Belief Propagation and Revision in Networks with Loops
Belief Propagation and Revision in Networks with Loops
Stochastic reasoning, free energy, and information geometry
Neural Computation
Correctness of Local Probability Propagation in Graphical Models with Loops
Neural Computation
Information geometry of turbo and low-density parity-check codes
IEEE Transactions on Information Theory
On the Minima of Bethe Free Energy in Gaussian Distributions
ICAISC '08 Proceedings of the 9th international conference on Artificial Intelligence and Soft Computing
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Belief propagation (BP) is the calculation method which enables us to obtain the marginal probabilities with a tractable computational cost. BP is known to provide true marginal probabilities when the graph describing the target distribution has a tree structure, while do approximate marginal probabilities when the graph has loops. The accuracy of loopy belief propagation (LBP) has been studied. In this paper, we focus on applying LBP to a multi-dimensional Gaussian distribution and analytically show how accurate LBP is for some cases.