Resolution and contrast enhancement of synthetic aperture ultrasound imaging using dual stage beamforming

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farid soltani saman; MOHAMMADZADEH ASL BABAK

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Journal: JOURNAL OF ACOUSTICAL ENGINEERING SOCIETY OF IRAN Year:2017 | Volume:4 | Issue:2 Page(s): 29-39

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Title

Resolution and contrast enhancement of synthetic aperture ultrasound imaging using dual stage beamforming

Author(s)

farid soltani saman | MOHAMMADZADEH ASL BABAK | Issue Writer Certificate

Keywords

Ultrasound imaging

Synthetic aperture

Dynamic receive focusing method

Sequential beamforming

Abstract

In this paper, a two stage Synthetic aperture Sequential beamforming (SASB) is presented to abtain better lateral resolution besides more range independent lateral resolution and contrast enhancement compared to dynamic receive focusing (DRF) method. Proposed two stage beamforming includes two sequential beamformers. First, a set of B-mode image lines using a single focal point in both transmit and receive are stored. The second stage uses the focused image lines from the first stage as input data, so a high resolution image will be obtained. Obtained results show for the lateral resolution (in terms of FWHM) there is improvement of almost a factor of 2. 5 (dB 6) compared to DRF method. The proposed method on average improves 5 dB and 60% in contrast ratio (CR) and contrast to noise ratio (CNR) compared to DRF method, respectively. Also, the SASB image for the simulated phantom clearly shows the 2 mm diameter cyst which is not detectable in the DRF image.

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APA: Copy

farid soltani, saman, & MOHAMMADZADEH ASL, BABAK. (2017). Resolution and contrast enhancement of synthetic aperture ultrasound imaging using dual stage beamforming. JOURNAL OF ACOUSTICAL ENGINEERING SOCIETY OF IRAN, 4(2 ), 29-39. SID. https://sid.ir/paper/268691/en

Vancouver: Copy

farid soltani saman, MOHAMMADZADEH ASL BABAK. Resolution and contrast enhancement of synthetic aperture ultrasound imaging using dual stage beamforming. JOURNAL OF ACOUSTICAL ENGINEERING SOCIETY OF IRAN[Internet]. 2017;4(2 ):29-39. Available from: https://sid.ir/paper/268691/en

IEEE: Copy

saman farid soltani, and BABAK MOHAMMADZADEH ASL, “Resolution and contrast enhancement of synthetic aperture ultrasound imaging using dual stage beamforming,” JOURNAL OF ACOUSTICAL ENGINEERING SOCIETY OF IRAN, vol. 4, no. 2 , pp. 29–39, 2017, [Online]. Available: https://sid.ir/paper/268691/en

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