Ultrasound Research: Phase Shift Variance Imaging

In Phase Shift Variance Imaging, by the Department of Medical Engineering of Ruhr-Bochum and the Department of Experimental Molecular Imaging, Medical Faculty, RWTH Aachen University, a novel criterion for microbubble destruction defection that allows uniform back ground suppression is proposed.  The microbubble detection technique presented in the paper is based on the variance of the phase shift of consecutive echoes.  The changes in response to a sequence of identical pulses are recorded and then analyzed.

The technique was first implemented on the freely programmable SonixRP ultrasound system.  A detection series consisting of 20 identical three cycle sine pulses at 9.5MHz was transmitted at a pulse repetition frequency of 5 kHz.

Learn how Sonix Research systems can incorporate tools such as SDK programming, SonixDAQ and SonixGPS at our upcoming courses.  See our course outlines and dates on the Edusonix page.