Are Sparse Representation and Dictionary Learning Good for Handwritten Character Recognition?
Chi Nhan DuongKha Gia QuachTien D. BuiPublished in: ICFHR (2014)
Keyphrases
- handwritten character recognition
- dictionary learning
- sparse representation
- sparse coding
- handwritten characters
- face recognition
- image super resolution
- image classification
- object recognition
- image patches
- group sparsity
- negative matrix factorization
- compressive sensing
- random projections
- compressed sensing
- signal processing
- image representation
- sparse codes
- high dimensional data
- character recognition
- test images
- dimensionality reduction
- single image super resolution
- data sets
- feature extraction
- low resolution
- feature vectors
- sparsity constraints
- feature selection