Low bit-rate voice compression based on frequency domain interpolative techniques.
Udaya BhaskarKumar SwaminathanPublished in: IEEE Trans. Speech Audio Process. (2006)
Keyphrases
- low bit rate
- frequency domain
- image compression
- vector quantization
- subband
- compression algorithm
- compression ratio
- discrete cosine transformation
- spatial domain
- lossy compression
- fourier transform
- shape coding
- adaptive quantization
- filter bank
- bit rate
- wavelet transform
- image quality
- data compression
- coded images
- video compression
- reconstructed image
- denoising
- feature extraction
- blocking artifacts
- image coder
- high frequency
- visual quality
- compressed images
- wavelet coefficients
- image processing
- jpeg images
- coding method
- discrete cosine transform
- transform domain
- video conferencing
- video encoder
- video quality
- multiscale
- phase correlation
- rate distortion
- high quality
- face recognition