DWT-based technique for spatio-frequency masking of digital signatures.
Mauro BarniFranco BartoliniVito CappelliniAlessandro LippiAlessandro PivaPublished in: Security and Watermarking of Multimedia Contents (1999)
Keyphrases
- digital signature
- digital watermarking
- low frequency
- discrete wavelet transform
- public key
- smart card
- high frequency
- multiresolution
- signature scheme
- security mechanisms
- digital images
- human visual system
- key management
- data integrity
- watermarking scheme
- elliptic curve
- subband
- database
- wavelet domain
- frequency domain
- operating system
- copyright protection
- wavelet transform
- watermarking algorithm
- jpeg compression
- lightweight
- image compression