High Volume-Rate 3D Ultrasound Imaging based on Synthetic Aperture Sequential Beamforming with Chirp-Coded Excitation

Jian Zhou, Siyuan Wei, Rungroj Jintamethasawat, Richard Sampson, Oliver D. Kripfgans, J. Brian Fowlkes, Thomas F. Wenisch, Chaitali Chakrabarti

Research output: Contribution to journalArticle

Abstract

Three dimensional (3D) ultrasound imaging is a promising modality for many medical applications. Unfortunately, it generates voluminous data in the front-end, making it unattractive for high volume rate portable medical applications. We apply synthetic aperture sequential beamforming (SASB) to greatly compress the front-end receive data. Baseline 3D SASB has a low volume rate because subapertures fire one by one. In this work, we propose to increase the volume rate of 3D SASB without degrading imaging quality through: (1) transmitting and receiving simultaneously with four subapertures, and (2) using linear chirps as the excitation waveform to reduce interference. We design four linear chirps that operate on two overlapped frequency bands with chirp pairs in each band having opposite chirp rates. Direct implementation of this firing scheme results in grating lobes. So, we design a sparse array that mitigates the grating lobe levels through optimizing the locations of transducer elements in the bin-based random array. Compared to the baseline 3D SASB, the proposed method increases the volume rate from 8.56 to 34.2 volumes per second without increasing the front-end computation requirement. Field-II-based cyst simulations show that the proposed method achieves imaging quality comparable to baseline 3D SASB in both shallow and deep regions.

Original languageEnglish (US)
JournalIEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
DOIs
StateAccepted/In press - May 19 2018

Fingerprint

Synthetic apertures
synthetic apertures
beamforming
Beamforming
chirp
Ultrasonics
Imaging techniques
excitation
Medical applications
lobes
gratings
cysts
Bins
Frequency bands
Transducers
transducers
waveforms
Fires
interference
requirements

Keywords

  • 3D Ultrasound Imaging
  • Chirp Coded Excitation
  • Sparse Array
  • Synthetic Aperture Sequential Beamforming

ASJC Scopus subject areas

  • Instrumentation
  • Acoustics and Ultrasonics
  • Electrical and Electronic Engineering

Cite this

High Volume-Rate 3D Ultrasound Imaging based on Synthetic Aperture Sequential Beamforming with Chirp-Coded Excitation. / Zhou, Jian; Wei, Siyuan; Jintamethasawat, Rungroj; Sampson, Richard; Kripfgans, Oliver D.; Fowlkes, J. Brian; Wenisch, Thomas F.; Chakrabarti, Chaitali.

In: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 19.05.2018.

Research output: Contribution to journalArticle

Zhou, Jian ; Wei, Siyuan ; Jintamethasawat, Rungroj ; Sampson, Richard ; Kripfgans, Oliver D. ; Fowlkes, J. Brian ; Wenisch, Thomas F. ; Chakrabarti, Chaitali. / High Volume-Rate 3D Ultrasound Imaging based on Synthetic Aperture Sequential Beamforming with Chirp-Coded Excitation. In: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 2018.
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