Abstract #300153

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JSM 2002 Abstract #300153
Activity Number: 298
Type: Invited
Date/Time: Wednesday, August 14, 2002 : 10:30 AM to 12:20 PM
Sponsor: Section on Statistical Graphics*
Abstract - #300153
Title: Graphical Approaches for Time Series of Images
Author(s): William Eddy*+
Affiliation(s): Carnegie Mellon University
Address: 132F Baker Hall, Pittsburgh, Pennsylvania, 15213, USA
Keywords:
Abstract:

Currently, functional neuroimaging experiments using magnetic resonance imaging produce sequences of several hundred or more three-dimensional images of size 64 by 64 by 16 or larger. Analysis of such data, like any data, should be proceeded by a visual inspection and exploration of the data set looking for anomalies and other unusual features. Because one of the four dimensions is time, it has become customary to map the time coordinate of the data into the time coordinate of the viewer and simply inspect a "movie" of the data. This approach can overlook many important aspects of the data. Here, I will present a couple of other approaches which may reveal features or unusual aspects of the data which would not be revealed by the standard method.

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Revised March 2002