site stats

Dictionary learning of sound speed profiles

WebMar 1, 2024 · The sound speed profile can be expressed as an expansion of the empirical orthogonal function for the sound speed variation. Bianco and Gerstoft (2024) developed a dictionary through a... WebThe water depth is 160 m. Sound speed, density, and attenuation are 1800 m/s, 2.0 g/cm 3 , and 0.1 dB/λ, respectively. ... from publication: Compressive Sound Speed Profile Inversion Using ...

[1609.04840] Dictionary learning of sound speed profiles

WebSep 15, 2016 · In this paper, it is shown that dictionary learning, a form of unsupervised machine learning, can improve SSP resolution by generating a dictionary of shape functions for sparse processing (e.g. compressive sensing) that optimally compress SSPs; both minimizing the reconstruction error and the number of coefficients. WebThe sound speed is a key parameter that affects the underwater acoustic positioning and navigation. Aiming at the high-precision construction of sound speed field (SSF) in the complex... iowa great treasure hunt.gov https://skdesignconsultant.com

Dictionary learning of sound speed profiles

WebMay 1, 2024 · Theoretically, the Super-Resolution (SR) reconstruction scheme is a method which is performed by many applications nowadays for the purpose of generating a High-Resolution (HR) image using the... WebAug 4, 2024 · Sound speed profile reconstruction using the dictionary learning (Bianco and Gerstoft, 2024). Seabed substrate maps including bathymetry, backscatter strength, and machine learning and... WebJun 29, 2024 · Speed of sound Signal processing Birds Partial differential equations Microphone array ABSTRACT Compressive sensing (CS) in acoustics has received significant attention in the last decade, and thus motivates this special issue. CS emerged from the signal processing and applied math community and has since generated … iowa greyhound stations

On the representation of wavefronts localized in space-time and ...

Category:A sparse dictionary learning-based denoising method for …

Tags:Dictionary learning of sound speed profiles

Dictionary learning of sound speed profiles

Dictionary learning of sound speed profiles - PubMed

WebDictionary learning of sound speed profiles. Article. Full-text available. Sep 2016; Michael J. Bianco. Peter Gerstoft. To provide constraints on their inversion, ocean sound speed profiles (SSPs ...

Dictionary learning of sound speed profiles

Did you know?

WebSep 15, 2016 · In this paper, it is shown that dictionary learning, a form of unsupervised machine learning, can improve SSP resolution by generating a dictionary of shape functions for sparse processing (e.g. compressive sensing) that optimally … WebSep 1, 2024 · In this paper, we mainly focus on the complete dictionary and propose a low-frequency underwater acoustic signal denoising method based on dictionary learning. We use the training dictionary rather than the fixed dictionary to represent the signal sparsely, without prior information on the signal.

WebMar 1, 2024 · The sound speed profile can be expressed as an expansion of the empirical orthogonal function for the sound speed variation. Bianco and Gerstoft (2024) … WebAbstract: A range-dependent dictionary learning method is proposed to retrieve the sound-speed profile (SSP) in a water body, with the whole computational domain …

WebSep 15, 2016 · Dictionary learning of sound speed profiles September 2016 The Journal of the Acoustical Society of America140(4) … WebJan 19, 2024 · Empirical orthogonal functions (EOFs) are regularly employed to model and represent SSPs using a linear combination of basis functions that capture the sound …

WebFeb 1, 2024 · A range‐dependent dictionary learning method is proposed to retrieve the sound‐speed profile (SSP) in a water body, with the whole computational domain decomposed into multiple...

WebFeb 1, 2024 · In particular, two kinds of SSP uncertainties are considered: measurement errors, which generally exist in the form of Gaussian noises; and the disturbances/anomalies caused by potential ocean... opel crossland business editionWebOct 17, 2024 · Download Citation On Oct 17, 2024, Sijia Sun and others published Sparse Representation of Sound Speed Profiles Based on Dictionary Learning Find, read and cite all the research you need on ... iowa greyhound liveWebMar 1, 2024 · Europe PMC is an archive of life sciences journal literature. opel crossland fiyat listesiWebJan 6, 2024 · A range-dependent dictionary learning method is proposed to retrieve the sound-speed profile (SSP) in a water body, with the whole computational domain … opel crossland hybrideWebMar 1, 2016 · Ocean acoustic sound speed profile (SSP) estimation requires the inversion of acoustic fields using limited observations. Compressive sensing (CS) asserts that certain underdetermined... iowa grocery industry association escannerWebDictionary learning of sound speed profiles. Michael Bianco and Peter Gerstoft. 13 March 2024 The Journal of the Acoustical Society of America, Vol. 141, No. 3. Inverse Methods in Underwater Acoustics. N.R. Chapman. 1 Jan 2024. Compressive acoustic sound speed profile estimation. opel crossland fiyatWebMar 1, 2024 · Dictionary learning of sound speed profiles. Michael Bianco Scripps Institution of Oceanography, University of California San Diego, La Jolla, California … iowa greyhound park results