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A partial differential equation approach to image zoom

A partial differential equation approach to image zoom

... In a quite similar idea, Guichard et al. [9] proposed to choose among W v,S the image that has the smallest total variation: E(w) = R ...by a gradient descent from any linearly zoomed version ... Voir le document complet

9

Novel 4-D Algorithm for Functional MRI Image Regularization using Partial Differential Equations

Novel 4-D Algorithm for Functional MRI Image Regularization using Partial Differential Equations

... Introduction Image denoising via different regularization algorithms have been addressed within the past years with many approaches [1, 2], In particular, in the case of functional MRI (fMRI), deconvolution ... Voir le document complet

6

A moment-matching method to study the variability of phenomena described by partial differential equations

A moment-matching method to study the variability of phenomena described by partial differential equations

... Section A, our approach is illustrated with a set of ODEs modeling the transient action potential of a heart ...applied to the Darcy ...consider a nonlinear parabolic PDE model, ... Voir le document complet

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Invariant discretizations of partial differential equations

Invariant discretizations of partial differential equations

... infinitesimal approach used by Dorodnitsyn, Kozlov, Levi and Winternitz or the moving frame method used by Olver and Fels, a number of invariant schemes were found over the years for particular equations, ... Voir le document complet

158

Deconvolution of fMRI Data using a Paradigm Free Iterative Approach based on Partial Differential Equations

Deconvolution of fMRI Data using a Paradigm Free Iterative Approach based on Partial Differential Equations

... is a technique which indirectly measures neural activations via the blood oxygenated level dependent (BOLD) signal ...proposed to regularize the fMRI data, while recovering the underlying activations at the ... Voir le document complet

5

A Nash-game approach to joint image restoration and segmentation

A Nash-game approach to joint image restoration and segmentation

... words: image restoration, image segmentation, game theory, Nash equilibrium 2000 MSC: 68U10, 94A08, 65N, 91A80 ...Introduction Image segmentation, which is the process of extracting objects from an ... Voir le document complet

16

An axiomatic approach to image interpolation

An axiomatic approach to image interpolation

... processing. A number of di erent approaches using interpolation techniques have been proposed in the literature for 'perceptually motivated' coding applications [5, 17, ...underlying image model is based on ... Voir le document complet

30

Convergence of a finite difference scheme to weak solutions of the system of partial differential equation arising in mean field games

Convergence of a finite difference scheme to weak solutions of the system of partial differential equation arising in mean field games

... is a continuous ...has a strictly su- perlinear growth with respect to p and F is a continuous function: in this case, one has to look for weak solutions, see [24] and the recent ... Voir le document complet

25

Stability analysis of coupled ordinary differential systems with a string equation: application to a drilling mechanism

Stability analysis of coupled ordinary differential systems with a string equation: application to a drilling mechanism

... of Partial Differential Equations (PDEs). The books [55, 169] draw a list of more than thirty PDEs used in physics to describe a transport problem, a diffusion reaction, a ... Voir le document complet

174

Partial differential equation models in macroeconomics

Partial differential equation models in macroeconomics

... One approach to obtaining more tractable formulations of models with aggregate shocks has been to simplify the heterogeneity at the individual ...rise to interesting non-linear behav- ior of ... Voir le document complet

19

Partial Differential Equation and Noise

Partial Differential Equation and Noise

... GSB08], to volcano monitoring [SRG06, BSC07, BSC08], to petroleum prospecting [CGS06] and medicine ...present a general theoretical framework that shows how, when data are viewed through the actual ... Voir le document complet

167

In-Domain Control of a Heat Equation: An Approach Combining Zero-Dynamics Inverse and Differential Flatness

In-Domain Control of a Heat Equation: An Approach Combining Zero-Dynamics Inverse and Differential Flatness

... parabolic partial differential equations (PDEs) is a long-standing problem in PDE control theory and ...exists a very rich literature devoted to this topic, and it is continuing ... Voir le document complet

12

In-Domain Control of Partial Differential Equations

In-Domain Control of Partial Differential Equations

... indeed a multiple input-multiple out problem under the setting of multiple pointwise in-domain actuation and sensing, have been reported in the ...literature. A convenient method, called zero dynamics ... Voir le document complet

135

Stability of a critical nonlinear neutral delay differential equation

Stability of a critical nonlinear neutral delay differential equation

... The paper is organized as follows. Section 2 treats the full nonlinear NDDE. The stability of the zero solution in the homogeneous case is proven. Generalization to the non-homogeneous case with constant forcing ... Voir le document complet

28

A stochastic differential equation model for transcriptional regulatory networks.

A stochastic differential equation model for transcriptional regulatory networks.

... model to the same test data set as in [6], given by gene expression measurements of the mRNA lev- els of 6178 ...[1]. A candidate pool of potential regulators was constructed by joining transcrip- tion ... Voir le document complet

10

Personality and mental time travel: a differential approach to autonoetic consciousness.

Personality and mental time travel: a differential approach to autonoetic consciousness.

... capacity to remember our past experiences and to project ourselves into possible future events, is considered as a crucial ability for human-beings (Gilbert & Wilson, 2007; Schacter, Addis & ... Voir le document complet

13

Differential Inference Testing: A Practical Approach to Evaluate Sanitizations of Datasets

Differential Inference Testing: A Practical Approach to Evaluate Sanitizations of Datasets

... propose a framework to test whether a machine learning (ML) model can predict sensitive attribute values from a given sanitized ...succeeds to predict the true value (what they call ... Voir le document complet

9

Isogeometric methods for hyperbolic partial differential equations

Isogeometric methods for hyperbolic partial differential equations

... alternative approach has emerged, the discontinuous Galerkin method (DGM), which shares some features with both the FVM and the ...and a numerical flux is defined at the interface between cells to ... Voir le document complet

236

An averaging theory for nonlinear partial differential equations

An averaging theory for nonlinear partial differential equations

... des conseils divers. Merci à Xin Nie, Shanwen Wang et Shaoshi Chen pour m’avoir aidé quand je commençais mon séjour en France. Merci à Marcel et Sasha, pour les plusieurs heures de discussion qu’on a passé ... Voir le document complet

107

Image Classification Using a Variational Approach

Image Classification Using a Variational Approach

... 101 - 54602 Villers lès Nancy Cedex France Unité de recherche INRIA Rennes : IRISA, Campus universitaire de Beaulieu - 35042 Rennes Cedex France Unité de recherche INRIA Rhône-Alpes : 65[r] ... Voir le document complet

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