Sparse covariance estimation based on sparse-graph codes.

Ramtin Pedarsani Kangwook Lee Kannan Ramchandran

Published in: Allerton (2015)

Keyphrases

high dimensional
sparse data
random walk
sparse representation
compressive sensing
gaussian graphical models
parameter estimation
compressed sensing
feature extraction
multiscale
bipartite graph
dictionary learning
sparse matrix
regularized regression