Fingerprint Compression Based on Sparse Representation.
Guangqi ShaoYanping WuA. YongXiao LiuTiande GuoPublished in: IEEE Trans. Image Process. (2014)
Keyphrases
- sparse representation
- dictionary learning
- face recognition
- sparse coding
- image classification
- compressed sensing
- random projections
- negative matrix factorization
- sparse approximations
- compressive sensing
- image patches
- regularized least squares
- image compression
- reconstruction error
- joint optimization
- compression ratio
- signal processing
- dimensionality reduction
- test images
- high dimensional data
- image representation
- piecewise smooth
- high dimensional
- sparsity constraints
- sparse reconstruction
- sparse codes
- face images
- norm minimization
- feature extraction