Výsledky vyhľadávania - "THRESHOLDING algorithms"

L1/2 regularization: a thresholding representation theory and a fast solver Autor Xu, Zongben, Chang, Xiangyu, Xu, Fengmin, Zhang, Hai

“…The special importance of L1/2 regularization has been recognized in recent studies on sparse modeling (particularly on compressed sensing). The L1/2…”
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Message-passing algorithms for compressed sensing Autor Donoho, David L, Maleki, Arian, Montanari, Andrea

“…Compressed sensing aims to undersample certain high-dimensional signals yet accurately reconstruct them by exploiting signal characteristics. Accurate…”
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Hierarchical isometry properties of hierarchical measurements Autor Flinth, Axel, Groß, Benedikt, Roth, Ingo, Eisert, Jens, Wunder, Gerhard

“…Compressed sensing studies linear recovery problems under structure assumptions. We introduce a new class of measurement operators, coined hierarchical…”
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A Reduced Half Thresholding Algorithm Autor Liang, Xiubo, Wang, Guoqiang, Yu, Bo

“…In this paper, a reduced half thresholding algorithm and its accelerated version, a reduced fast half thresholding algorithm, are proposed for solving…”
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Comparative Studies of Reconstruction Algorithms for Sparse-View Photoacoustic Tomography Autor Liu, Xueyan, Dai, Shuo, Wang, Xin, Wang, Mengyu

“…Inverse source reconstruction is one of the most challenging problems in photoacoustic tomography (PAT) due to its ill-posed nature. Despite the extensive work…”
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Partial Hard Thresholding Autor Jain, Prateek, Tewari, Ambuj, Dhillon, Inderjit S.

“…We study iterative algorithms for compressed sensing that have an "orthogonalization" step at each iteration to keep the residual orthogonal to the span of…”
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Seeing the wood for the trees: towards improved quantification of glial cells in central nervous system tissue Autor Healy, Sinéad, McMahon, Jill, FitzGerald, Una

“…The following mini-review attempts to guide researchers in the quantification of fluorescently-labelled proteins within cultured thick or…”
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Restoration of deteriorated text sections in ancient document images using a tri-level semi-adaptive thresholding technique Autor Shobha Rani, N., Bipin Nair, B. J., Chandrajith, M., Hemantha Kumar, G., Fortuny, Jaume

“…The proposed research aims to restore deteriorated text sections that are affected by stain markings, ink seepages and document ageing in ancient document…”
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Automatic Thresholding Technique Using Reconfigurable Hardware Autor Anghelescu, Petre

“…This research presents an efficient automatic thresholding technique based on Otsu's method that can be used in edge detection algorithms and then applied as a…”
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Shrinkage-Thresholding Enhanced Born Iterative Method for Solving 2D Inverse Electromagnetic Scattering Problem Autor Desmal, Abdulla, Bagci, Hakan

“…A numerical framework that incorporates recently developed iterative shrinkage thresholding (IST) algorithms within the Born iterative method (BIM) is proposed…”
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Multi-Layer Basis Pursuit for Compressed Sensing MR Image Reconstruction Autor Wahid, Abdul, Shah, Jawad Ali, Khan, Adnan Umar, Ahmed, Manzoor, Razali, Hanif

“…Compressive Sensing (CS) is a widely used technique in biomedical signal acquisition and reconstruction. The technique is especially useful for reducing…”
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Linearly Constrained Nonsmooth and Nonconvex Minimization Autor Artina, Marco, Fornasier, Massimo, Solombrino, Francesco

“…Motivated by variational models in continuum mechanics, we introduce a novel algorithm to perform nonsmooth and nonconvex minimizations with linear constraints…”
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Intercomparison of Automated Near-Real-Time Flood Mapping Algorithms Using Satellite Data and DEM-Based Methods: A Case Study of 2022 Madagascar Flood Autor Li, Wenzhao, Li, Dongfeng, Fang, Zheng N.

“…Numerous algorithms have been developed to automate the process of delineating water surface maps for flood monitoring and mitigation purposes by using…”
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Training of an Extreme Learning Machine Autoencoder Based on an Iterative Shrinkage-Thresholding Optimization Algorithm Autor Vásquez-Coronel, José A., Mora, Marco, Vilches, Karina

“…Orthogonal transformations, proper decomposition, and the Moore–Penrose inverse are traditional methods of obtaining the output layer weights for an extreme…”
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Natural Thresholding Algorithms for Signal Recovery With Sparsity Autor Zhao, Yun-Bin, Luo, Zhi-Quan

“…The algorithms based on the technique of optimal <inline-formula><tex-math notation="LaTeX">k</tex-math></inline-formula>-thresholding (OT) were recently…”
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L Regularization: A Thresholding Representation Theory and a Fast Solver Autor Xu, Zongben, Chang, Xiangyu, Xu, Fengmin, Zhang, Hai

“…The special importance of L_{1/2} regularization has been recognized in recent studies on sparse modeling (particularly on compressed sensing). The L_{1/2}…”
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Alternating projection for sparse recovery Autor Sun, Tao, Du, Peibing, Cheng, Lizhi, Jiang, Hao

“…Reconstructing the sparse signal from a few linear measurements has attracted increasing attentions in recent years. In this study, the authors propose the…”
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Fast spatially variant deconvolution for optical microscopy via iterative shrinkage thresholding Autor Chacko, Nikhil, Liebling, Michael

“…Deconvolution offers an effective way to improve the resolution of optical microscopy data. While fast algorithms are available when the point spread function…”
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A New Fast Training Algorithm for Autoencoder Neural Networks based on Extreme Learning Machine Autor Vasquez-Coronel, Jose A., Mora, Marco, Vilches, Karina, Silva-Pavez, Fabian, Torres-Gonzalez, Italo, Barria-Valdevenito, Pedro

“…Autoencoders are neural networks that are characterized by having the same inputs and outputs. This kind of Neural Networks aim to estimate a nonlinear…”
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Restoration of deteriorated text sections in ancient document images using atri-level semi-adaptive thresholding technique Autor Shobha Rani, N., Bipin Nair, B. J., Chandrajith, M., Hemantha Kumar, G., Fortuny, Jaume

“…The proposed research aims to restore deteriorated text sections that are affected by stain markings, ink seepages and document ageing in ancient document…”
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