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A Theory of Informational Exchanges - Random Set Formalism
RAYTHEON TI SYSTEMS INC SAN JOSE CA
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This paper describes a theory of data fusion in random-set formalism. Data fusion problems are defined as problems for estimating random sets of targets, i.e., an unknown number of objects whose states are to be estimated, based on information given in terms of random sets, i.e., a collection of sets of unknown numbers of observables with unknown origins. In this theory, information, i.e., a state of knowledge, is described, both a priori and a posteriori, in terms of random-set probability density functions, sometimes known as Janossy densities. Using this formalism, this paper considers an abstract distributed information processing system consisting of multiple information processing agents that, in addition to processing local information obtained through local information gathering sources, exchanges information with each other to achieve a globally optimal informational state collectively.
APPROVED FOR PUBLIC RELEASE