Ultrasound Imaging System and Method for Representing RF Signals Therein

Colas Schretter (Inventor), Shaun Bundervoet (Inventor), Ann Dooms (Inventor), Peter Schelkens (Inventor)

Research output: Patent

Abstract

The present invention relates to a method for determining a representation of multichannel radio-5 frequency, RF, signals acquired from a physical environment, which comprises a transmitter comprising one or more transmitting elements for emitting ultrasound excitation pressure waves, a propagation medium containing non-uniformities reflecting the pressure waves and a receiver comprising one or more elements for recording the multichannel RF signals from the reflected pressure waves. The method comprises determining a set of basis functions for representing the received reflected signals by deriving a model, whereby deriving said model comprises
- modelling the transmitter as one or more transmitting elements and the receiver as one or more receiving elements,
- modelling the propagation medium bounded by said transmitter and said receiver,
- modelling individual responses of the non-uniformities to said excitation pressure waves, * deriving the set of basis functions from said individual responses by simulating response to excitation of the non-uniformities in the propagation medium,
- determining a representation of the recorded multichannel RF signals using the set of basis functions obtained with the model.
Original languageEnglish
Patent numberEP3289379 (A1)
IPCPCT/EP2016/058992
Publication statusAccepted/In press - 22 Apr 2016

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