General image classification based on sparse representation.
Yuanyuan ZuoBo ZhangPublished in: IEEE ICCI (2010)
Keyphrases
- sparse representation
- image classification
- sparse coding
- dictionary learning
- image representation
- reconstruction error
- bag of words
- compressed sensing
- sparse codes
- joint optimization
- compressive sensing
- image patches
- negative matrix factorization
- sparsity constraints
- sparse approximations
- high dimensional data
- object tracking
- regularized least squares
- test images
- piecewise smooth
- feature extraction
- sparse reconstruction
- image features
- visual words
- random projections
- dimensionality reduction
- natural images
- higher order
- co occurrence
- low dimensional
- small number
- probabilistic model
- sparse learning
- image reconstruction
- object recognition
- sparse coefficients
- data sets