Tight Performance Bounds for Compressed Sensing With Conventional and Group Sparsity.
Shashank RanjanMathukumalli VidyasagarPublished in: IEEE Trans. Signal Process. (2019)
Keyphrases
- compressed sensing
- group sparsity
- sparse representation
- lower bound
- dictionary learning
- sparse coding
- upper bound
- image reconstruction
- structured sparsity
- random projections
- compressive sensing
- worst case
- natural images
- image classification
- signal processing
- low rank
- face recognition
- data sets
- dimensionality reduction
- data analysis
- objective function
- multiscale
- support vector