Time-reversal imaging for wideband underwater target classification

Author

Liu, Hongwei ; Dasgupta, Nilanjan ; Carin, Lawrence

Author_Institution

Dept. of Electr. & Comput. Eng., Duke Univ., Durham, NC, USA

Volume

5

fYear

2003

fDate

6-10 April 2003

Abstract

Time-reversal imaging is addressed for sensing an elastic target situated in an acoustic waveguide. It is demonstrated that the channel parameters associated with a given measurement may be determined via a genetic-algorithm (GA) search in parameter space. Target classification based on time-reversal imagery is considered, with this implemented via a relevance-vector machine.

Keywords

acoustic imaging; acoustic signal processing; acoustic waveguides; feature extraction; genetic algorithms; image classification; learning automata; underwater sound; GA search; acoustic waveguide; channel parameters; elastic target; feature extraction; genetic-algorithm search; relevance-vector machine; time-reversal imaging; wideband underwater target classification; Acoustic imaging; Acoustic scattering; Acoustic signal detection; Acoustic waveguides; Acoustic waves; Signal processing algorithms; Transmission line measurements; Underwater acoustics; Underwater tracking; Wideband;

fLanguage

English

Publisher

ieee

Conference_Titel

Acoustics, Speech, and Signal Processing, 2003. Proceedings. (ICASSP '03). 2003 IEEE International Conference on

ISSN

1520-6149

Print_ISBN

0-7803-7663-3

Type

conf

DOI

10.1109/ICASSP.2003.1199853

Filename

1199853