Publications [#339062] of Lawrence Carin

Papers Published

1. Runkle, P; Carin, L; Couchman, L; Bucaro, JA; Yoder, TJ, Multi-aspect acoustic identification of submerged elastic targets via wave-based matching pursuits and continuous hidden Markov models, Proceedings of SPIE - The International Society for Optical Engineering, vol. 3718 (January, 1999), pp. 459-467, SPIE, Orlando, FL, USA [12.359982], [doi]
   (last updated on 2024/12/31)

   Abstract:
   A wave-based matching-pursuits algorithm is used to parse multi-aspect time-domain backscattering data into its underlying wavefront-resonance constituents, or features. Consequently, the N multi-aspect waveforms under test are mapped into N feature vectors, yn. Target identification is effected by fusing these N vectors in a maximum-likelihood sense, which we show, under reasonable assumptions, can be implemented via a hidden Markov model (HMM). In this paper, we utilize a continuous-HM paradigm, and compare its performance to its discrete counterpart. Algorithm performance is assessed by considering measured acoustic scattering data from five similar submerged elastic targets.

   Keywords:
   Acoustic imaging;Acoustic wave scattering;Algorithms;Mathematical models;Markov processes;Time domain analysis;Maximum likelihood estimation;Vectors;