method
active
method:variational-bayesVariational Bayes
Mathematical framework for approximating posterior beliefs; converts exact Bayesian inference into optimization.
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Papers (1)
paper
Frameworks (2)
framework
- Free Energy PrincipleimplementsA foundational variational principle from statistical physics that formalizes how self-organizing systems maintain structural integrity and adapt to their environment by minimizing free energy—a mathematical bound on surprise or prediction error. Originally developed by Karl Friston, the framework unifies action, perception, and learning as processes of active inference, where systems both update internal models of the world and act upon it to reduce the divergence between predictions and observations.
- Variational Message PassingimplementsAlgorithm for approximate Bayesian inference based on mean-field approximation.
Concepts (1)
concept
- free energyassociated_withThermodynamic potential ΔF = ΔE − TΔS; domain walls form if ΔF < 0
Methods (3)
method
- Belief PropagationimplementsInference mechanism underlying active inference; updates posterior beliefs via gradient descent on free energy.
- Belief Propagation AlgorithmimplementsMessage passing algorithm based on Bethe approximation.
- Variational Message Passing AlgorithmimplementsMessage passing algorithm for approximate Bayesian inference using mean-field factorisation.
Related by similarity (8)
cosine ≥ 0.65 · no typed edgeEntities in the same semantic neighborhood but without a typed relation to this one — candidates for new edges or unrecognized duplicates.
- A method for approximate Bayesian inference that optimizes a variational lower bound (ELBO) on log evidence.
- Method to obtain time-dependent conditional densities by maximizing variational free energy.
- Statistical framework underlying perceptual inference and learning scheme; enables hierarchical models of sensory generation.
- Framework for physics of sentient systems; cited for understanding consciousness across substrates.
- The vast variety of shapes and sizes in morphogenetic living forms, impossible under blueprint planning.
- Minimizing variational free energy for perceptual inference and learning of model parameters.
- The subtle differences among repeated elements necessary to avoid mechanical uniformity.