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Characterization and Classification of Sonar Targets Using Ellipsoid Features

Citation Author(s):
Ananya Sen Gupta, Ivars Kirsteins
Submitted by:
Daniel Schupp
Last updated:
23 February 2016 - 1:44pm
Document Type:
Presentation Slides
Document Year:
2015
Event:
Presenters:
Ananya Sen Gupta
 

We present a geometry-inspired characterization of
target response for active sonar that exploits similarity between
intra-class features to distinguish between different targets
against environmental objects such as a rock. Key innovation is to
represent feature manifolds as a set of ellipsoids, each of which
geometrically encompasses a unique physical characteristic of
the target’s response. We have demonstrated over experimental
field data that for a given target class, these feature ellipsoids
exhibit significant clustering behavior that may be exploited to
distinguish the target against other distinct target classes or nontargets
that commonly contribute to environmental clutter.

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