Blind reliable invisible watermarking method in wavelet domain for face image watermark.
Himanshu AgarwalBalasubramanian RamanIbrahim VenkatPublished in: Multim. Tools Appl. (2015)
Keyphrases
- wavelet domain
- face images
- watermarking method
- watermarking algorithm
- watermark embedding
- face recognition
- spatial domain
- denoising
- wavelet coefficients
- digital watermarking
- discrete wavelet transform
- feature vectors
- wavelet transform
- subband
- multiresolution
- jpeg compression
- copyright protection
- human visual system
- facial expressions
- multiscale
- image denoising
- image watermarking
- wavelet decomposition
- watermarked image
- low resolution
- watermarking scheme
- principal component analysis
- input image
- high resolution
- high frequency
- spread spectrum
- feature extraction
- watermark detection
- test images
- lossy compression
- training set
- transform domain
- additive noise
- dct coefficients
- jpeg images
- frequency domain
- watermarking technique
- noisy images
- image compression
- image sequences
- data hiding
- image processing
- signal processing
- high quality