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University of Regina Department of Mathematics and Statistics

University of Regina
Department of Mathematics and Statistics
Speaker: Michael Lamoureux (University of Calgary)
Title: Seismic Imaging via Gabor Multipliers
Date: Tuesday, June 1, 2004
Time: 2:30PM
Place: Math & Stats Lounge (CW 307.18)
Seismic images of the earth's subsurface are created by processing
the gigabytes of data recorded from geophones planted on the earth,
which measure the vibrations caused by seismic waves reflected off geo-
logical structures deep under the surface. An accurate image is crucial
to the commercial detection and recovery of hydrocarbons.
Useful seismic images rely on accurate mathematical models of the
propagation and reflection of seismic energy, and accurate numerical
methods to implement and invert the physical model. Typically these
involve linear operators on a Hilbert space. We discuss the use of
pseudodifferential operators to model the physics of wave propagation,
and implementation of robust numerical techniques derived from time-


Source: Argerami, Martin - Department of Mathematics and Statistics, University of Regina


Collections: Mathematics