Sparse multidimensional modal analysis using a multigrid dictionary refinement.
Souleymen SahnounEl-Hadi DjermouneCharles SoussenDavid BriePublished in: EURASIP J. Adv. Signal Process. (2012)
Keyphrases
- face recognition
- sparse representation
- dictionary learning
- sparse coding
- compressed sensing
- compressive sensing
- sparse approximations
- multiresolution
- multi dimensional
- random projections
- boundary conditions
- multiscale
- image analysis
- orthogonal matching pursuit
- sparse codes
- sparse linear
- computationally expensive
- flow field
- pattern recognition
- data sets
- multidimensional space
- multidimensional data
- high dimensional
- image classification