Fast Low-rank Shared Dictionary Learning for Image Classification.
Tiep Huu VuVishal MongaPublished in: CoRR (2016)
Keyphrases
- dictionary learning
- image classification
- low rank
- sparse coding
- group sparsity
- sparse representation
- linear combination
- sparsity constraints
- convex optimization
- image representation
- matrix factorization
- missing data
- semi supervised
- high dimensional data
- singular value decomposition
- visual words
- bag of words
- image features
- high order
- feature extraction
- image patches
- data sets
- multi label
- neural network
- image segmentation
- data mining
- visual categorization
- feature space
- test images
- action recognition
- unsupervised learning
- multiscale
- collaborative filtering
- active learning