Irregularization accelerates iterative regularization
Sign Up to like & getrecommendations! Published in 2018 at "Calcolo"
DOI: 10.1007/s10092-018-0260-9
Abstract: When iterative methods are employed as regularizers of inverse problems, a main issue is the trade-off between smoothing effects and computation time, related to the convergence rate of iterations. Very often, faster methods obtain less… read more here.
Keywords: irregularization; iterative regularization; penalty; accelerates iterative ... See more keywords
A numerical study of multi-parameter full waveform inversion with iterative regularization using multi-frequency vibroseis data
Sign Up to like & getrecommendations! Published in 2019 at "Computational Geosciences"
DOI: 10.1007/s10596-019-09897-6
Abstract: We study the inverse boundary value problem for time-harmonic elastic waves, for the recovery of P - and S -wave speeds from vibroseis data or the Neumann-to-Dirichlet map. Our study is based on our recent… read more here.
Keywords: full waveform; iterative regularization; vibroseis data; study ... See more keywords
Iterative regularization method in generalized inverse beamforming
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2017.02.044
Abstract: Abstract Beamforming based on microphone array is a method to identify sound sources. It can visualize the sound field of the source plane and reveal interesting acoustic information. Generalized inverse beamforming (GIB) is one important… read more here.
Keywords: iterative regularization; generalized inverse; regularization method; method ... See more keywords
Iterative Regularization Using an Acceleration Technique for Synthetic Aperture Interferometric Radiometer
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"
DOI: 10.1109/jstars.2023.3276698
Abstract: The inverse problem of synthetic aperture interferometric radiometers (SAIRs) aims at retrieving the brightness temperature map from the visibility function samples. To efficiently obtain an accurate solution, an accelerated iterative regularization technique is proposed to… read more here.
Keywords: aperture interferometric; synthetic aperture; acceleration technique; iterative regularization ... See more keywords
A Double Residual Iterative Regularization Method for SAR Image Despeckling
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2023.3261865
Abstract: Synthetic aperture radar (SAR) imaging systems are greatly affected by speckle noise, which brings great difficulties to the postprocessing of SAR images. By characterizing edge and nonlocal self-similarity features simultaneously, this letter proposes a double… read more here.
Keywords: double residual; iterative regularization; regularization method; regularization ... See more keywords
An Iterative Regularization Method based on Tensor Subspace Representation for Hyperspectral Image Super-Resolution
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2022.3176266
Abstract: Hyperspectral image super-resolution (HSI-SR) can be achieved by fusing a paired multispectral image (MSI) and hyperspectral image (HSI), which is a prevalent strategy. But, how to precisely reconstruct the high spatial resolution hyperspectral image (HR-HSI)… read more here.
Keywords: iterative regularization; regularization; tensor subspace; resolution ... See more keywords
Iterative regularization method for an abstract ill-posed generalized elliptic equation
Sign Up to like & getrecommendations! Published in 2020 at "Asian-european Journal of Mathematics"
DOI: 10.1142/s1793557121500698
Abstract: A preconditioning version of the Kozlov–Maz’ya iteration method for the stable identification of missing boundary data is presented for an ill-posed problem governed by generalized elliptic equatio... read more here.
Keywords: generalized elliptic; regularization method; ill posed; iterative regularization ... See more keywords