Low-Rank Sparse Coding for Image Classification.
Tianzhu ZhangBernard GhanemSi LiuChangsheng XuNarendra AhujaPublished in: ICCV (2013)
Keyphrases
- sparse coding
- image classification
- low rank
- linear combination
- group sparsity
- dictionary learning
- convex optimization
- matrix factorization
- image representation
- sparse representation
- missing data
- matrix completion
- singular value decomposition
- bag of words
- high dimensional data
- semi supervised
- kernel matrix
- feature extraction
- high order
- visual words
- image features
- reconstruction error
- sparsity constraints
- natural images
- collaborative filtering
- higher order
- robust face recognition
- high resolution
- feature space
- visual categorization
- face recognition