A New Scheme for Dual Watermarking using DWT-PCA Technique.
Marzieh AminiKhashayar YaghmaieHamidreza SadreazamiPublished in: IMAGAPP/IVAPP (2010)
Keyphrases
- geometric attacks
- image watermarking
- principal component analysis
- digital watermarking
- digital image watermarking scheme
- image authentication
- discrete wavelet transform
- watermarking scheme
- principal components analysis
- jpeg compression
- principal components
- multiresolution
- fragile watermarking scheme
- spread spectrum
- copyright protection
- watermarking technique
- digital images
- dimensionality reduction
- digital image watermarking
- video watermarking
- data hiding
- watermarking algorithm
- independent component analysis
- fragile watermarking
- feature extraction
- face recognition
- lossy compression
- face images
- authentication scheme
- feature vectors