Improved wavelet threshold function for reducing pipeline leakage signal noise.
Xue SunHongliang ZhaoChangzhe HouPublished in: EITCE (2022)
Keyphrases
- stochastic resonance
- power spectrum
- impulse response
- original signal
- wavelet analysis
- random noise
- additive noise
- response function
- wavelet frame
- signal detection
- denoising
- wide band
- denoising methods
- frequency domain
- transformed image
- low frequency
- received signal
- wavelet transform
- low snr
- low signal to noise ratio
- noisy environments
- soft threshold
- high frequency
- contrast enhancement
- noise reduction
- mexican hat
- wiener filter
- signal dependent
- wavelet packet transform
- noise variance
- image enhancement
- signal to noise ratio
- noise model
- noise removal
- signal processing
- noise level
- biomedical signals
- vibration signal
- denoising algorithm
- bandpass
- multiresolution
- multiplicative noise
- band limited
- white noise
- wavelet coefficients
- weak signal
- singularity detection