Edmundo Pozo

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Typical ultrasound image beamforming is based on delay and sum of received echoes. Sound speed inhomogeneity, phase aberration and acoustic clutter induce errors in the beamformed signals. Therefore, coherence-based techniques such as Generalized Coherence Factor (GCF) and Short-lag Spatial Coherence (SLSC) have been developed to reduce these errors. GCF(More)
Ultrasound attenuation is typically compensated for in clinical scanners by using time gain compensation (TGC). However, TGC operates in a frequency-independent fashion and therefore the spatial resolution of the echographic images degrades as the examination depth increases. In the current study, the capability of a multi-band attenuation compensation(More)
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