mutual information


mutual information
взаимная информация

English-Russian cryptological dictionary . 2014.

Смотреть что такое "mutual information" в других словарях:

  • Mutual information — Individual (H(X),H(Y)), joint (H(X,Y)), and conditional entropies for a pair of correlated subsystems X,Y with mutual information I(X; Y). In probability theory and information theory, the mutual information (sometimes known by the archaic term… …   Wikipedia

  • Mutual Information — Transinformation oder gegenseitige Information ist eine Größe aus der Informationstheorie, die die Stärke des statistischen Zusammenhangs zweier Zufallsgrößen angibt. Die Transinformation wird auch als Synentropie bezeichnet. Im Gegensatz zur… …   Deutsch Wikipedia

  • Conditional mutual information — In probability theory, and in particular, information theory, the conditional mutual information is, in its most basic form, the expected value of the mutual information of two random variables given the value of a third. Contents 1 Definition 2… …   Wikipedia

  • Multivariate mutual information — In information theory there have been various attempts over the years to extend the definition of mutual information to more than two random variables. These attempts have met with a great deal of confusion and a realization that interactions… …   Wikipedia

  • Quantum mutual information — In quantum information theory, quantum mutual information, or von Neumann mutual information, is a measure of correlation between subsystems of quantum state. It is the quantum mechanical analog of Shannon mutual information. Motivation For… …   Wikipedia

  • Pointwise mutual information — (PMI) (or specific mutual information) is a measure of association used in information theory and statistics.The PMI of a pair of outcomes x and y belonging to discrete random variables quantifies the discrepancy between the probability of their… …   Wikipedia

  • Mutual — may refer to: Mutual organization, where customers derive a right to profits and votes Mutual information, the intersection of multiple information sets Mutual insurance, where policyholders have certain ownership rights in the organization… …   Wikipedia

  • Information theory — Not to be confused with Information science. Information theory is a branch of applied mathematics and electrical engineering involving the quantification of information. Information theory was developed by Claude E. Shannon to find fundamental… …   Wikipedia

  • Information theory and measure theory — Measures in information theory = Many of the formulas in information theory have separate versions for continuous and discrete cases, i.e. integrals for the continuous case and sums for the discrete case. These versions can often be generalized… …   Wikipedia

  • Information bottleneck method — The information bottleneck method is a technique introduced by Tishby et al [1] for finding the best tradeoff between accuracy and complexity (compression) when summarizing (e.g. clustering) a random variable X, given a joint probability… …   Wikipedia

  • Information gain in decision trees — In information theory and machine learning, information gain is an alternative synonym for Kullback–Leibler divergence . In particular, the information gain about a random variable X obtained from an observation that a random variable A takes the …   Wikipedia

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