Signal Activity Estimation with Built-in Noise Management in Raw Digital Images.
Angelo BoscoDavide GiacaloneArcangelo BrunaSebastiano BattiatoRosetta RizzoPublished in: VISAPP (1) (2013)
Keyphrases
- digital images
- random noise
- signal subspace
- additive noise
- low signal to noise ratio
- management system
- white noise
- signal detection
- low snr
- wide band
- received signal
- information systems
- additive gaussian noise
- noise level
- noisy data
- signal processing
- noise variance
- estimation error
- biomedical signals
- noisy environments
- low frequency
- high frequency
- frequency domain
- noise model
- data management
- impulse response
- adobe photoshop
- single channel
- quantization noise
- power spectrum
- noise removal
- signal noise ratio
- noisy images
- raw data
- weak signal
- non stationary
- maximum likelihood
- knowledge management
- stochastic resonance
- noise ratio
- original signal
- direct sequence spread spectrum
- response function
- wiener filter
- nonlinear filters
- watermarked image
- denoising methods
- gaussian noise
- noise reduction
- signal to noise ratio
- human activities
- multiresolution