System for reducing speckle in full motion ultrasound image data by filtering across physiologic cycles
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United States of America Patent
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Jul 11, 2000
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N/A
app pub date -
Mar 4, 1999
filing date -
Jun 24, 1998
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Abstract
Speckle is reduced in full motion ultrasound image data representing anatomic structures which have periodic physiological motion. Echoes produced from transmission of ultrasound energy into a subject's body are processed by an image frame acquisition device to produce a series of image frames for each physiologic cycle. Each image frame comprises data representing an image of a portion of the subject's body at a given time within the cycle. Successive image frames obtained at the same point in time within each physiologic cycle are filtered. The filtering is applied to each image frame within the entire current physiologic cycle, thereby deriving full motion speckle-reduced image data.
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