Localized lossless authentication watermark (LAW).
Mehmet Utku CelikGaurav SharmaA. Murat TekalpEli SaberPublished in: Security and Watermarking of Multimedia Contents (2003)
Keyphrases
- digital watermarking
- image authentication
- semi fragile watermarking
- lossy compression
- watermarking scheme
- semi fragile
- secret image sharing
- watermarking algorithm
- digital images
- copyright protection
- fragile watermarking scheme
- image compression
- integer wavelet transform
- jpeg compression
- watermarking technique
- lossless compression
- image watermarking
- discrete wavelet transform
- biometric authentication
- spread spectrum
- data embedding
- watermarking method
- tamper detection
- data hiding
- fragile watermarking
- digital watermark
- integrity verification
- watermarked image
- watermark detection
- legal reasoning
- image quality
- image processing operations
- multiresolution
- wavelet coefficients
- watermark extraction
- cover image
- watermark embedding
- geometric distortions