A Quantified Audio Watermarking Algorithm Based on DWT-DCT.
Li DeYingying JiJongWeon KimPublished in: FGIT-MulGraB (2) (2011)
Keyphrases
- watermarking algorithm
- jpeg compression
- dct coefficients
- image watermarking
- signal processing
- digital watermark
- watermark detection
- jpeg images
- wavelet domain
- digital watermarking
- lossy compression
- discrete wavelet transform
- geometric attacks
- dct domain
- discrete cosine transform
- spatial domain
- spread spectrum
- watermarking scheme
- copyright protection
- image authentication
- geometric distortions
- semi fragile
- multimedia
- digital image watermarking
- watermarking technique
- wavelet coefficients
- transform domain
- image processing
- filter bank
- wavelet transform
- watermarked image
- visual information
- image compression
- multiresolution
- pattern recognition
- multiscale
- frequency domain
- image blocks
- motion estimation
- computational complexity
- watermarking method
- similarity measure