Self-Explanatory Convex Sparse Representation for Image Classification.
Bao-Di LiuYu-Xiong WangBin ShenYu-Jin ZhangYanjiang WangWeifeng LiuPublished in: SMC (2013)
Keyphrases
- sparse representation
- image classification
- dictionary learning
- image representation
- sparse coding
- bag of words
- feature extraction
- multi label
- joint optimization
- compressive sensing
- random projections
- image features
- convex relaxation
- image patches
- convex optimization
- reconstruction error
- sparse approximations
- convex hull
- visual words
- compressed sensing
- sparse reconstruction
- negative matrix factorization
- face recognition
- piecewise smooth
- regularized least squares
- text classification
- pattern recognition
- sparsity constraints
- sparse codes
- decision trees
- computer vision