Frequency-domain identification of linear systems using arbitrary excitations and a nonparametric noise model.
Johan SchoukensGerd VandersteenRik PintelonPatrick GuillaumePublished in: IEEE Trans. Autom. Control. (1999)
Keyphrases
- frequency domain
- noise model
- linear systems
- denoising
- fourier transform
- noisy images
- spatial domain
- sufficient conditions
- gaussian noise
- dynamical systems
- power spectrum
- noise level
- gaussian distribution
- feature extraction
- optimization procedure
- sparse linear systems
- subband
- image denoising
- image restoration
- natural images
- image quality
- bandpass