An Authentication Technique in Frequency Domain through Wavelet Transform (ATFDWT)
Madhumita SenguptaJ. K. MandalNabin GhoshalPublished in: CoRR (2012)
Keyphrases
- frequency domain
- wavelet transform
- subband
- low frequency
- feature extraction
- multiresolution
- image coding
- fourier transform
- spatial domain
- wavelet coefficients
- image compression
- filter bank
- wavelet decomposition
- multiscale
- high frequency
- power spectrum
- discrete wavelet transform
- cross correlation
- low pass
- wavelet domain
- digital watermarking
- fourier domain
- denoising
- power spectra
- frequency analysis
- frequency domain analysis
- frequency response
- spectrum analysis
- power spectral
- wavelet packet
- phase correlation
- fourier analysis
- bit rate
- frequency spectrum
- image processing
- computer vision
- frequency band
- bandpass
- image data
- high quality