Robust Image Classification via Low-Rank Double Dictionary Learning.
Yi RongShengwu XiongYongsheng GaoPublished in: MMM (1) (2017)
Keyphrases
- dictionary learning
- low rank
- group sparsity
- image classification
- sparse coding
- sparse representation
- sparsity constraints
- rank minimization
- low rank matrix
- linear combination
- missing data
- image representation
- convex optimization
- matrix factorization
- semi supervised
- high dimensional data
- singular value decomposition
- norm minimization
- structured sparsity
- bag of words
- matrix completion
- feature extraction
- multiscale
- visual words
- natural images
- negative matrix factorization
- training set
- pairwise
- high dimensional
- feature space
- computer vision
- recommender systems
- collaborative filtering
- face recognition