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Signal Processing Methods for Quantitative Power Doppler Microvascular Angiography

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Figure

Figure 1-3: Illustration of hypothetical Doppler signal frequency spectrum. A high-pass filter, the wall/clutter filter, is used to suppress the high-energy, low-frequency clutter in the Doppler signal
Figure 1-4: Sample Doppler color flow images of human right kidney using (a) color Doppler display mode showing only large vessels and (b) power Doppler mode with higher sensitivity showing the full cortical perfusion network [Downloaded from Power Doppler
Figure 1-5: An example of a commercial power Doppler system (Vevo2100,
Figure 1-6: Blooming artifact in a power Doppler image. Color “bleeds” (marked by white arrows) outside vessel boundaries (dashed green line) produced by manually segmenting vessels from B-mode image (lower image)
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