Subband characteristics of ultrasonic echo envelope.
Wee Soon YeohC. ZhangPublished in: ICARCV (2004)
Keyphrases
- subband
- high frequency
- filter bank
- wavelet transform
- multiresolution
- image compression
- wavelet decomposition
- wavelet coefficients
- feature vectors
- bit rate
- discrete wavelet transform
- subband coding
- frequency domain
- wavelet domain
- low frequency
- low pass
- reconstruction error
- locally adaptive
- frequency band
- subband decomposition
- image coding
- image coder
- wavelet packet
- contourlet transform
- adaptive wavelet
- wavelet coding
- perfect reconstruction
- wavelet transform coefficients
- natural images
- multiscale
- scalar quantization
- energy compaction
- wavelet subbands
- visual quality