An Efficient DCT-II Based Harmonic Wavelet Transform for Time-Frequency Analysis.
Pritiranjan KhatuaKailash Chandra RayPublished in: J. Signal Process. Syst. (2022)
Keyphrases
- wavelet transform
- image compression
- image coding
- wavelet packet
- multiresolution
- multiscale
- subband
- discrete cosine transform
- translation invariant
- wavelet decomposition
- wavelet coefficients
- high frequency
- filter bank
- non stationary
- wavelet domain
- transform domain
- frequency domain
- dct coefficients
- wavelet analysis
- multiresolution analysis
- digital images
- feature extraction
- low bit rate
- post processing
- signal analysis
- haar wavelet