Vessel enhancement filtering in three‐dimensional MR angiograms using long‐range signal correlation
- 1 March 1997
- journal article
- research article
- Published by Wiley in Journal of Magnetic Resonance Imaging
- Vol. 7 (2), 447-450
- https://doi.org/10.1002/jmri.1880070234
Abstract
Small vessels in three-dimensional MR angiograms have low visibility in maximum-intensity projection images because of their low contrast. In a previous study, we had two nonlinear filters that appeared to give significant improvement in small vessel detail. In this paper, we report on a generalization of this filter that allows a more general modeling of the vessels and a more complete suppression of background. One implementation of the general filter gave a vessel mean contrast-to-noise ratio that is 2.52 and 3.51 times higher than the vessel mean contrast-to-noise ratio obtained using our previously reported maximum-minimum (max-min) filter and cross- section filter, respectively.This publication has 15 references indexed in Scilit:
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