Multi-mode matrix quantizer for low bit rate LSF quantization.
Ulpu SinervoJani NurminenAri HeikkinenJukka SaarinenPublished in: INTERSPEECH (2003)
Keyphrases
- low bit rate
- entropy coding
- image compression
- bit rate
- coding method
- color quantization
- adaptive quantization
- image coder
- vector quantizer
- vector quantization
- scalar quantization
- distortion measure
- uniform quantization
- bit allocation
- subband
- visual quality
- quantization error
- coded images
- rate distortion
- compression algorithm
- image quality
- video compression
- bitstream
- coding scheme
- video coding
- compression scheme
- quantization scheme
- subband coding
- shape coding
- computational complexity
- transform coding
- coding efficiency
- video quality
- reconstructed image
- compression ratio
- wavelet transform
- blocking artifacts
- image processing
- image coding
- rate control
- quantization noise
- bit plane
- peak signal to noise ratio
- inter frame
- motion vectors
- rate distortion optimization
- discrete cosine transform
- reconstruction error
- lossless compression
- motion compensated
- prediction error
- motion compensation
- video sequences