نتایج جستجو برای: backward probability model

تعداد نتایج: 2271375  

Journal: :iranian journal of radiation research 0
t.s. kehwar department of radiation oncology, university of pittsburgh cancer institute, pittsburgh, pa, usa s.f. akber department of radiation oncology, case western reserve university, cleveland, ohio, usa a.k. bhardwaj department of radiation oncology, postgraduate institute of medical education and research, chandigarh, india v.k. dangwal department of radiotherapy, govt. medical college, patiala, india

background: study in design to incorporate accelerated proliferation correction factors into linearquadratic and multiple-component models. materials and methods: accelerated proliferation rate correction factor has been incorporated into the linearquadratic and the multiple component models by applying accelerated exponential cell growth to explain the tumor cell kinetics and estimates proper ...

Journal: :Computers & Mathematics with Applications 2008
Alfonso Montuori Giovanni Raimondo Eros Pasero

We present the results of an information theory-based approach to select an optimal subset of features for the prediction of protein model quality. The optimal subset of features was calculated by means of a backward selection procedure. The performances of a probabilistic classifier modeled by means of a Kernel Probability Density Estimation method (KPDE) were compared with those of a feed-for...

2002
Yousef Al-Ohali Mohamed Cheriet Ching Y. Suen

HMM is very well suited to model sequential patterns. This paper introduces a new parameter, the termination probability, to HMM. The new parameter provides a better initialization for the backward variable during the training and evaluation phases. This improves the discriminatory power of HMM by allowing the system to judge the input observation sequence based on where it is completed. Experi...

2006
G. E. Hahne

A straightforward extension of quantum mechanics and quantum field theory is proposed that can describe physical systems comprising two interacting subsystems: one subsystem evolves forward in time, the other, backward. The space of quantum states is the direct sum of the states representing the respective subsystems, whereupon there are two linearly independent vacuum states, one each for the ...

Journal: :IGTR 2011
Christian W. Bach Conrad Heilmann

We analyze the sequential structure of dynamic games with perfect information. A three-stage account is proposed, that specifies setup, reasoning and play stages. Accordingly, we define a player as a set of agents corresponding to these three stages. The notion of agent connectedness is introduced into a type-based epistemic model. Agent connectedness measures the extent to which agents’ choice...

2010
H. Mete Soner Nizar Touzi Jianfeng Zhang

We provide an existence and uniqueness theory for an extension of backward SDEs to the second order. While standard Backward SDEs are naturally connected to semilinear PDEs, our second order extension is connected to fully nonlinear PDEs, as suggested in [4]. In particular, we provide a fully nonlinear extension of the Feynman-Kac formula. Unlike [4], the alternative formulation of this paper i...

ابراهیمی, اسماعیل, امامی مهتاج, هوشنگ, اکابری , فرزاد, فراهینی, حسین, گوهرپی , شاهین ,

This research was conducted to examine the effect of adding forward and backward running in a wobble training program on some of functional static balance tests. In this research 30 young male(15-35 years) with sprain of lateral ligaments (grade I,II) of ankle joint were selected by non-probability sampling and assigned randomly into three groups: Group 1 included 10 subjects that perfo...

2010
Yuan Sun Xiaodong Yan Xiaobing Zhao Guosheng Yang

forward-backward scanning identification method and improved maximum probability algorithm. Finally, an experiment is conducted, and the results prove the algorithm is effective.

2000
Kai Hencken Dirk Trautmann Gerhard Baur

We calculate the probability for dilepton production in central relativistic heavy ion collisions due to the gg mechanism. This is a potential background to more interesting mechanisms. We find that this mechanism is negligible in the CERES experiments. Generally, the contribution due to this mechanism is small in the central region, while it can be large for small invariant masses and forward ...

1999
Dirk Trautmann Gerhard Baur

We calculate the probability for dilepton production in central relativistic heavy ion collisions due to the γγ mechanism. This is a potential background to more interesting mechanisms. We find that this mechanism is negligible in the CERES experiments. Generally, the contribution due to this mechanism is small in the central region, while it can be large for small invariant masses and forward ...

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