Sparse Representation of Sound Speed Profiles Based on Dictionary Learning.
Sijia SunHangfang ZhaoPublished in: CISP-BMEI (2020)
Keyphrases
- dictionary learning
- sparse representation
- sparse coding
- image super resolution
- face recognition
- group sparsity
- image classification
- dimensionality reduction
- image representation
- random projections
- negative matrix factorization
- reconstruction error
- sparse codes
- compressive sensing
- image patches
- sparsity constraints
- high dimensional data
- signal processing
- neural network
- compressed sensing
- learning algorithm
- test images
- natural images
- principal component analysis