Audio watermarking technique in frequency domain: comparative study MDCT Vs DCT.
Maha BellaajKaiotas OuniPublished in: Multim. Tools Appl. (2020)
Keyphrases
- discrete wavelet transform
- comparative study
- frequency domain
- digital watermarking
- spatial domain
- wavelet domain
- watermarking technique
- low frequency
- audio signal
- subband
- data hiding
- digital watermark
- watermarking algorithm
- image watermarking
- discrete cosine transformation
- dct domain
- transform domain
- watermark detection
- jpeg compression
- filter bank
- dct coefficients
- watermarked image
- discrete cosine transform
- multimedia
- image authentication
- spread spectrum
- denoising
- copyright protection
- wavelet transform
- digital images
- feature extraction
- watermarking scheme
- geometric distortions
- lossy compression
- signal processing
- visual information
- digital libraries
- jpeg images
- image processing