A Document Descriptor Extractor Based on Relevant Expressions.
Joaquim Ferreira da SilvaGabriel Pereira LopesPublished in: EPIA (2009)
Keyphrases
- information retrieval
- natural language
- information retrieval systems
- text documents
- document images
- web documents
- computer vision
- vector space model
- document retrieval
- retrieval systems
- document collections
- object recognition
- keywords
- action recognition
- user queries
- facial expressions
- image retrieval
- feature descriptors
- clustering algorithm
- tf idf
- relevant content