Message-Passing Decoding of Lattices Using Gaussian Mixtures
Brian M. KurkoskiJustin DauwelsPublished in: CoRR (2008)
Keyphrases
- message passing
- gaussian mixture
- ldpc codes
- belief propagation
- em algorithm
- distributed systems
- decoding algorithm
- low density parity check
- probabilistic inference
- probability density function
- expectation maximization
- closed form
- covariance matrix
- gaussian mixture model
- inference in graphical models
- mixture model
- density estimation
- shared memory
- sum product
- sum product algorithm
- markov random field
- maximum likelihood
- higher order
- probabilistic model
- parameter estimation
- graphical models
- image patches
- pairwise
- objective function
- image segmentation
- graph cuts
- computer vision