Non-subsampled Contourlet Transform Based Seismic Signal De-noising.
Yang LiChun YuanYuzhuo ZhongYibo WangPublished in: CSIE (6) (2009)
Keyphrases
- denoising
- contourlet transform
- image denoising
- soft threshold
- seismic data
- signal processing
- wavelet packet
- frequency domain
- denoising methods
- white gaussian noise
- translation invariant
- subband
- image processing
- wavelet decomposition
- wavelet domain
- high frequency
- wavelet transform
- natural images
- multiresolution
- low frequency
- denoising algorithm
- gaussian white noise
- wavelet packet transform
- multiscale
- spatial frequency
- texture retrieval
- wavelet analysis
- compressive sensing
- discrete wavelet transform
- spatial resolution
- generalized gaussian distribution
- compressed sensing
- vibration signal
- frequency band
- signal detection
- texture image retrieval
- original signal
- filter bank
- wavelet coefficients