Compressive Sensing of Electrocardiogram Signals by Promoting Sparsity on the Second-Order Difference and by Using Dictionary Learning.
Jeevan K. PantSridhar KrishnanPublished in: IEEE Trans. Biomed. Circuits Syst. (2014)
Keyphrases
- sparse representation
- compressive sensing
- dictionary learning
- signal reconstruction
- signal processing
- compressive sampling
- sparse coding
- random projections
- sparsity constraints
- face recognition
- group sparsity
- compressed sensing
- image representation
- image patches
- image classification
- single image super resolution
- high dimensional data
- higher order
- dimensionality reduction
- data sets
- structured sparsity
- test images
- orthogonal matching pursuit
- pattern recognition
- image processing
- computer vision