On a nonlocal spectrogram for denoising one-dimensional signals.
Gonzalo Galiano CasasJulián Velasco ValdésPublished in: Appl. Math. Comput. (2014)
Keyphrases
- denoising
- image denoising
- soft threshold
- gaussian white noise
- short time fourier transform
- single channel
- denoising algorithm
- total variation
- image processing
- noisy images
- natural images
- wavelet domain
- wiener filter
- source separation
- signal processing
- nonlocal means
- multi dimensional
- frequency domain
- gaussian noise
- noise removal
- pattern analysis
- multi channel
- wavelet denoising
- noise model
- spectral analysis
- denoising methods
- independent component analysis
- wavelet packet
- nl means
- speech signal
- high resolution
- computer vision