Detection of seal and signature entities with hierarchical recovery based on watermark self embedding in tampered digital documents.
Priyanka SinghBalasubramanian RamanPartha Pratim RoyPublished in: Displays (2018)
Keyphrases
- watermark embedding
- digital documents
- watermark detection
- digital images
- copyright protection
- watermarking algorithm
- jpeg compression
- watermarking scheme
- spread spectrum
- tampering detection
- robust image watermarking
- watermarking technique
- image authentication
- image watermarking
- digital watermarking
- watermarked image
- wavelet domain
- human visual system
- digital libraries
- forgery detection
- spatial domain
- databases
- information hiding
- database
- data management
- watermarking method
- search engine
- multimedia content