Keyphrases
- text retrieval
- information retrieval
- retrieval engine
- document analysis
- multimedia documents
- semantic content
- multimedia search
- cross media
- document indexing
- text extraction
- image database
- document retrieval
- conceptual retrieval
- structured documents
- information retrieval systems
- text mining
- image retrieval
- optical character recognition
- retrieval model
- relevance feedback
- video clips
- keywords
- character recognition
- content extraction
- font recognition
- text indexing
- document image understanding
- handwritten documents
- text collections
- document content
- text queries
- ocr systems
- text information
- video search
- textual information
- low level features
- retrieval systems
- content and structure
- content based retrieval
- multimedia databases
- video collections
- text documents
- document images
- test collection
- web documents
- query expansion
- search engine