نتایج جستجو برای: statistical moments

تعداد نتایج: 403750  

Journal: :Physical review. E 2016
Dmytro Bielievtsov Josef Ladenbauer Klaus Obermayer

We consider a general class of stochastic networks and ask which network nodes need to be controlled, and how, to stabilize and switch between desired metastable (target) states in terms of the first and second statistical moments of the system. We first show that it is sufficient to directly interfere with a subset of nodes which can be identified using information about the graph of the netwo...

2000
Jamie D. Shutler Mark S. Nixon Christopher J. Harris

Statistical recognition techniques have already been shown to achieve good performance in automatic gait recognition. However, the metrics were only statistical in nature and did not describe the intimate nature of gait. Accordingly, new velocity moments have been developed to describe an object and its motion throughout an image sequence. These moments are an extended form of centralised momen...

2010
Sharif Rahman

This technical note presents explicit formulas for calculating the response moments of stochastic systems by polynomial dimensional decomposition entailing independent random input with arbitrary probability measures. The numerical results indicate that the formulas provide accurate, convergent, and computationally efficient estimates of the second-moment properties. DOI: 10.1061/ ASCE EM.1943-...

2002
S P Prismall M S Nixon

Statistical moments can offer a powerful means for object description in object sequences. Moments used in this way provide a description of the changing shape of the object with time. Using these descriptions to predict temporal views of the object requires efficient and accurate reconstruction of the object from a limited set of moments, but accurate reconstruction from moments has as yet rec...

Journal: :CoRR 2017
Rémi Gribonval Gilles Blanchard Nicolas Keriven Yann Traonmilin

We describe a general framework –compressive statistical learning– for resource-efficient largescale learning: the training collection is compressed in one pass into a low-dimensional sketch (a vector of random empirical generalized moments) that captures the information relevant to the considered learning task. A near-minimizer of the risk is computed from the sketch through the solution of a ...

2012
R. Venkata Ramana Chary D. Rajya Lakshmi

In this paper the Quality measures of Multispectral images are analysed by using Textual features. An experimental result of textual features on different tasks in multispectral images vise TM, SAR is measured. Six different statistical moments based on common descriptors of the features are measured and based on those statistical moments, Quality measures are analyzed.

Journal: :Image Vision Comput. 2006
Jamie D. Shutler Mark S. Nixon

The increasing interest in processing sequences of images motivates development of techniques for sequence-based object analysis and description. Accordingly, new velocity moments have been developed to allow a statistical description of both shape and associated motion through an image sequence. Through a generic framework motion information is determined using the established centralised mome...

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