Latent fingerprint orientation estimation via sparse representation.
Manhua LiuShuxin LiuPublished in: ICICS (2015)
Keyphrases
- sparse representation
- orientation estimation
- fingerprint images
- sparse coding
- face recognition
- image classification
- negative matrix factorization
- latent variables
- rotation invariant
- image enhancement
- image patches
- high dimensional data
- image representation
- signal processing
- dimensionality reduction
- gabor filters
- low quality
- structure tensor
- feature extraction
- facial images
- input image