Adaptive Variable Degree-k Zero-Trees for Re-Encoding of Perceptually Quantized Wavelet-Packet Transformed Audio and High Quality Speech
Omid GhahabiMohammad Hasan SavojiPublished in: CoRR (2011)
Keyphrases
- wavelet packet
- high quality
- audio stream
- space frequency quantization
- audio visual
- filter bank
- denoising
- wavelet packet transform
- audio signals
- broadcast news
- image coding
- audio features
- emotion recognition
- text to speech
- subband
- wavelet function
- visual information
- wavelet transform
- wavelet decomposition
- image quality
- variable length
- automatic speech recognition
- signal processing
- multiresolution
- human visual system
- feature space
- image denoising
- speech recognition
- non stationary
- image classification
- pattern recognition
- face recognition