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Frequency smoothed robust Capon beamformer applied to medical ultrasound imaging

Long, Xian

Description

Recently, adaptive array beamforming has been applied to medical ultrasound imaging and achieved promising performance improvement. However, the current robust Capon beamformer with spatial smoothing (RCB-SS) is implemented in the time domain, which does not fully utilise the large bandwidth of ultrasound signals and spatial smoothing reduces the effective aperture. In this dissertation, we propose a robust Capon beamformer with frequency smoothing (RCB-FS) and compare its performance with...[Show more]

CollectionsOpen Access Theses
Date published: 2014-07
Type: Thesis (MPhil)
URI: http://hdl.handle.net/1885/13799

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