Keyphrases
- power spectrum
- denoising
- random noise
- anti noise
- wavelet transform
- wavelet coefficients
- multiscale
- singularity detection
- transformed image
- noise model
- gaussian noise
- low frequency
- signal to noise ratio
- additive noise
- denoising algorithm
- noise reduction
- multiresolution analysis
- noisy data
- multiresolution
- noise level
- arbitrary shape
- noise free
- wavelet analysis
- wavelet transformation
- feature extraction