Text/graphic separation using a sparse representation with multi-learned dictionaries.
Thanh-Ha DoSalvatore TabboneOriol Ramos TerradesPublished in: ICPR (2012)
Keyphrases
- sparse representation
- dictionary learning
- face recognition
- sparse coding
- image classification
- compressed sensing
- compressive sensing
- negative matrix factorization
- reconstruction error
- sparse approximations
- random projections
- joint optimization
- image patches
- piecewise smooth
- signal processing
- high dimensional data
- image representation
- sparse codes
- learned dictionary
- database
- test images
- text documents
- high dimensional
- regularized least squares
- sparsity constraints
- object recognition
- data mining