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Thursday, March 20, 2003
| Math Department Colloquium -- Friday, April 4 |
This sounds like a really interesting talk (especially if you are interested in applications of advanced math in the real world)! Although this talk isn't aimed specifically at students, Dr. Astheimer says that it should be accessible to 3rd and 4th year undergraduates.
Dr. Jeff Astheimer
(a UR Ph.D. graduate)
Aberration Correction in Medical Ultrasonic Imaging
Date:Friday, April 4, 2003
Time:3:30-4:30 PM
Place:Hylan 202
Abstract:
Ultrasonic imaging is an important tool for medical diagnosis. Ultrasound has less risk than X-rays and it images different tissue parameters. However, resolution of ultrasonic images is often severely degraded by aberration caused by transmission through intervening tissues like skin, muscle and the abdominal wall. This talk will describe current research to incorporate aberration into a mathematical model for the imaging process in a way that permits it to be measured and removed. The approach employs spectral estimation and subsequent processing to extract aberration factors that determine the inhomogeneous Green's function for transmission through the aberrating medium. Emphasis will be placed on the pertinent mathematical models and methods rather than engineering or clinical issues.
Posted by Michael P. Knapp on 3/20/03; 9:56:59 AM
from the dept.
Discuss
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