sum-product topic

Belief propagation with sparse matrices (scipy.sparse) in Python for LDPC codes. Includes NumPy implementation of message passing (min-sum and sum-product) and a few other decoders.

thadikari

Factor graphs and loopy belief propagation implemented in Python

mbforbes

Clique recycling non-Gaussian (multi-modal) factor graph solver; also see Caesar.jl.

JuliaRobotics

Overview and implementation of Belief Propagation and Loopy Belief Propagation algorithms: sum-product, max-product, max-sum

krashkov

factor graph library

danbar

Playing with Low-density parity-check codes

xdsopl

Implementation of AAAI 21 paper: Nested Named Entity Recognition with Partially Observed TreeCRFs

FranxYao

The FactorGraph package provides the set of different functions to perform inference over the factor graph with continuous or discrete random variables using the belief propagation algorithm.

mcosovic