Bayesian learning 1 Bayesian learning framework 1 Bayesian networks 1 Discrete signal 1 Discretizations 1 Gaussian distribution 1 Inference engines 1 Learning approach 1 Measurement matrix 1 Message passing 1 Message-passing 1 QC-LDPC 1 Signal reconstruction 1 Signals reconstruction 1 Sparse bayesian 1 Variational Bayesian inferences 1 arithmetic sequence sets 1 coherence 1 compressed sensing 1 measurement matrix 1