Method and apparatus for reducing noise artifacts in a diagnostic image
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United States of America Patent
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Feb 24, 2004
Grant Date -
N/A
app pub date -
Nov 9, 2000
filing date -
Nov 9, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A The medical diagnostic imaging apparatus includes a source (12) for generating x-rays, an image receptor (26) for receiving the x-rays and generating image data, and an image processing subsystem (6) for generating corrected image data from the image data acquired by the image receptor. The image processing subsystem includes a processor (46) that is programmed to generate noise image data (54) by high-pass filtering (52) uncorrected diagnostic image data acquired by the image receptor, to determine statistical data (64, 66) from a first subset (56) of the noise image data, and to correct a subset (36) of the uncorrected diagnostic image data based on the statistical data, the subset of the uncorrected diagnostic image data corresponding to the subset of the noise image data.
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