A very efficient low-bit-rate subband image/video codec using shift-only PR-QMF and zero-zone linear quantizers.
Cesar A. GonzalesAli N. AkansuPublished in: ICASSP (1997)
Keyphrases
- subband
- low bit rate
- bit rate
- image compression
- video codec
- coded images
- transform coefficients
- video coding
- filter bank
- visual quality
- rate distortion
- high frequency
- video quality
- wavelet transform
- image coder
- frequency domain
- vector quantization
- wavelet coefficients
- image quality
- bitstream
- image data
- compression algorithm
- bit allocation
- reconstructed image
- entropy coding
- multiscale
- transform domain
- macroblock
- inter frame
- computational complexity
- video compression
- compression ratio
- coding efficiency
- subband coding
- coding method
- motion compensation
- image classification
- multiresolution
- scalar quantization
- rate control
- discrete cosine transform
- motion vectors
- prediction error
- image representation
- image segmentation
- motion compensated
- image coding
- similarity measure
- quality assessment
- feature vectors
- transform coding
- feature extraction
- image processing