Near-optimal phase retrieval of sparse vectors.
Afonso S. BandeiraDustin G. MixonPublished in: CoRR (2013)
Keyphrases
- image database
- query expansion
- high dimensional
- information retrieval systems
- sparse data
- information retrieval
- image retrieval
- retrieval model
- efficient retrieval
- relevance feedback
- retrieval systems
- vector space
- retrieval accuracy
- structured documents
- preprocessing phase
- sparse matrix
- query formulation
- content based retrieval
- multimedia databases
- sparse coding
- case based reasoning
- learning algorithm