Displacement measurement method and apparatus, and ultrasonic diagnostic apparatus
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United States of America Patent
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Jun 12, 2018
Issued Date -
N/A
app pub date -
Jan 7, 2015
filing date -
Sep 10, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An accurate real-time measurement of a displacement vector is achieved on the basis of the proper beamforming that require a short time for obtaining one echo data frame without suffering affections by a tissue motion. The displacement measurement method includes the steps of: (a) yielding ultrasound echo data frames by scanning an object laterally or elevationally using an ultrasound beam steered electrically and/or mechanically with a single steering angle over an arbitrary three-dimensional orthogonal coordinate system involving existence of three axes of a depth direction, a lateral direction, and an elevational direction; and (b) calculating a displacement vector distribution by implementing a block matching on the predetermined ultrasound echo data frames yielded at more than two phases.
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Patent Citation Ranking
- 1 Citation Count
- G06T Class
- 22.86 % this patent is cited more than
- 7 Age
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