Authenticating Binary Text Documents Using a Localising OMAC Watermark Robust to Printing and Scanning.
Chris CulnaneHelen TreharneAnthony T. S. HoPublished in: IWDW (2007)
Keyphrases
- text documents
- text mining
- text categorization
- text classification
- document classification
- information extraction
- topic models
- image watermarking
- keywords
- wordnet
- text data
- document clustering
- geometric distortions
- watermarking scheme
- digital images
- named entities
- watermarking method
- feature selection
- automatic text categorization
- search engine
- text collections
- knowledge discovery
- bag of words
- n gram
- machine learning