Reverberation Clutter Suppression Using 2-D Spatial Coherence Analysis

Rifat Ahmed,Nick Bottenus,James Long,Gregg Trahey

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control（2022）

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摘要

Diffuse reverberation clutter often significantly degrades the visibility of abdominal structures. Reverberation clutter acts as a temporally stationary haze that originates from the multiple scattering within the subcutaneous layers and has a narrow spatial correlation length. We recently presented an adaptive beamforming technique, Lag-one Spatial Coherence Adaptive Normalization (LoSCAN), which...

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关键词

Clutter,Signal to noise ratio,Reverberation,Spatial coherence,Coherence,Correlation,Backscatter

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