4 kb/s improved CELP coder with efficient vector quantization.
Kazunori OzawaToshiki MiyanoPublished in: ICASSP (1991)
Keyphrases
- vector quantization
- image compression
- vector quantizer
- distortion measure
- fractal image compression
- entropy constrained
- reduced complexity
- speaker recognition
- scalar quantization
- image coding
- wavelet transform
- joint source and channel coding
- codebook design
- image sequences
- multiscale
- input vector
- transform coding
- fractal image coding
- neural gas
- low complexity
- feature extraction