When Can Dictionary Learning Uniquely Recover Sparse Data From Subsamples?
Christopher J. HillarFriedrich T. SommerPublished in: IEEE Trans. Inf. Theory (2015)
Keyphrases
- sparse data
- dictionary learning
- sparse representation
- sparse coding
- high dimensional
- random projections
- pattern recognition
- data cube
- image representation
- low dimensional
- signal processing
- multi dimensional
- image patches
- generative model
- image classification
- data sets
- dimensionality reduction
- data warehouse
- nearest neighbor
- image features
- prior knowledge
- feature vectors
- image segmentation
- image processing
- data mining