A Frequency-Domain Approach to Watermarking 3D Shapes.
Ryutarou OhbuchiAkio MukaiyamaShigeo TakahashiPublished in: Comput. Graph. Forum (2002)
Keyphrases
- frequency domain
- spatial domain
- fourier transform
- cross correlation
- power spectrum
- denoising
- low frequency
- digital images
- feature extraction
- copyright protection
- data hiding
- frequency domain analysis
- fourier domain
- discrete fourier transform
- image processing
- spread spectrum
- phase correlation
- digital watermarking
- watermarking scheme
- subband
- power spectral
- watermarking algorithm
- affine invariance
- spectrum analysis
- frequency analysis
- frequency response
- fourier analysis
- image authentication
- audio signal
- shape representation
- image processing operations
- wavelet domain
- power spectra
- facial asymmetry
- directional filtering
- image watermarking