Robust Watermarking in Multiresolution Walsh-Hadamard Transform
Gaurav BhatnagarBalasubramanian RamanPublished in: CoRR (2009)
Keyphrases
- multiresolution
- robust watermarking
- walsh hadamard transform
- sliding window
- copyright protection
- high capacity
- wavelet transform
- data streams
- image watermarking
- wavelet coefficients
- subband
- discrete wavelet transform
- quadtree
- coarse to fine
- image fusion
- digital images
- low frequency
- communication networks
- multimedia data
- high frequency