Speech-Stream Detection with Low Signal-to-Noise Ratios Based on Empirical Mode Decomposition and Fourth-Order statistics.
Xueyao LiWu WangRubo ZhangPublished in: IMSCCS (2007)
Keyphrases
- low signal to noise ratio
- fourth order
- empirical mode decomposition
- non stationary
- noise removal
- random noise
- partial differential equations
- image interpolation
- anisotropic diffusion
- high order
- wavelet decomposition
- hilbert huang transform
- multiscale
- intrinsic mode functions
- nonlinear diffusion
- speech signal
- level set