Blind speech watermarking using hybrid scheme based on DWT/DCT and sub-sampling.
Ahmed MerradSlami SaadiPublished in: Multim. Tools Appl. (2018)
Keyphrases
- digital image watermarking scheme
- watermark extraction
- jpeg compression
- image watermarking
- image authentication
- watermarking scheme
- digital watermarking
- digital watermark
- watermark detection
- geometric attacks
- watermarking algorithm
- discrete wavelet transform
- discrete cosine transform
- watermark embedding
- copyright protection
- digital images
- spread spectrum
- sampling algorithm
- image compression
- multiresolution
- speech recognition
- watermarking technique
- lossy compression
- high frequency
- digital image watermarking
- jpeg images
- watermarking method
- motion estimation
- hidden markov models
- information hiding
- geometric distortions
- data hiding
- transform domain
- speech signal
- wavelet domain
- wavelet coefficients
- subband
- image quality