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CLUTTER SUPPRESSION IN ULTRASONIC IMAGING SYSTEMS
专利权人:
发明人:
GIL ZWIRN
申请号:
US15555970
公开号:
US20180038947A1
申请日:
2016.03.07
申请国别(地区):
US
年份:
2018
代理人:
摘要:
Methods of ultrasound imaging, some of which comprise: generating one or more transmit beams, wherein the boresight of each of the transmit beams points to a direction associated with a target region generating one or more receive beams using a probe (26) comprising a transducer array (30) for each receive beam or group of receive beams, sampling the received signal one or more times, wherein each sample is associated with a certain volume within the target region (“volume-gate”), and wherein multiple space-dependent samples are taken over the probe for each volume-gate and processing the space-dependent samples, said processing comprising: applying beamforming sample alignment such that each space-dependent sample associated with a volume-gate is aligned for each aligned volume-gate, computing one or more clutter suppression features, wherein a clutter suppression feature is dependent on the signal variability of the space-dependent samples for each aligned volume-gate, computing a metric value wherein the metric value depends on values of one or more of the one or more clutter suppression features for the aligned volume-gate, and performing a beamforming summation step in accordance with the metric value.
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