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PhD student
Program: Medical Technology
Department: Circulation and Diagnostic Imaging, NTNU
Contact information:
Area of work: 3D
echocardiography, fetal cardiac gating.
Background: M.Sc. in
applied mathematics from NTNU, 1992, worked with sw development for GE
Vingmed Ultrasound from 1994 to 2002.
Ph.D project:
Title: Dynamic 3D ultrasound techniques in quantitative echocardiography
Sub projects:
- 4D fetal echocardiography:
Introducing tissue Doppler gating (TDOG), a new gating
technique in fetal echocardiography, we achieve high-frame-rate 3D
loops
of the fetal heart.
- Sample video clips [3-vessel
view] [Ascending
aorta] [Apical
four-chamber view]
(Uses .wmv format. Right-click on the links
and save the video clips to a local file)
- IEEE-UFFC Ultrasonic Symposium 2002 proceedings article [abstract]
[full
text]
- IEEE-UFFC Ultrasonic Symposium 2002 presentation [MS Powerpoint, movies excluded]
- "Tissue Doppler gated (TDOG) dynamic three-dimensional
ultrasound imaging of the fetal heart", Ultarsound in Obstetrics and
Gynecology, 2004 Aug;24(2):192-8. [abstract]
[full
text]
- Temporal morphing
of ultrasound B-mode and 3D data
utilizing the velocity field.
- IEEE Transactions on Ultrasonics, Ferroelectics and
Frequency Control paper, submitted mars 2005 [abstract] [full
text]
- IEEE-UFFC Ultrasonic Symposium 2004 proceedings article [abstract] [full text]
- IEEE-UFFC Ultrasonic Symposium 2004 presentation [MS Powerpoint]
- Presentation of concept (in norwegian) [MS Powerpoint]
- Stitching of sub volumes
into larger volumes for 3D
ultrasound data, using ECG gating.
- GcMat - GE
Vingmed Ultrasounds matlab interface to raw
ultrasound data.
2004 achievments:
- One paper published in Ultarsound in Obstetrics and
Gynecology (see below). Accepted may 5th.
- One oral presentation with proceedings on UFFC Joint
aniversary conference (see below).
- GcMat maintainence and distribution.
- 7 months with parental leave.
2005 plans:
- Papers to submit:
- Finish Ph.D. thesis at Sept. 10th.
- Continue GcMat distribution (reduce maintainence work ...).
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Papers
S. Brekke and K. Seip, Density
theorems for sampling and interpolation in the Bargmann-Fock space
III Mathematica Scandinavica 73 (1993) 112-126.
S. Brekke, E. Tegnander, H.G. Torp and S.H. Eik-Nes, Tissue Doppler gated (TDOG) dynamic
three-dimensional ultrasound imaging of the fetal heart.
Ultarsound in Obstetrics and
Gynecology, 2004 Aug;24(2):192-8.
[abstract] [full
text]
S. Brekke, C. B. Ingul, S. A. Aase and H. G. Torp, Increasing frame rate in ultrasound
imaging by temporal morphing using tissue Doppler, To be
submitted to IEEE Transactions on Ultrasonics, Ferroelectics and
Frequency Control, mars 2005.
[abstract] [full
text]
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Proceedings
S. Brekke, E. Tegnander, H. G. Torp and S.H. Eik-Nes: Dynamic 3D ultrasound imaging of the fetal
heart, IEEE-UFFC Ultrasonic Symposium 2002, München
[abstract] [full text]
S. Brekke, C. B. Ingul, S. A. Aase, H. G. Torp: Increasing frame rate in ultrasound
imaging by temporal morphing using tissue Doppler: IEEE-UFFC
Joint conference 2004, Montreal
[abstract] [full text]
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Presentations:
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