Discretisation and Sufficient Sampling for the Circular
Fingerprint recognition through circular sampling
... Fingerprint Recognition Through Circular Sampling http://www.cis.rit.edu/research/thesis/bs/1999/chang/thesis.html#1 6.4 Displacement Effect As can be seen from Figure 9, a shift no more than a single pixel ...
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Adaptivity in bayesian inverse finite element problems: learning and simultaneous control of discretisation and sampling errors
... Abstract: The local size of computational grids used in partial differential equation (PDE)-based probabilistic inverse problems can have a tremendous impact on the numerical results. As a consequence, numerical model ...
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LÉVY-BASED ERROR PREDICTION IN CIRCULAR SYSTEMATIC SAMPLING
... The geometric identity (Eq. 1) is in these cases a consequence of polar decomposition in the plane and an identity for mean width (Schneider, 1993, Eq. 5.3.12). If instead Y is a bounded convex spatial set containing O, ...
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Comparison of Reliability of Circular and Square CFST Columns using Importance Sampling Method
... ---------------------------------------------------------------------***---------------------------------------------------------------------- Abstract - In this study, analysis of CFST columns is done with the help of ...
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The Exact Discretisation of CARMA Models with Applications in Finance
... the sampling interval shrinks to zero, it has been shown by Lo (1988), in the univariate case, and Wang, Phillips and Yu (2011), for multivariate diffusions, that estimates are inconsistent when the ...
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Stability and discretisation in delayed and anticipatory systems of applied mechanics
... References C352 1 Introduction The stability of controlled mechanical systems is important. In numerous problems of mechanical engineering a machine is controlled by a digital device to perform some task. Such a system ...
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Stability of a Numerical Discretisation Scheme for the SIS Epidemic Model with a Delay
... 2.2 Stability analysis To analyse the stability properties of (4)-(5), we use R 0 as a parameter. We also investigate how the reproduction number R 0 and the delay τ affect the behaviour of the system. Our study is ...
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Hidden in plain sight: bias towards sick patients when sampling patients with sufficient electronic health record data for research
... EHR-based studies sample patients based on sufficiency requirements with the aim of selecting only those re- cords containing sufficient data to overcome the data missingness problem. This strategy turns out to ...
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Sampling and Sampling Distributions
... Other Sampling Designs Simple random sampling is the most natural and easily understood method of probability sampling — it corresponds to our intuitive notion of random selection by ...random ...
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Circular 0030/ Summary of Circular. The main issues addressed in this Circular are:
... has sufficient resources to cater for the significant care needs of the relevant children who are enrolled in the school for whom it has been indicated that there is a care ...
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Discretisation of constant rate loading
... a discretisation technique has been proposed, where the total load was divided into a large number of increments, each of which was ‘instantaneously’ applied at select time ...
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Wang's sufficient conditions of MD5 are not sufficient
... “sufficient conditions” of the output bits of every steps in the compression functions, and they succeeded to derive the collision message pairs. After Wang’s work, Klima proposed the improvement algorithm [3]. He ...
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Accurately model the Kuramoto-Sivashinsky dynamics with holistic discretisation
... assures us that upon substituting the ansatz (9–11) into the complete system and solving to some order of error in α and γ, then the centre manifold M and the evolution thereon will be approximated to the same order. ...
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Spatial Discretisation Technology in Coastal Oil Spill Modelling
... spatial discretisation is the basis for numerical computation and ...simulation. Discretisation is used to construct the modelling mesh for Finite Element or Finite Differential computation in hydrodynamic ...
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Control of spatial discretisation in coastal oil spill modelling
... spatial discretisation for hydrodynamic modelling with Finite Element method can been ...spatial discretisation is in fact the development of a zonal system, in which smaller zones are in shallow water near ...
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Discretisation of abstract linear evolution equations of parabolic type
... We emphasize that none of the above mentioned choices is artificial: there are appli- cations where the available information regards the values of A and f at the time-grid points and others the integral averages, but ...
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Discretisation-invariant swaps and higher-moment risk premia
... Model-free DI variance swaps have several advantages over conventional vari- ance swaps: (i) there is no jump or other model dependence error in their theo- retical fair-value swap rate;[r] ...
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Kernel-based discretisation for solving matrix-valued PDEs
... Abstract. In this paper, we discuss the numerical solution of certain matrix-valued partial differential equations. Such PDEs arise, for example, when constructing a Riemannian contraction metric for a dynamical system ...
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A mixed finite element discretisation of thin-plate splines
... where f h is the vector form of discretisation of the linear form f(·). The last line in Equation (8) comes from the side condition given in Equation (6). Each submatrix in (8) is sparse and has size independent ...
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Holistic discretisation of shear dispersion in a two-dimensional channel
... holistic discretisation of the 2D advection-diffusion equation is placed within the purview of centre manifold theory by dividing the physical domain into rectangular 2D elements through introducing artificial in- ...
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