Abstract:Tissue perfusion measurement using C-arm angiography systems capable of CT-like imaging (C-arm CT) is a novel technique with potentially high benefit for catheter-guided treatment of stroke in the interventional suite. New rapid scanning protocols with increased C-arm rotation speed enable fast acquisitions of C-arm CT volumes and allow for sampling the contrast flow with improved temporal resolution. However, the peak contrast attenuation values of brain tissue lie typically in a range of 5-30 HU. Thus perfus… Show more
“…Figure 1. left: annotated regions for infarct core and penumbra, center: ground truth CBF, right: a slice of a CBF map from the base of the skull (reconstructed using FDK-JBF algorithm [4]) which is corrupted by realistic streak artifacts)…”
“…Figure 1. left: annotated regions for infarct core and penumbra, center: ground truth CBF, right: a slice of a CBF map from the base of the skull (reconstructed using FDK-JBF algorithm [4]) which is corrupted by realistic streak artifacts)…”
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