Mixed sources localisation using a sparse representation of cumulant vectors.
Ye TianXiaoying SunPublished in: IET Signal Process. (2014)
Keyphrases
- sparse representation
- blind source separation
- blind separation
- dictionary learning
- basis vectors
- negative matrix factorization
- sparse coding
- image classification
- face recognition
- signal processing
- random projections
- image representation
- image patches
- reconstruction error
- compressed sensing
- regularized least squares
- joint optimization
- test images
- norm minimization
- sparse reconstruction
- compressive sensing
- piecewise smooth
- probabilistic graphical models
- sparse approximations
- dimensionality reduction
- independent component analysis
- image reconstruction
- high dimensional data
- model selection
- higher order
- semi supervised
- image data
- probabilistic model
- sparsity constraints
- feature vectors
- multiscale