A framework based on Optimal Transport (OT) with posterior probability for the computation of Information Bottleneck (IB) problem.
The Generalized Alternating Sinkhorn (GAS) algorithm is presented in "Information Bottleneck Revisited: Posterior Probability Perspective with Optimal Transport" https://ieeexplore.ieee.org/abstract/document/10206826
https://github.com/wushitong1234/CommOT.git (AS in CommOT)
https://github.com/wushitong1234/Constrained-BA.git (CBA)
IB_OT_main for the OT version, corresponding to RD.
CBA_IB_RI for the CBA version, corresponding to RD.
CBA_IB_IR for the CBA version, corresponding to DR.