van der Steen, Antonius F. W. [1 ]
van Soest, Gijs [1 ]
机构
[1] Erasmus MC, Ctr Thorax, Rotterdam, Netherlands
关键词
RECONSTRUCTION; TOMOGRAPHY; DOMAIN; ALGORITHM; SPEED;
D O I
10.1109/TUFFC.2012.2509
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
Beamforming of plane-wave ultrasound echo signals in the Fourier domain provides fast and accurate image reconstruction. Conventional implementations perform a k-space interpolation from the uniform sampled grid to a nonuniform acoustic dispersion grid. In this paper, we demonstrate that this step can be replaced by a nonuniform Fourier transform. We study the performance of the nonuniform fast Fourier transform (NUFFT) in terms of signal-to-noise ratio and computational cost, and show that the NUFFT offers an advantage in the trade-off between speed and accuracy, compared with other frequency-domain beamforming strategies.
引用
收藏
页码:2684 / 2691
页数:8
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