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Velocity estimation for vector flow imaging (VFI) in ultrasound
专利权人:
Per Haugaard
发明人:
Per Haugaard,Gert Seerup
申请号:
US14865554
公开号:
US09517046B2
申请日:
2015.09.25
申请国别(地区):
US
年份:
2016
代理人:
摘要:
An ultrasound imaging system includes a transducer array, with an array of transducer elements that transmits an ultrasound signal and receives a set of echoes generated in response to the ultrasound signal traversing a flowing structure. The ultrasound imaging system further includes a beamformer that beamforms the set of echoes, generating a beamformed signal. The ultrasound imaging system further includes a pre-processor that performs basebanding, averaging and decimation of the beamformed signal and determines an autocorrelation of the basebanded, averaged and decimated beamformed signal. The ultrasound imaging system further includes a velocity processor that generates an axial velocity component signal and a lateral velocity component signal based on the autocorrelation. The axial and lateral velocity components indicate a direction and a speed of the flowing structure in the field of view.
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