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When I started my master thesis on ultrasound
contrast agents, I didn't know how fascinating these microbubbles are. But it didn't take
long
to understand that microbubbles can do more than what they were intended to be
used for, i. e. increasing the reflectivity of blood.
Currently, I am a Postdoc at the Institute
of High Frequency Engineering, Ruhr-University
in Bochum, Germany. My Ph.D. Thesis, written in German but with many
equations and images, is available here:
„Konzepte zur Signalverarbeitung für die kontrastmittelspezifische
Ultraschallabbildung“,
„Signal Processing Concepts for Contrast Agent Specific
Ultrasound Imaging“
I have put together a selection of presentations.
Any comments are appreciated.
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I presented this poster at the 5th
Heart Centre Symposium on Ultrasound Contrast Imaging in Rotterdam, where I won the Young
Investigator Award in February 2000.
Poster: Brain
Perfusion Imaging Using Contrast Agent Specific Imaging Modes
(2.1 MB)
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In October 2000, I presented this poster at the
2000 IEEE Ultrasonics Symposium:
Poster: Ultrasonic
Assessment of Perfusion Conditions in the Brain and in the Kidney
(1.52 MB)
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In January 2001, I presented
the following poster at the 6th European Symposium on
Ultrasound Contrast Imaging in Rotterdam:
Optimized Receive Filters and Phase Coded
Sequences for Contrast Agent Imaging
(746 kB)
http://www.eur.nl/fgg/thorax/contrast/
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Also in January 2001, I gave the following presentation
at the 6th
Ultrasound
Contrast Research Symposium in Radiology in San
Diego, and I won the Best
Presentation Award:
PowerPoint
Slide Show: Ultrasonic Assessment of Perfusion Conditions in the Brain and in Soft
Tissue Organs
(3.1 MB)
http://medicine.ucsd.edu/RadResearch/
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In October 2001, the 2001 IEEE
Ultrasonics Symposium took place in Atlanta. There, I presented the paper
Optimized Receive Filters and Phase-Coded Pulse Sequences for Contrast Agent and Nonlinear
Imaging
(927 kB)
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In May 2002, the 7th Meeting of
the European Society of Neurosonology and Cerebral Hemodynamics took place
in Bern, Switzerland. There, I gave the following presentation:
Semi-Quantitative
Ultrasonic Brain Perfusion Imaging: Technical and Theoretical Basis of
Contrast Burst Depletion Imaging (CODIM)
(14.5 MB), this is a .zip-file. It contains a PowerPoint Slide Show, a
movie, and an executable that installs new fonts on your computer, if needed. If you do
not have MathType installed on your computer, the equations in the
presentations are unreadable. In this case you will have to install the
fonts.
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In October 2002, the 2002 IEEE
Ultrasonics Symposium took place in Munich, Germany. There, I presented the
following two papers:
Analysis
of Acoustical Responses of Microbubbles for the Optimization of Phase- and
Amplitude-Coded Pulse Sequences
(712 kB)
Fast,
extended velocity range flow imaging based on nonuniform sampling using
adaptive wall filtering and cross correlation
(910 kB)
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In October 2002, the Ultraschall 2002
(26. Dreiländertreffen) took place
in Basel, Switzerland. There, I gave the following presentation:
Abbildung
der Hirnperfusion (Brain Perfusion Imaging)
(23.7 MB), this is a .zip-file. It contains a PowerPoint Slide Show,
several movies, and an executable that installs new fonts on your computer,
if needed. If you do
not have MathType installed on your computer, the equations in the
presentations are unreadable. In this case you will have to install the
fonts.
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In August 2004, the IEEE
International Ultrasonics, Ferroelectrics, and Frequency Control 50th
Anniversary Joint Conference took place in Montreal, Canada, where I
presented 3 posters. These are the papers:
Velocity and acceleration estimation employing nonuniform sampling.pdf
(1.5 MB)
Optimized filters for dynamic RF echo blending in multiple focal zone
imaging.pdf
(973 kB)
Contrast-enhanced flow imaging with phase-coded pulse sequences.pdf
(223 kB)
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The 2005 IEEE Ultrasonics
Symposium took place in Rotterdam, The Netherlands. There, I gave a talk on
Optimized Contrast Agent Imaging Considering Different Sources of
Nonlinearity.pdf
(746 kB).
I highly recommend the above mentioned
conferences / meetings!
I would like to thank the coauthors who made this
work possible.
Wilko Visitors on this page: 
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