Clutter filtering of angular domain data for contrast-free ultrafast microvascular imaging
Liyuan Jiang,
Hanbing Chu,
Jianjun Yu
et al.
Abstract:Objective. Contrast-free microvascular imaging is clinically valuable for the assessment of physiological status and the early diagnosis of diseases. Effective clutter filtering is essential for microvascular visualization without contrast enhancement. Singular value decomposition (SVD)-based spatiotemporal filter has been widely used to suppress clutter. However, clinical real-time imaging relies on short ensembles (dozens of frames), which limits the implementation of SVD filtering due to the large error of … Show more
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