A Non-Blind Watermarking Scheme for Gray Scale Images in Discrete Wavelet Transform Domain using Two Subbands
Abdur Rahman Bin ShahidShahriar BadshaMd. Rethwan KabeerJunaid AhsanMufti MahmudPublished in: CoRR (2012)
Keyphrases
- gray scale images
- transform domain
- transform coefficients
- watermarking scheme
- robust watermarking scheme
- spatial domain
- spread spectrum
- gray scale
- wavelet domain
- watermark extraction
- blind watermarking
- subband
- binary images
- color images
- frequency domain
- wavelet transform
- bit rate
- image compression
- watermarking algorithm
- multiresolution
- watermark embedding
- discrete cosine transform
- macroblock
- digital watermarking
- wavelet decomposition
- wavelet coefficients
- filter bank
- dct domain
- transform coding
- image authentication
- motion estimation
- image sequences
- copyright protection
- dct coefficients
- data hiding
- error correction
- discrete wavelet transform
- feature vectors
- high frequency
- jpeg compression
- geometric distortions
- image blocks
- additive noise
- low frequency