Learning sparse representation using iterative subspace identification.
B. Vikrham GowreesunkerAhmed H. TewfikPublished in: IEEE Trans. Signal Process. (2010)
Keyphrases
- sparse representation
- dictionary learning
- learning algorithm
- subspace learning
- image processing
- high dimensional data
- prior knowledge
- supervised learning
- sparse coding
- multi task
- unsupervised learning
- image representation
- probabilistic model
- bag of words
- learning tasks
- active learning
- random projections
- compressive sensing
- regularized least squares