Segmentation of stationary and vascular surfaces in magnetic resonance imaging
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United States of America Patent
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Apr 20, 1993
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N/A
app pub date -
Dec 20, 1990
filing date -
Dec 20, 1990
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Expired
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Abstract
A three dimensional image of a human brain or other body structure is constructed using a single flow sensitive data array and a flow insensitive data array to generate the contrasts necessary to differentiate among stationary tissues and also between stationary tissues and flowing blood. A plurality of data points from this combined image data are identified to tissue types and used to segregate the remaining data by using a nearest neighbor process in which each data value takes the tissue type of its nearest neighbor data point.
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