Results 41 to 50 of about 194,948 (329)
Detecting and segmenting cell nuclei in two-dimensional microscopy images
Journal of Pathology Informatics, 2016 Introduction: Cell nuclei are important indicators of cellular processes and diseases. Segmentation is an essential stage in systems for quantitative analysis of nuclei extracted from microscopy images.
Chi Liu +3 more
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A multiscale method to calculate filter blockage [PDF]
Journal of Fluid Mechanics, 2016 Filters that act by adsorbing contaminant onto their pore walls will experience a decrease in porosity over time, and may eventually block. As adsorption will generally be greater towards the entrance of a filter, where the concentration of contaminant particles is higher, these effects can also result in a spatially varying porosity.
Dalwadi, Mohit P. +2 more
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, 2017 We propose a generalized multiscale finite element method (GMsFEM) based on clustering algorithm to study the elliptic PDEs with random coefficients in the multi-query setting. Our method consists of offline and online stages.
Chung, Eric T. +3 more
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Adaptive multiresolution analysis based on synchronization [PDF]
, 2011 We propose an adaptive multiscale approach to data analysis based on synchronization. The approach is nonlinear, data driven in the sense that it does not rely on a priori chosen basis, and automatically determines the data scale.
Pesenson, Isaac Z., Pesenson, Meyer Z.
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Multiscale discontinuous Petrov–Galerkin method for the multiscale elliptic problems [PDF]
Numerical Methods for Partial Differential Equations, 2017 In this article, we present a new multiscale discontinuous Petrov–Galerkin method (MsDPGM) for multiscale elliptic problems. This method utilizes the classical oversampling multiscale basis in the framework of a Petrov–Galerkin version of the discontinuous Galerkin method, allowing us to better cope with multiscale features in the solution.
Fei Song, Weibing Deng
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Oversampling for the Multiscale Finite Element Method [PDF]
Multiscale Modeling & Simulation, 2013 This paper reviews standard oversampling strategies as performed in the Multiscale Finite Element Method (MsFEM). Common to those approaches is that the oversampling is performed in the full space restricted to a patch but including coarse finite element functions.
Henning, Patrick, Peterseim, Daniel
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IEEE AccessLempel-Ziv complexity (LZC) is an algorithm used to quantify the complexity of a data sequence by calculating the number of independent substrings contained in the sequence.
Jiancheng Yin +4 more
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IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2020 The spectral resolution of hyperspectral images (HSIs) is very high. Nevertheless, their spatial resolution is low due to various hardware limitations. Therefore, it is important to study HSI super resolution to improve their spatial resolution.
Jianwen Hu, Yuan Tang, Shaosheng Fan
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SIAM Journal on Scientific ComputingIn this work we propose, analyze, and test a new multiscale finite element method called Multiscale Hybrid (MH) method. The method is built as a close relative to the Multiscale Hybrid Mixed (MHM) method, but with the fundamental difference that a novel definition of the Lagrange multiplier is introduced.
Gabriel R. Barrenechea +2 more
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Convergence of a Discontinuous Galerkin Multiscale Method [PDF]
SIAM Journal on Numerical Analysis, 2013 A convergence result for a discontinuous Galerkin multiscale method for a second order elliptic problem is presented. We consider a heterogeneous and highly varying diffusion coefficient in $L^\infty( ,\mathbb{R}^{d\times d}_{sym})$ with uniform spectral bounds and without any assumption on scale separation or periodicity. The multiscale method uses a
Elfverson, Daniel +3 more
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