On the Identifiability of Overcomplete Dictionaries via the Minimisation Principle Underlying K-SVD
Karin SchnassPublished in: CoRR (2013)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- face recognition
- image patches
- image classification
- image representation
- sparse codes
- dimensionality reduction
- signal processing
- high dimensional data
- small image patches
- data sets
- natural images
- joint optimization
- test images
- supervised learning
- high dimensional
- discriminative power
- pattern recognition
- machine learning