Corpus ID: 15800479

Fixing Max-Product: Convergent Message Passing Algorithms for MAP LP-Relaxations

@inproceedings{Globerson2007FixingMC,
  title={Fixing Max-Product: Convergent Message Passing Algorithms for MAP LP-Relaxations},
  author={A. Globerson and T. Jaakkola},
  booktitle={NIPS},
  year={2007}
}
We present a novel message passing algorithm for approximating the MAP problem in graphical models. The algorithm is similar in structure to max-product but unlike max-product it always converges, and can be proven to find the exact MAP solution in various settings. The algorithm is derived via block coordinate descent in a dual of the LP relaxation of MAP, but does not require any tunable parameters such as step size or tree weights. We also describe a generalization of the method to cluster… Expand
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