Latent Fingerprint Enhancement Based on Orientation Guided Sparse Representation.
Kaifeng WeiManhua LiuPublished in: CCBR (2016)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- face recognition
- reconstruction error
- image classification
- compressive sensing
- joint optimization
- compressed sensing
- latent variables
- high dimensional data
- signal processing
- negative matrix factorization
- random projections
- image representation
- image patches
- sparse reconstruction
- sparse approximations
- piecewise smooth
- regularized least squares
- dimensionality reduction
- natural images
- training data