Frequency Domain Based Approach for Denoising of Underwater Acoustic Signal Using EMD.
Vijayabaskar VeeraiyanRajendran VelayuthamMathews M. PhilipPublished in: J. Intell. Syst. (2013)
Keyphrases
- frequency domain
- denoising
- acoustic signal
- acoustic signals
- spatial domain
- image denoising
- fourier transform
- noisy images
- natural images
- low frequency
- power spectrum
- total variation
- image processing
- denoising algorithm
- cross correlation
- wavelet domain
- distance measure
- frequency analysis
- low pass
- wavelet packet
- fourier domain
- empirical mode decomposition
- gaussian noise
- bandpass
- discrete fourier transform
- fourier analysis
- affine invariance
- frequency domain analysis
- filter bank
- facial asymmetry
- phase correlation
- frequency response
- transform domain
- radon transform