TY - GEN
T1 - A real-time synthetic aperture beamformer for medical ultrasound imaging
AU - Park, Jong Ho
AU - Yoon, Changhan
AU - Chang, Jin Ho
AU - Yoo, Yangmo
AU - Song, Tai Kyung
PY - 2010
Y1 - 2010
N2 - Synthetic aperture (SA) imaging techniques have drawn many attentions sincethey are capable of providing improved spatial resolution over conventionalreceive dynamic focusing (CRDF) methods. However, the processing of SA imagingis computationally demanding for real-time processing. Furthermore, massivememories for storing the pre-beamformed radio frequency (RF) data are required,leading to substantial increase in hardware complexity. In this paper, wepropose the efficient real-time SA beamformer architecture that could beintegrated in modern ultrasound imaging systems. The feasibility of the proposedarchitecture was demonstrated by implementing a 64-channel SA beamformer on twohigh-performance field programmable gate arrays (FPGAs, Virtex-5 SX95T, Xilinx,USA). The developed SA beamformer can support up to 12 synthesis beams byutilizing 61% of slice registers, 43% of lookup tables (LUTs), 89% of randomaccess memories (RAMs) and 51% of digital signal processing (DSP) blocks in eachFPGA.
AB - Synthetic aperture (SA) imaging techniques have drawn many attentions sincethey are capable of providing improved spatial resolution over conventionalreceive dynamic focusing (CRDF) methods. However, the processing of SA imagingis computationally demanding for real-time processing. Furthermore, massivememories for storing the pre-beamformed radio frequency (RF) data are required,leading to substantial increase in hardware complexity. In this paper, wepropose the efficient real-time SA beamformer architecture that could beintegrated in modern ultrasound imaging systems. The feasibility of the proposedarchitecture was demonstrated by implementing a 64-channel SA beamformer on twohigh-performance field programmable gate arrays (FPGAs, Virtex-5 SX95T, Xilinx,USA). The developed SA beamformer can support up to 12 synthesis beams byutilizing 61% of slice registers, 43% of lookup tables (LUTs), 89% of randomaccess memories (RAMs) and 51% of digital signal processing (DSP) blocks in eachFPGA.
KW - Synthetic aperture beamformer
KW - dynamic receive focusing
KW - field programmablegate array
UR - http://www.scopus.com/inward/record.url?scp=80054056120&partnerID=8YFLogxK
U2 - 10.1109/ULTSYM.2010.5935734
DO - 10.1109/ULTSYM.2010.5935734
M3 - Conference contribution
AN - SCOPUS:80054056120
SN - 9781457703829
T3 - Proceedings - IEEE Ultrasonics Symposium
SP - 1992
EP - 1995
BT - 2010 IEEE International Ultrasonics Symposium, IUS 2010
T2 - 2010 IEEE International Ultrasonics Symposium, IUS 2010
Y2 - 11 October 2010 through 14 October 2010
ER -