Watermark technique using frequency domain.
C. M. KungJyh-Horng JengTrieu-Kien TruongPublished in: DSP (2002)
Keyphrases
- frequency domain
- spatial domain
- fourier transform
- digital images
- watermarking algorithm
- discrete cosine transformation
- watermarked image
- watermarking scheme
- cross correlation
- transform domain
- wavelet domain
- power spectrum
- frequency analysis
- denoising
- low frequency
- subband
- spread spectrum
- copyright protection
- audio signal
- digital watermarking
- feature extraction
- jpeg compression
- dct domain
- watermarking technique
- geometric distortions
- low pass
- frequency domain analysis
- image watermarking
- power spectral
- spectrum analysis
- digital watermark
- fourier analysis
- watermark embedding
- frequency response
- image processing operations
- filter bank
- dct coefficients
- feature selection
- watermark detection
- data hiding
- fast fourier transform
- discrete fourier transform