Hierarchical topic organization and visual presentation of spoken documents using probabilistic latent semantic analysis (PLSA) for efficient retrieval/browsing applications.
Te-Hsuan LiMing-Han LeeBerlin ChenLin-Shan LeePublished in: INTERSPEECH (2005)
Keyphrases
- probabilistic latent semantic analysis
- efficient retrieval
- visual features
- latent dirichlet allocation
- topic models
- multimedia
- topic modeling
- latent semantic
- co occurrence
- latent topics
- multimedia databases
- content based retrieval
- probabilistic model
- multimedia data
- image classification
- visual content
- latent variables
- keywords
- latent semantic analysis
- low level
- image collections
- data mining
- negative matrix factorization
- image retrieval
- generative model
- em algorithm
- text mining
- natural language processing
- information extraction
- expectation maximization
- web pages