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All figures (11)
Fig. 11. Photograph of Palmaz-Schatz stent, deployed, 3-D rendered ultrasound of stent, cross sections with 40 dB dynamic range.
Fig. 10. Photograph of Palmaz-Schatz stent, undeployed, 3-D rendered ultrasound of stent, cross sections with 40 dB dynamic range.
Fig. 6. Phantom of three wires.
Fig. 9. Photograph of spring, 3-D rendered ultrasound of spring, cross sections with 40 dB dynamic range.
Fig. 4. Uniformity across ring array, conventional mode: (a) Center frequency; (b) Fractional bandwidth.
Fig. 5. Uniformity across ring array, collapse mode: (a) Center frequency; (b) Fractional bandwidth.
Fig. 3. FFT of filtered pulse-echo response: (a) Conventional; (b) Collapse mode.
Fig. 2. Pulse-echo response: (a) Conventional; (b) Collapse mode;
Fig. 8. Experimental versus simulated line spread functions: (a) Axial LSF, conventional; (b) Axial LSF, collapse mode; (c) Lateral LSF, conventional; (d) Lateral LSF, collapse mode.
Fig. 7. Slices of 3-D volume, 40 dB range: (a) Y-Z plane, conventional; (b) Y-Z plane, collapse mode; (c) X-Z plane, conventional; (d) X-Z plane, collapse mode.
Fig. 1. (a) Ring array wire bonded to electronics; (b) 16-channel transmit/receive circuit; (c) 64-element CMUT ring array.
Proceedings Article
•
DOI
•
3-D ultrasound imaging using forward viewing CMUT ring arrays for intravascular and intracardiac applications
[...]
David T. Yeh
1
,
Omer Oralkan
,
Ira O. Wygant
,
Matthew O'Donnell
,
Butrus T. Khuri-Yakub
- Show less
+1 more
•
Institutions (1)
Stanford University
1
18 Sep 2005
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