Keyphrases
- random noise
- low signal to noise ratio
- additive noise
- white noise
- wide band
- signal detection
- noisy environments
- received signal
- low snr
- additive gaussian noise
- frequency domain
- missing data
- power spectra
- wiener filter
- signal processing
- noise reduction
- biomedical signals
- noise variance
- transformed image
- stochastic resonance
- direct sequence spread spectrum
- noise level
- low frequency
- signal noise ratio
- noise model
- impulse response
- spatial domain
- noise ratio
- noise removal
- single channel
- high frequency
- bandpass
- power spectrum
- short time fourier transform
- weak signal
- image denoising
- noisy images
- non stationary
- image structure
- original signal
- quantization noise
- multiplicative noise
- image noise
- compressive sensing
- pixel intensities
- heart rate