Watermarks and Text Transformations in Visual Document Authentication.
Igor FischerThorsten HerfetPublished in: J. Comput. (2007)
Keyphrases
- text documents
- image authentication
- information retrieval
- keywords
- digital watermarking
- document processing
- digital documents
- web documents
- textual content
- document analysis
- semi fragile watermarking
- text content
- printed documents
- multimedia documents
- semantic information
- digital images
- document content
- scientific documents
- information retrieval systems
- integrity verification
- document images
- automatic text summarization
- electronic documents
- visual features
- visual information
- watermarking scheme
- semantic labels
- latent semantic analysis
- document structure
- semantic content
- document corpus
- text corpus
- text retrieval
- structured documents
- digital libraries
- text mining
- document set
- text collections
- text summarization
- document clustering
- copyright protection
- web pages
- retrieval systems
- web images
- text lines
- relevant documents
- topic models
- scientific papers
- wordnet
- signal processing
- jpeg compression
- information extraction
- news video