Sparse Representation of Electrodermal Activity With Knowledge-Driven Dictionaries.
Theodora ChaspariAndreas TsiartasLeah I. SteinSharon A. CermakShrikanth S. NarayananPublished in: IEEE Trans. Biomed. Eng. (2015)
Keyphrases
- sparse representation
- knowledge driven
- dictionary learning
- sparse coding
- face recognition
- image classification
- image representation
- microarray
- compressive sensing
- compressed sensing
- signal processing
- high dimensional data
- regularized least squares
- learned dictionary
- sparse approximations
- object tracking
- random projections
- image patches
- joint optimization
- sparsity constraints
- high throughput
- test images
- sparse codes
- training set
- machine learning