نتایج جستجو برای: divergence measure

تعداد نتایج: 390285  

Journal: :Bioinformatics 2005
Dirk Husmeier Frank Wright Iain Milne

MOTIVATION A promising sliding-window method for the detection of interspecific recombination in DNA sequence alignments is based on the monitoring of changes in the posterior distribution of tree topologies with a probabilistic divergence measure. However, as the number of taxa in the alignment increases or the sliding-window size decreases, the posterior distribution becomes increasingly diff...

2005
CRISTIAN RIOS

is a Carleson measure in a Lipschitz domain Ω ⊂ R, n ≥ 1, (here δ (X) = dist (X, ∂Ω)). If the harmonic measure dωL0 ∈ A∞, then dωL1 ∈ A∞. This is an analog to Theorem 2.17 in [8] for divergence form operators. As an application of this, a new approximation argument and known results we obtain: Let L be an elliptic operator with coefficients A and drift term b; L can be in divergence or nondiver...

Journal: :Granular computing 2021

Picture Fuzzy Sets (PFSs) originated by Cuong and Kreinovich are more capable to capture uncertain, inconsistent vague information in multi-criteria decision making. In this paper, we propose a new picture fuzzy divergence measure based on Jensen-Tsallis function between PFSs. Further, the concept has been extended from sets novel measure. Besides validation of proposed measure, some its key pr...

2006
Cristian Rios C. Rios

is a Carleson measure in a Lipschitz domain Ω ⊂ R, n ≥ 1, (here δ (X) = dist (X,∂Ω)). If the harmonic measure dωL0 ∈ A∞, then dωL1 ∈ A∞. This is an analog to Theorem 2.17 in [8] for divergence form operators. As an application of this, a new approximation argument and known results we are able to extend the results in [10] for divergence form operators while obtaining totally new results for no...

2002
Pascal Molli Hala Skaf-Molli Gerald Oster

Tools like SourceForge or BSCW have popularized virtual teams through the web. They allow people to work together distributed across space, time and organization. A member of a virtual team can work disconnected on his private copies of shared objects with cycles of divergence-convergence. Divergence occurs when people are working “insulated” in their private workspaces and convergence takes pl...

Journal: :Information processing in medical imaging : proceedings of the ... conference 2009
Fei Wang Baba C. Vemuri Tanveer F. Syeda-Mahmood

This paper proposes a novel and robust approach to the groupwise point-sets registration problem in the presence of large amounts of noise and outliers. Each of the point sets is represented by a mixture of Gaussians and the point-sets registration is treated as a problem of aligning the multiple mixtures. We develop a novel divergence measure which is defined between any arbitrary number of pr...

Journal: :Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention 2009
Fei Wang Tanveer F. Syeda-Mahmood Baba C. Vemuri David Beymer Anand Rangarajan

In this paper, we propose a generalized group-wise non-rigid registration strategy for multiple unlabeled point-sets of unequal cardinality, with no bias toward any of the given point-sets. To quantify the divergence between the probability distributions--specifically Mixture of Gaussians--estimated from the given point sets, we use a recently developed information-theoretic measure called Jens...

2013
Aurélie Herbelot Mohan Ganesalingam

Some words are more contentful than others: for instance, make is intuitively more general than produce and fifteen is more ‘precise’ than a group. In this paper, we propose to measure the ‘semantic content’ of lexical items, as modelled by distributional representations. We investigate the hypothesis that semantic content can be computed using the KullbackLeibler (KL) divergence, an informatio...

Journal: :J. Electronic Imaging 2006
A. Ben Hamza

We propose a nonextensive information-theoretic measure called Jensen-Tsallis divergence, which may be defined between any arbitrary number of probability distributions, and we analyze its main theoretical properties. Using the theory of majorization, we also derive its upper bounds performance. To gain further insight into the robustness and the application of the Jensen-Tsallis divergence mea...

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