نتایج جستجو برای: statistical moments method

تعداد نتایج: 1935814  

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-...

2010
Ashish Nigam Qin Tang Amir Zjajo Michel Berkelaar Nick van der Meijs

Monte Carlo methods and simulation are often used to estimate the mean, variance, and higher order statistical moments of signal properties like delay and slew. The main issues with Monte Carlo methods are the required long run time and the need for prior detailed knowledge of the distribution of the variations. Additionally, most of available circuit simulation tools can run Monte Carlo analys...

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 ...

2014
Naser Zaeri Faris Baker Rabie Dib

Face recognition using different imaging modalities, particularly infrared imaging sensors, has become an area of growing interest. The use of thermal IR images can improve the performance of face recognition in uncontrolled illumination conditions. In this paper, we present a new technique for face recognition based on statistical calculations of thermal images. We propose the use of moments i...

2012
Honey Sharma Jaspal Singh Aujla

Purpose: The purpose of this paper is to introduce the mixed summation-integral-type Lupaş-Phillips-Bernstein operators. Methods: Firstly, we compute the moments of the operators. We use the method of Korovkin-type statistical approximation and modulus of continuity. Results: We find the rate of convergence of the modified operators using statistical convergence and modulus of continuity. Concl...

Journal: :Forest Science 2021

Abstract Distribution of tree diameters in a stand is characterized using models that predict diameter moments and/or percentiles conjunction with mathematical system to recover the parameters an assumed statistical distribution. Studies have compared Weibull distribution recovery systems but arrived at different conclusions regarding best approach for recovering stand’s from predicted stand-le...

ژورنال: یافته 2015
تمجیدی پور, احمد , عادلی, مهین , فلاح, یوسف , مومنی, نگار, ویسکرمی, معصومه, کریمی, مینا ,

Background : Rocker shoes are the most commonly prescribed external therapeutic shoe modification and are used for treatment of the ankle and midfoot problems. The aim of this study was to assesse the effects of the heel- to-toe rocker shoes on temporal-spatial and ankle joint moments in sagital and frontal plane. Materials and Methods: In this quasi-exprimental study, three-dimentional gait an...

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