Face recognition in low-quality images using adaptive sparse representations.
Daniel HeinsohnEsteban VillalobosLoreto PrietoDomingo MeryPublished in: Image Vis. Comput. (2019)
Keyphrases
- sparse representation
- face recognition
- low quality images
- dictionary learning
- sparse coding
- image patches
- low resolution
- face images
- image classification
- compressive sensing
- joint optimization
- negative matrix factorization
- object tracking
- compressed sensing
- subspace learning
- high dimensional data
- principal component analysis
- low quality
- signal processing
- linear discriminant analysis
- random projections
- sparse reconstruction
- computer vision
- feature extraction
- dimensionality reduction
- feature representation
- manifold learning
- regularized least squares
- sparse representation based classification
- decision trees
- local binary pattern
- data mining
- pattern recognition
- sparse learning
- high resolution