Signal processing for ultrasound imaging
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United States of America Patent
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May 18, 2010
Grant Date -
Jul 7, 2005
app pub date -
Nov 24, 2004
filing date -
Nov 26, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
The visibility of features in ultrasound images that include at least two types of tissue can be improved by processing the images using a variety of algorithms. In one such algorithm, the ratio of power in a first spatial frequency band to power in a second spatial frequency band is computed for a plurality of samples of a received ultrasound return signal that are associated with a given pixel. In another such algorithm, the ratio of power in a first spatial frequency band to total power is computed. With both algorithms, the computed ratio is then mapped to a gain for the given pixel, the raw intensity of the given pixel is modified in accordance with the gain, and the pixel is displayed with the modified intensity.
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