A new logo watermarking based on redundant fractional wavelet transform.
Gaurav BhatnagarQ. M. Jonathan WuPublished in: Math. Comput. Model. (2013)
Keyphrases
- wavelet transform
- multiresolution
- image coding
- wavelet coefficients
- multiscale
- wavelet domain
- image compression
- subband
- watermarking algorithm
- watermarking scheme
- copyright protection
- low frequency
- digital images
- high frequency
- feature extraction
- wavelet analysis
- hurst exponent
- fragile watermarking
- multiresolution analysis
- spread spectrum
- wavelet filters
- translation invariant
- digital watermarking
- image watermarking
- multiresolution representation
- highly redundant
- data hiding
- lifting scheme
- watermarking method
- fractional order
- multi resolution analysis
- watermark embedding
- image processing operations
- haar wavelet