Anti-sparse coding for approximate nearest neighbor search
Hervé JégouTeddy FuronJean-Jacques FuchsPublished in: CoRR (2011)
Keyphrases
- sparse coding
- approximate nearest neighbor search
- nearest neighbor
- dictionary learning
- natural images
- sparse representation
- hash functions
- linear combination
- image classification
- nearest neighbor search
- metric space
- kd tree
- image representation
- generative model
- unsupervised learning
- high dimensional
- feature space
- discriminative power
- image patches
- locality sensitive hashing
- high dimensional data
- visual words
- knn
- data structure
- face recognition
- low dimensional
- higher order
- denoising
- training set
- computational complexity
- pattern recognition