Parallel Watermarking of Images in the Frequency Domain.
Dorothy BollmanAlcibiades BustilloEinstein MoralesPublished in: Scalable Comput. Pract. Exp. (2015)
Keyphrases
- frequency domain
- cross correlation
- fourier domain
- fourier transform
- log polar
- spatial domain
- power spectrum
- spectral domain
- power spectra
- fourier analysis
- phase correlation
- image data
- input image
- low frequency
- bandpass
- discrete fourier transform
- directional filtering
- image registration
- affine invariance
- feature extraction
- edge detection
- denoising
- digital images
- similarity measure
- gabor filters
- subband
- natural images
- image processing operations
- multiscale
- spectrum analysis
- copyright protection
- feature space
- spectral signatures