Approximate nearest neighbors using sparse representations.
Joaquin ZepedaEwa KijakChristine GuillemotPublished in: ICASSP (2010)
Keyphrases
- sparse representation
- approximate nearest neighbor
- nearest neighbor
- high dimensional spaces
- locality sensitive hashing
- high dimensional data
- nearest neighbor search
- dictionary learning
- sparse coding
- dimensionality reduction
- face recognition
- dimensional data
- image classification
- signal processing
- image representation
- image patches
- similarity search
- feature representation
- query point
- hash table
- k nearest neighbor
- data sets
- low dimensional
- brute force
- image processing
- high dimensionality
- multi dimensional
- high dimensional
- multiscale
- machine learning