Abstract
The pulse inversion (PI) technique can be utilized
to separate and enhance harmonic components of a waveform
for tissue harmonic imaging. While most ultrasound systems
can perform pulse inversion, only few image the 3rd harmonic
component. PI pulse subtraction can isolate and enhance the
3rd harmonic component for imaging on any ultrasound system
capable of PI. PI was used to perform 3rd harmonic Bmode
scans of a water-filled wire phantom on an experimental
ultrasound system. The 3rd harmonic scans were compared to
fundamental and 2nd harmonic scans on the same system. The
3rd harmonic image showed a 46% improvement in the lateral
FWHM resolution compared to fundamental B-mode imaging
at 75 mm depth and a 28% improvement compared to 2nd
harmonic B-mode imaging. The axial FWHM resolution was
improved by 35% and 30% for 3rd harmonic imaging compared
to fundamental and 2nd harmonic imaging respectively. The
improvements in spatial resolution and the fact that PI can isolate
the 3rd harmonic suggest that it is advantageous to implement
3rd harmonic imaging on ultrasound systems capable of PI.
| Original language | English |
|---|---|
| Title of host publication | Proceedings of IEEE International Ultrasonics Symposium 2011 |
| Number of pages | 4 |
| Publisher | IEEE |
| Publication date | 2011 |
| Pages | 2269-2272 |
| ISBN (Print) | 978-1-4577-1251-7 |
| DOIs | |
| Publication status | Published - 2011 |
| Event | 2011 IEEE International Ultrasonics Symposium - Caribe Royale, Orlando, United States Duration: 18 Oct 2011 → 21 Oct 2011 http://ewh.ieee.org/conf/ius_2011/ https://ieeexplore.ieee.org/xpl/conhome/6269152/proceeding |
Conference
| Conference | 2011 IEEE International Ultrasonics Symposium |
|---|---|
| Location | Caribe Royale |
| Country/Territory | United States |
| City | Orlando |
| Period | 18/10/2011 → 21/10/2011 |
| Internet address |
Keywords
- Third Harmonic Imaging
- Pulse Inversion
- Tissue Harmonic Imaging
- Convex Transducer