Beyond the Bethe free energy of LDPC codes via polymer expansions.
Nicolas MacrisMarc VuffrayPublished in: ISIT (2012)
Keyphrases
- ldpc codes
- message passing
- free energy
- belief propagation
- decoding algorithm
- error correction
- fixed point
- low density parity check
- approximate inference
- graphical models
- image transmission
- rate allocation
- channel coding
- markov random field
- graph cuts
- pairwise
- loopy belief propagation
- image processing
- energy function
- image compression
- posterior distribution
- upper bound
- lower bound
- computer vision