Steganographic band width extension for the AMR codec of low-bit-rate modes.
Akira NishimuraPublished in: INTERSPEECH (2009)
Keyphrases
- low bit rate
- image compression
- bit rate
- video codec
- video compression
- jpeg images
- visual quality
- image quality
- coding method
- compression algorithm
- video coding scheme
- video conferencing
- bit plane
- rate distortion optimized
- video coding
- adaptive quantization
- spatial domain
- intra prediction
- motion compensation
- image codec
- motion compensated
- compression ratio
- discrete cosine transform
- image sequences
- inter frame
- human visual system
- subband
- high quality