PhD project title
Beamforming in 3D ultrasound
Presentations
[Posters]
- Hergum, Torbjørn; Bjåstad, Tore; Torp, Hans. Parallel
beamforming using synthetic transmit beams. IEEE UFFC symposium; 23.08.2004
- 27.08.2004 [pdf]
[Oral]
- Tore Bjåstad, Torbjørn Hergum. Rikshospitalet, collaboration
meeting, 18.11.2004 [zipped
ppt]
Publications
[Proceedings]
- Hergum, Torbjørn; Bjåstad, Tore; Torp, Hans. Parallel
beamforming using synthetic transmit beams. 2004 IEEE Ultrasonics symposium
proceedings [pdf]
[Aricles]
- Hergum, Torbjørn; Bjåstad, Tore; Kristoffersen, Kjell;
Torp, Hans. Parallel beamforming using synthetic transmit beams. IEEE
Transactions on Ultrasonics, Ferroelectrics and Frequency Control. (Submitted
for publication)
Other work
- Parallel beams compensation methods, beamprofile comparisions [ppt]
- Seminar on
Ultrasound simulation methods
- Parallel beams (MLA) and lateral decorrelation of point spread function.
- Simultaneous dual transmit focusing with inverted pulses.
- The impact of focusing on signal frequency content (as a function
of depth).
Future work
- Field II implementations of Vingmed 2D array.
- Enabling comparison with experimental data
- Extraction of experimental data from Vingmed 2D array
- Means of recording signal from subappertures/elements
- Offline software processing/beamforming
- 3D phantom imaging
- Second harmonic imaging and parallel beams.
- Simulations and experiments
- Further work on parallel beams (MLA) and lateral decorrelation of
point spread function.
- The impact of parallel beams on speckletracking.
- Multiple transmit foci through coded exitation.
- Further investigations on the impact of focusing on signal frequency
content (as a function of depth).
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