نتایج جستجو برای: multiscale modeling

تعداد نتایج: 404781  

Journal: :IEEE Trans. Information Theory 1999
Klaus E. Timmermann Robert D. Nowak

Many important problems in engineering and science are well-modeled by Poisson processes. In many applications it is of great interest to accurately estimate the intensities underlying observed Poisson data. In particular, this work is motivated by photon-limited imaging problems. This paper studies a new Bayesian approach to Poisson intensity estimation based on the Haar wavelet transform. It ...

2004
G. Baraniuk

This paper considers the problem of determining which set of 2P leaf nodes on a binary multiscale tree model of depth N ( N > p ) gives the best linear minimum mean-squared estimator of the tree root. We find that the best-case and worst-case sanipling choices depend on the correlation structure of the tree. This problem arises in Internet traffic estimation. where the goal is to estimate the a...

2001
Lutz Dümbgen

Suppose that one observes pairs (x1, Y1), (x2, Y2), . . . , (xn, Yn), where x1 ≤ x2 ≤ · · · ≤ xn are fixed numbers, and Y1, Y2, . . . , Yn are independent random variables with unknown distributions. The only assumption is that Median(Yi) = f(xi) for some unknown convex function f . We present a confidence band for this regression function f using suitable multiscale signtests. While the exact ...

2014
William W. Lytton

Though molecular and cellular level modeling is the first step in the long of for clinical ladder multiscale modeling translational application, it may be regarded as the critical scale: "Where the rubber meets the road." The idiom from automotive engineering refers to the critical endpoint where all the ancillary engineering fuel system, chassis, pistons, etc. is finally tested. In the realm o...

Journal: :IEEE Trans. Biomed. Engineering 2011
Atam P. Dhawan Bruce C. Wheeler

W E are very pleased to introduce this Special Issue of TBME LETTERS on Multiscale Modeling and Analysis in Computational Biology and Medicine. We received an overwhelming response of our Call for Papers for this Special Issue with 243 manuscripts. Considering the significance of research interests in this area of high potential impact, and the large number of worthy manuscripts, we decided to ...

Journal: :I. J. Robotics Res. 2009
Mustapha Hamdi Antoine Ferreira

In this paper, we present a novel approach that makes use of multiscale and multiphysics modeling coupled to virtual reality for nanorobotic prototyping systems. First, a CAD-assisted assembly system that integrates principles for a multiscale approach into a nanorobotics structure design is presented. Then, we focus on the different design levels, more specifically, the optimization of geometr...

Journal: :Wiley Interdisciplinary Reviews: Systems Biology and Medicine 2009

Journal: :Symmetry 2021

A multiscale approach to discrete element modeling is presented. distinctive feature of the method that each macroscopic has an associated atomic sample representing material’s structure. The dynamics elements on macro and micro levels are described by systems ordinary differential equations, which solved in a self-consistent manner. full cycle simulations applied polycrystalline silicon. Macro...

2005
Thomas Y. Hou Danping Yang Hongyu Ran THOMAS Y. HOU DANPING YANG HONGYU RAN

We perform a systematic multiscale analysis for the 2-D incompressible Euler equation with rapidly oscillating initial data using a Lagrangian approach. The Lagrangian formulation enables us to capture the propagation of the multiscale solution in a natural way. By making an appropriate multiscale expansion in the vorticity-stream function formulation, we derive a well-posed homogenized equatio...

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