De-noising of rail crack AE signal based on wavelet modulus maxima.
Qiushi HaoYan WangYi ShenXin ZhangPublished in: I2MTC (2015)
Keyphrases
- soft threshold
- modulus maxima
- wavelet analysis
- wavelet transform
- gaussian function
- denoising
- multiresolution
- wavelet domain
- wavelet coefficients
- wavelet packet
- wavelet packet transform
- multiscale
- high frequency
- image compression
- subband
- low frequency
- feature detection
- basis functions
- high speed
- factor analysis
- multi resolution analysis
- feature extraction
- image denoising
- translation invariant
- image processing
- filter bank
- wavelet decomposition
- frequency domain
- denoising methods
- image restoration
- natural images
- signal processing