Robust Reference-Watermarking Scheme Using Wavelet Packet Transform and Bidiagonal-Singular Value Decomposition.
Gaurav BhatnagarBalasubramanian RamanPublished in: Int. J. Image Graph. (2009)
Keyphrases
- singular value decomposition
- watermarking scheme
- wavelet packet transform
- watermarking algorithm
- watermarking technique
- singular values
- least squares
- dimensionality reduction
- error correction
- wavelet packet
- wavelet coefficients
- wavelet transform
- low rank
- principal component analysis
- signal processing
- neural network
- subband
- image processing