نتایج جستجو برای: moment matching

تعداد نتایج: 160752  

Journal: :IEEE Trans. VLSI Syst. 1996
Qingjian Yu Ernest S. Kuh Tianxiong Xue

In this paper, we present new moment models for uniform, nonuniform and coupled transmission lines. The moment model of a line is based on the relationships between the two port currents (KCL) and the two port voltages (KVL) of the line. The parameters of the model depend on the mean values of the voltage moments and the weighted voltage moments of the line. Simple formulas are given to compute...

2014
Qiang Tong Terumasa Aoki

This paper presents a new local feature scheme for image matching between a strongly blurred image and a non-blurred image. In recent years, a lot of local feature schemes have been proposed to improve the image matching performances. However, as far as the authors know, there are no local features which are robust to strong blur. In this paper, blur moment invariants are introduced into a loca...

Journal: :Journal of Economic Interaction and Coordination 2016

2016
Anastasia Podosinnikova Francis R. Bach Simon Lacoste-Julien

We introduce three novel semi-parametric extensions of probabilistic canonical correlation analysis with identifiability guarantees. We consider moment matching techniques for estimation in these models. For that, by drawing explicit links between the new models and a discrete version of independent component analysis (DICA), we first extend the DICA cumulant tensors to the new discrete version...

2015
Mingjun Zhong Nigel H. Goddard Charles A. Sutton

In many statistical problems, a more coarse-grained model may be suitable for population-level behaviour, whereas a more detailed model is appropriate for accurate modelling of individual behaviour. This raises the question of how to integrate both types of models. Methods such as posterior regularization follow the idea of generalized moment matching, in that they allow matching expectations b...

Journal: :IEEE Trans. Pattern Anal. Mach. Intell. 2003
Jan Flusser Jirí Boldys Barbara Zitová

We present the construction of combined blur and rotation moment invariants in arbitrary number of dimensions. Moment invariants to convolution with an arbitrary centrosymmetric filter are derived first, and then their rotationally invariant forms are found by means of group representation theory to achieve the desired combined invariance. Several examples of the invariants are calculated expli...

Journal: :Applied sciences 2023

We discuss the analysis of a piezoelectric energy harvester for random mechanical vibrations, and we assess performance improvement guaranteed by interposing matching network between transducer electrical load, in terms average output power efficiency. The mathematical model describing is system stochastic differential equations, where both cases linear nonlinear devices are considered. In case...

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