Intravascular ultrasound imaging with frequency selective imaging methods and systems
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United States of America Patent
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May 19, 2020
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Apr 13, 2017
app pub date -
Oct 8, 2015
filing date -
Oct 8, 2015
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Abstract
Methods and systems for acquiring a plurality of data vectors at a first frequency and a plurality of data vectors at a second frequency, where the first frequency is greater than the second frequency. The plurality of first frequency data vectors can be formed into a first set of data vectors and the plurality of second frequency data vectors can be formed into a second set of data vectors. A first filter can be applied to the first set of data vectors to form a first modified data set and a second filter can be applied to the second set of data vectors to form a second modified data set. Based on the first and second modified data sets, a frequency response of an item in the imaging view can be determined. Using the determined frequency response of the item, an image is created on a display.
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