نتایج جستجو برای: poisson ratio

تعداد نتایج: 531928  

2014
Yohann Tendero Stanley Osher

This paper proposes a mathematical model and formalism to study coded exposure (flutter shutter) cameras. The model includes the Poisson photon (shot) noise as well as any additive (readout) noise of finite variance. This is an improvement compared to our previous work that only considered the Poisson noise. In addition, closed formulae for the Mean Square Error and Signal to Noise Ratio of the...

Journal: :American journal of epidemiology 1998
P M Kulkarni R C Tripathi J E Michalek

The authors present algorithms to compute the confidence interval for a Poisson parameter (lambda) and the p value for testing the hypothesis that lambda is equal to a constant, which can be used to make inferences about the standardized mortality ratio and the standardized incidence ratio. The p value and confidence interval always agree, despite the discrete nature of the Poisson distribution...

2005
JAMES M. DRAKE

In this paper we apply Biot's classical theory of consolidation to the brain in simplified geometry, in order to find explicit formulas for its response to internally applied loads. We show that the observed brain compliance can be understood in terms of Biot's concept of jacketed compressibility, with the result that the Poisson ratio is considerably less than the value 112 used in early numer...

Journal: :CoRR 2007
Anthony Reveillac

In recent years infinite-dimensional stochastic analysis methods have been introduced in the field of estimation for Gaussian channels. The aim of this note is to study the application of similar methods to Poisson channels. In particular we show that the conditional mean estimator of a Poisson channel can be expressed as a discrete logarithmic Malliavin gradient of the likelihood-ratio of the ...

رضائیان فرد, الهام, زارع, نجف, صیادی, مهراب, قائم, هاله,

Background & objectives: statistical modeling explicates the observed changes in data by means of mathematics equations. In cases that dependent variable is count, Poisson model is applied. If Poisson model is not applicable in a specific situation, it is better to apply the generalized Poisson model. So, our emphasis in this study is to notice the data structure, introducing the generalized Po...

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