Improved Wigner-Ville distribution performance based on DCT/DFT harmonic wavelet transform and modified magnitude group delay.
S. V. NarasimhanA. R. HaripriyaB. K. Shreyamsha KumarPublished in: Signal Process. (2008)
Keyphrases
- wavelet transform
- image compression
- discrete cosine transform
- multiresolution
- subband
- discrete fourier transform
- multiscale
- frequency domain
- probability distribution
- transform domain
- low bit rate
- image coding
- multi resolution analysis
- filter bank
- wavelet coefficients
- blocking artifacts
- translation invariant
- wavelet coding