Tutorial: Variational Inference, (Not So) Approximate Bayesian Techniques, and Applications (Part 1 of 2)
Dirk Slock, Christo K. Thomas
Part I Approximate Bayesian Techniques
Variational Bayes
Variational Free Energy
Variational Bayes (VB)
Mean field and EM algorithms
Expectation Propagation
Factor Graph models
Bethe Free Energy
Belief Propagation
Expectation Propagation
Convergent Alternating Constrained Minimization
ADMM
Algorithm unfolding
Relation to Deep NNs
LMMSE case: multistage Wiener Filter
Compressed Sensing
LASSO, OMP etc.
Sparse Bayesian Learning (SBL)
Part II Generalized Linear models
xAMP (AMP, GAMP, VAMP, GUAMP,…)
convergent GAMP
Large System Analysis (iid, Haar)
Bayes optimality
Stein’s Unbiased Risk Estimation
SBL example: EM, VB, SURE
Part III Bilinear models
Cell-Free Massive MIMO setting
MAP and MMSE estimates
CRB variations
EP variations: Factor Level, Variable Level
Part IV Adaptive Kalman filtering
Dynamic SBL setting
Bayesian CRB
EM, VB,…., applied to Kalman filtering