A directional noise suppressor with an adjustable constant beamwidth for multichannel signal enhancement.
Akihiko SugiyamaRyoji MiyaharaPublished in: EUSIPCO (2015)
Keyphrases
- single channel
- random noise
- directional filters
- additive noise
- high pass
- signal detection
- white noise
- low signal to noise ratio
- frequency domain
- multi channel
- image enhancement
- stochastic resonance
- high frequency
- received signal
- noise level
- wide band
- low snr
- directional filtering
- low frequency
- noise variance
- power spectrum
- wiener filter
- biomedical signals
- additive gaussian noise
- bandpass
- noise reduction
- weak signal
- image processing
- noisy environments
- response function
- quantization noise
- direct sequence spread spectrum
- original signal
- signal reconstruction
- impulse response
- nonlinear filters
- low pass
- missing data
- non stationary
- signal processing
- low pass filter
- slowly varying
- gaussian noise
- noisy images
- signal to noise ratio
- noise ratio
- noise model
- power spectra
- noise removal
- edge detection