CT image reconstruction with edge-maintaining filtering

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United States of America Patent

PATENT NO 9208586
APP PUB NO 20140169649A1
SERIAL NO

14036203

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Abstract

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A method is disclosed for reconstructing image data of an examination object from measurement data, wherein the measurement data were captured previously during a relative rotational movement between a radiation source of a computed tomography system and the examination object. Filtered measurement data are calculated from the measurement data. First image data are calculated from the measurement data. Edge information is obtained from the first image data, wherein the edge information, depending on position, specifies strength and direction of edges within the first image data. New measurement data are calculated using the edge information by mixing the measurement data and the filtered measurement data and second image data are calculated from the new measurement data.

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Patent Owner(s)

  • SIEMENS HEALTHCARE GMBH

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Raupach, Rainer Heroldsbach, DE 99 773
Stierstorfer, Karl Erlangen, DE 97 881

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