Signal analysis of impulse response functions in MR- and CT-measurements of cerebral blood flow

Details Signal analysis of impulse response functions in MR- and CT-measurements of cerebral blood flow Signal analysis of impulse response functions in MR- and CT-measurements of cerebral blood flow

2005-07-28

arxiv.org/abs/q-bio/0507042v1

Biology

Quantitative Biology

Tissues and Organs

15 pages, 6 figures

Scientific paper

The impulse response function (IRF) of a localized bolus in cerebral blood flow codes important information on the tissue type. It is indirectly accessible both from MR- and CT-imaging methods, at least in principle. In practice, however, noise and limited signal resolution render standard deconvolution techniques almost useless. Parametric signal descriptions look more promising, and it is the aim of this contribution to develop some improvements along this line.

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