Semi-fragile watermarking for text document images authentication.
Huijuan YangAlex C. KotJun LiuPublished in: ISCAS (4) (2005)
Keyphrases
- document images
- semi fragile watermarking
- document analysis
- printed documents
- document processing
- page layout
- scanned document images
- printed text
- text lines
- image authentication
- historical documents
- scanned documents
- mathematical formulas
- document image analysis
- indian languages
- handwritten documents
- optical character recognition
- line extraction
- character recognition
- document image retrieval
- watermarking scheme
- gaussian mixture model
- digital images
- image processing