Efficient voice activity detection algorithm based on sub-band temporal envelope and sub-band long-term signal variability.
Bin LiuJianhua TaoFuyuan MoYa LiZhengqi WenShanfeng LiuPublished in: ISCSLP (2014)
Keyphrases
- subband
- detection algorithm
- high frequency
- frequency domain
- long term
- filter bank
- low frequency
- image compression
- discrete wavelet transform
- wavelet transform
- wavelet packet
- multiresolution
- bit rate
- wavelet coefficients
- wavelet decomposition
- detection method
- feature vectors
- perfect reconstruction
- low pass
- detection rate
- motion detection
- high pass
- detection accuracy
- wavelet domain
- feature detection
- generalized gaussian distribution
- wavelet packet decomposition
- frequency band
- corner detection
- spatial domain
- locally adaptive
- bandpass
- contourlet transform
- signal processing
- moving objects
- machine learning
- wavelet subbands
- image segmentation
- three dimensional
- lifting scheme
- multiscale
- image quality
- face detection
- spatial information