Sparse representations for codes and the hardness of decoding LDPC codes.
Nandakishore SanthiPublished in: ISIT (2008)
Keyphrases
- sparse representation
- ldpc codes
- decoding algorithm
- low density parity check
- error correction
- message passing
- sparse coding
- signal processing
- image classification
- face recognition
- joint optimization
- dimensionality reduction
- channel coding
- computational complexity
- high dimensional data
- compressive sensing
- image patches
- noise model
- belief propagation
- non binary
- image transmission
- source coding
- rate allocation
- image compression
- error detection
- markov random field
- forward error correction
- data points
- low dimensional