Image Watermarking in Face Recognition Systems Based on Contourlet Transform.
Ehsan EhsaniM. Shahram MoinFarbod RazzaziPublished in: IIH-MSP (2009)
Keyphrases
- discrete wavelet transform
- jpeg compression
- watermarked image
- face images
- digital watermarking
- face recognition
- digital images
- subband
- high frequency
- multiresolution
- spatial domain
- image fusion
- watermarking scheme
- wavelet domain
- watermarking algorithm
- low frequency
- copyright protection
- feature vectors
- wavelet coefficients
- data hiding
- test images
- geometric distortions
- singular values
- wavelet transform
- watermarking technique
- additive noise
- image denoising
- communication systems
- pattern recognition
- image compression
- filter bank
- singular value decomposition