Anti-sparse coding for approximate nearest neighbor search.
Hervé JégouTeddy FuronJean-Jacques FuchsPublished in: ICASSP (2012)
Keyphrases
- sparse coding
- approximate nearest neighbor search
- dictionary learning
- nearest neighbor
- natural images
- sparse representation
- linear combination
- hash functions
- nearest neighbor search
- image classification
- unsupervised learning
- metric space
- kd tree
- feature space
- generative model
- discriminative power
- image representation
- high dimensional
- locality sensitive hashing
- image patches
- similarity search
- denoising
- multiscale
- visual words
- bag of words
- data structure
- object recognition
- training set
- input image
- index structure
- neural network
- multiresolution
- small number
- higher order
- computer vision