Highly robust hybrid image watermarking approach using Tchebichef transform with secured PCA and CAT encryption.
Rabeah NoorAhmed KhanAaliya SarfarazZahid MehmoodAdnan Mustafa CheemaPublished in: Soft Comput. (2019)
Keyphrases
- highly robust
- image watermarking
- principal component analysis
- jpeg compression
- partial occlusion
- geometric distortions
- copyright protection
- watermarking algorithm
- discrete wavelet transform
- feature extraction
- dimensionality reduction
- face recognition
- additive noise
- digital watermarking
- face images
- digital images
- watermarking technique
- multiresolution
- high dimensional
- multiscale