A perceptual hashing algorithm using latent dirichlet allocation.
Nicholas VretosNikos NikolaidisIoannis PitasPublished in: ICME (2009)
Keyphrases
- latent dirichlet allocation
- hashing algorithm
- topic models
- hash functions
- topic modeling
- generative model
- latent topics
- topic discovery
- lda model
- variational inference
- gibbs sampling
- variational bayesian inference
- text mining
- latent topic models
- probabilistic latent semantic analysis
- hierarchical bayesian model
- co occurrence
- word counts
- machine learning
- data distribution
- similarity search
- hierarchical bayesian
- information extraction
- query processing