Cross-correlation detection improves spatial delineation and enables high resolution tracking of temporal events in magnetomotive ultrasound imaging

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Sammanfattning

Magnetomotive ultrasound (MM US) imaging is a method whereby superparamagnetic iron oxide nanoparticles (SPIO NP) are used as a contrast agent. By applying an external magnetic field the particles are set in motion together with their surroundings. The induced movement is detected with ultrasound, and for the case of harmonic excitation of the magnetic source, quadrature detection (lock-in plus phase gating) can recover the magnetomotive signal (doi:10.1109/TUFFC.2013.2591). Here, we propose instead the use of cross-correlation for detection, and report the potential benefits compared to the previous approach.

Originalspråkengelska
Titel på värdpublikation2017 IEEE International Ultrasonics Symposium, IUS 2017
FörlagIEEE Computer Society
ISBN (elektroniskt)9781538633830
DOI
StatusPublished - 2017 okt. 31
Evenemang2017 IEEE International Ultrasonics Symposium, IUS 2017 - Washington, USA
Varaktighet: 2017 sep. 62017 sep. 9

Konferens

Konferens2017 IEEE International Ultrasonics Symposium, IUS 2017
Land/TerritoriumUSA
OrtWashington
Period2017/09/062017/09/09

Ämnesklassifikation (UKÄ)

  • Medicinsk bildbehandling

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