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random phase

Random phase fields and Gaussian fields for image sharpness assessment and fast texture synthesis

Random phase fields and Gaussian fields for image sharpness assessment and fast texture synthesis

... there exist a texture synthesis model/algorithm that precisely respect the local conspicuous features and thus complies well with Julesz’s texton theory? This question has been partially answered through the use of ...

258

Description des états excités du noyau par la méthode de la Quasiparticle Random-Phase Approximation et l'interaction de Gogny

Description des états excités du noyau par la méthode de la Quasiparticle Random-Phase Approximation et l'interaction de Gogny

... particle random-phase approximation (QRPA) could provide enriched microscopic ingredients entering the vibrational mass parameters to be used for the 5DCH Hamiltonian, if the computational burden is not too ...

210

Large-scale deformed quasiparticle random-phase approximation calculations of the γ -ray strength function using the Gogny force

Large-scale deformed quasiparticle random-phase approximation calculations of the γ -ray strength function using the Gogny force

... the E1-strength function out towards the neutron-drip line. Large-scale calculations of E1 γ -ray strength functions are usually performed on the basis of the phenomenological Lorentzian model [ 4 ]. The reliability of ...

16

Random Phase Textures: Theory and Synthesis

Random Phase Textures: Theory and Synthesis

... the random phase model, which leads exactly to the RPN ...that random phase textures and random shift textures generated from the same sample are ...of random phase ...

19

A recursive non-linear pre-encryption for opto-digital double random phase encoding

A recursive non-linear pre-encryption for opto-digital double random phase encoding

... Recursive non-linear pre-encryption a b s t r a c t In this paper, we propose a recursive non-linear pre-encryption to be carried out digitally on the input image in the spatial domain before applying any double ...

11

Experimental study of z resolution in acousto-optical coherence tomography using random phase jumps on ultrasound and light

Experimental study of z resolution in acousto-optical coherence tomography using random phase jumps on ultrasound and light

... Laboratoire Charles Coulomb- UMR 5221 CNRS-UM2 Universit´e Montpellier II place Eug`ene Bataillon 34095 Montpellier Compiled February 6, 2013 Acousto-Optical Coherence Tomography (AOCT) is a variant of Acousto Optic ...

10

Regularity and localized representations of random-phase textures

Regularity and localized representations of random-phase textures

... converges. This result turns out to be quite unpractical, and the results proved in Chapter 4 aim at complementing its claims with a more tractable approach. We are indeed looking for tractable conditions for the ...

155

Phase diagram of the random frequency oscillator: The case of Ornstein-Uhlenbeck noise

Phase diagram of the random frequency oscillator: The case of Ornstein-Uhlenbeck noise

... induced phase transition from an absorbing state to a non- equilibrium steady state ...extended phase, the system undergoes random oscillations with increasing amplitude; nonlinearities must ...

18

Self-similar random fields and rescaled random balls models

Self-similar random fields and rescaled random balls models

... RANDOM BALLS MODELS HERMINE BIERM ´ E, ANNE ESTRADE, AND INGEMAR KAJ ...generalized random fields which arise as rescaling limits of spa- tial configurations of uniformly scattered random balls as ...

29

Random matrices and the Potts model on random graphs

Random matrices and the Potts model on random graphs

... ration of planar triangulations following Br´ ezin, Itzykson, Parisi and Zuber (who proposed this matrix approach to give a new proof of a combinatorial result by Tutte on the enumeration of rooted planar triangulation ...

34

Non parametric estimation for random walks in random environment

Non parametric estimation for random walks in random environment

... Abstract We consider a random walk in i.i.d. random environment with dis- tribution ν on Z. The problem we are interested in is to provide an estimator of the cumulative distribution function (c.d.f.) F of ...

29

Fast brain decoding with random sampling and random projections

Fast brain decoding with random sampling and random projections

... between random sampling and projections as a strategy of dimension reduction to decode brain ...that random sampling can be used to approximate the weight maps of a linear estimator in the brain ...

5

Second harmonic generation in gallium phosphide microdisks on silicon: from strict $\bar{4}$ to random quasi-phase matching

Second harmonic generation in gallium phosphide microdisks on silicon: from strict $\bar{4}$ to random quasi-phase matching

... a random QPM process in microdisks compared to other SHG schemes, three features should be discussed: the conversion efficiency, the wavelength conversion window and the tolerance of the device to fabrication ...

13

Asymptotic direction for random walks in random environments

Asymptotic direction for random walks in random environments

... the walk admits a unique asymptotic direction. We define the same renewal struc- ture with cones as in the proof of theorem 1. It is easy to adapt the results in [7] from proposition 1.2 to corollary 1.5, we obtain the ...

12

Diffusions in random environments and multi-excited random walks

Diffusions in random environments and multi-excited random walks

... The remainder of this paper is organized as follows: in Section 2, we prove sharp results concerning the uctuations of the potential V as well as on the limiting stable process S. These estimates, which may be found of ...

202

Random matrix models for phase diagrams

Random matrix models for phase diagrams

... the random and the deterministic parts of the Hamiltonians. Here, the random part of the Hamiltonian was not intended to describe randomly fluctuating processes or statistical ...and random matrix ...

29

CUTOFF FOR NON-BACKTRACKING RANDOM WALKS ON SPARSE RANDOM GRAPHS

CUTOFF FOR NON-BACKTRACKING RANDOM WALKS ON SPARSE RANDOM GRAPHS

... SPARSE RANDOM GRAPHS ANNA BEN-HAMOU AND JUSTIN SALEZ Abstract. A finite ergodic Markov chain is said to exhibit cutoff if its distance to stationarity remains close to 1 over a certain number of iterations and ...

20

Random Active Shield

Random Active Shield

... tivity!). Random shielding thus does not deter better than regular shielding (such as that displayed on the right side of ...But random shielding is deterrent if its layout is unknown (for instance because ...

12

On random Hermite series

On random Hermite series

... by Rafik Imekraz, Didier Robert & Laurent Thomann Abstract. — We study integrability and continuity properties of random series of Hermite functions. We get optimal results which are analogues to classical ...

34

Random Cross Ratios

Random Cross Ratios

... rough assessment of the effectiveness of using the cross ratio, any of these distributions can be used. 6. Conclusions and Acknowledgements The main contribution of this paper is the derivation of the analytical ...

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