Toward semantic attributes in dictionary learning and non-negative matrix factorization.
Mohammadreza BabaeeThomas WolfGerhard RigollPublished in: Pattern Recognit. Lett. (2016)
Keyphrases
- negative matrix factorization
- dictionary learning
- sparse representation
- sparse coding
- nonnegative matrix factorization
- image classification
- face recognition
- image representation
- sparsity constraints
- high dimensional data
- image patches
- dimensionality reduction
- test images
- low level features
- signal processing
- matrix factorization
- learning algorithm
- higher order
- prior knowledge
- data sets
- machine learning