Steganography in vector quantization process of linear predictive coding for low-bit-rate speech codec.
Peng LiuSongbin LiHaiqiang WangPublished in: Multim. Syst. (2017)
Keyphrases
- vector quantization
- low bit rate
- image compression
- video coding scheme
- speaker recognition
- video codec
- compression algorithm
- image quality
- subband
- distortion measure
- bit allocation
- visual quality
- vector quantizer
- reconstructed image
- wavelet transform
- coding method
- image processing
- compressed images
- video coding
- bit rate
- video compression
- video conferencing
- motion compensation
- image coder
- high quality