Seafloor identification in sonar imagery via simulations of Helmholtz equations and discrete optimization

DOI10.1016/j.jcp.2017.03.004zbMath1415.76560arXiv1611.00608OpenAlexW2547097750MaRDI QIDQ2424487

Björn Engquist, Christina Frederick, Quyen Huynh, Hao-Min Zhou

Publication date: 24 June 2019

Published in: Journal of Computational Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1611.00608

zbMATH Keywords

wave propagationdiscrete optimizationmultiscale modelinginverse problems in underwater acousticsSONAR imaging

Mathematics Subject Classification ID

Numerical optimization and variational techniques (65K10) Hydrology, hydrography, oceanography (86A05) Inverse problems for PDEs (35R30) Hydro- and aero-acoustics (76Q05) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05)

Uses Software

• COMSOL
• OASES

Cites Work

• Unnamed Item
• Discovery of point sources in the Helmholtz equation posed in unknown domains with obstacles
• High-resolution sonars: what resolution do we need for target recognition?
• Automatic target recognition in synthetic aperture sonar images based on geometrical feature extraction
• Numerical microlocal analysis of harmonic wavefields
• Computational Ocean Acoustics
• A theory for multiresolution signal decomposition: the wavelet representation
• Solution of a boundary value problem for the Helmholtz equation via variation of the boundary into the complex domain
• Finite Element Approximation of Time Harmonic Waves in Periodic Structures
• Near-Field Imaging of Infinite Rough Surfaces
• Inverse medium scattering for the Helmholtz equation at fixed frequency