A New Watermarking Algorithm for Scanned Grey PDF Files Using Robust Logo and Hash Function.
Walid AlakkHussain Al-AhmadPublished in: BCS International IT Conferenc (2014)
Keyphrases
- watermarking algorithm
- hash functions
- image watermarking
- integer wavelet transform
- pdf files
- jpeg compression
- geometric attacks
- wavelet domain
- watermarking technique
- watermarking scheme
- signal processing
- copyright protection
- watermarking method
- data analysis
- spread spectrum
- similarity search
- multiresolution
- databases
- secret key
- image authentication
- visual features