Combining DWT and LSB watermarking to secure revocable iris templates.
Marwa FouadAbdulmotaleb El-SaddikEmil M. PetriuPublished in: ISSPA (2010)
Keyphrases
- image authentication
- image watermarking
- digital images
- digital watermarking
- data hiding
- jpeg compression
- least significant bit
- authentication scheme
- discrete wavelet transform
- watermarking algorithm
- geometric attacks
- iris recognition
- digital signature
- watermarking technique
- multiresolution
- low frequency
- wavelet transform
- public key
- copyright protection
- spread spectrum
- watermarking scheme
- hidden information
- wavelet coefficients
- additive noise
- lossy compression
- error correction
- spatial domain
- feature extraction