A new collision resistant hash function based on optimum dimensionality reduction using Walsh-Hadamard transform.
Barzan MozafariMohammad Hasan SavojiPublished in: ICIT (2006)
Keyphrases
- hash functions
- dimensionality reduction
- walsh hadamard transform
- sliding window
- similarity search
- high dimensional
- high dimensional data
- principal component analysis
- data points
- low dimensional
- data distribution
- feature extraction
- data streams
- feature selection
- pattern recognition
- hash table
- hashing algorithm
- nearest neighbor search
- feature space
- hamming distance
- hash tables
- data sets
- binary codes
- locality sensitive hashing
- multiresolution
- hashing methods