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ADAPTIVE RINGDOWN SUBTRACTION FOR CORONARY AND PERIPHERAL INTRAVASCULAR ULTRASOUND (IVUS)
专利权人:
KONINKLIJKE PHILIPS N.V.
发明人:
Andrew HANCOCK,Jinhyoung PARK
申请号:
US16349789
公开号:
US20190362474A1
申请日:
2017.11.15
申请国别(地区):
US
年份:
2019
代理人:
摘要:
Ultrasound imaging devices, systems, and methods are provided. In one embodiment, a method of reducing ringdown artifacts in an ultrasound imaging system includes obtaining a plurality of frames of samples including tissue information and a ringdown component; determining a reference frame based on the plurality of frames to approximate the ringdown component; subtracting the reference frame from a current frame of the plurality of frames to produce a difference frame; selecting between the current frame and the difference frame to obtain a ringdown-reduced frame to represent the tissue information; and forming an ultrasound image from the ringdown-reduced frame. In one embodiment, an ultrasound image processing system including a processing unit configured to compute a difference frame based on a current frame and a reference frame; and select between the current frame and the difference frame to obtain a ringdown-reduced frame to represent the tissue information.
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中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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