Smooth non-negative sparse representation for face and handwritten recognition.
Aboozar GhaffariMahdi KafaeeVahid AbolghasemiPublished in: Appl. Soft Comput. (2021)
Keyphrases
- sparse representation
- recognition algorithm
- dictionary learning
- character recognition
- face recognition
- piecewise smooth
- sparse coding
- handwritten characters
- numeral strings
- image classification
- word recognition
- illumination variations
- face recognition systems
- handwriting recognition
- face images
- object recognition
- face recognition algorithms
- human faces
- joint optimization
- object tracking
- signal processing
- dimensionality reduction
- random projections
- compressed sensing
- image representation
- compressive sensing
- test images
- pattern recognition
- feature extraction
- negative matrix factorization
- handwritten words
- computer vision
- image patches
- machine learning
- sparse approximations
- high dimensional data
- probabilistic model
- regularized least squares
- video sequences
- sparse reconstruction
- sparse coefficients