On the sample complexity of sparse dictionary learning.
Matthias SeibertMartin KleinsteuberRémi GribonvalRodolphe JenattonFrancis R. BachPublished in: SSP (2014)
Keyphrases
- dictionary learning
- sparse representation
- sparse coding
- image super resolution
- group sparsity
- sparsity constraints
- natural images
- object category recognition
- sparse codes
- image classification
- dictionary learning for sparse
- linear combination
- unsupervised learning
- image patches
- negative matrix factorization
- dimensionality reduction
- face recognition
- sparse representation based classification
- signal processing
- high dimensional
- multiscale
- image segmentation
- neural network