Enhanced Step Location in the Magnitude and Phase of an AC Signal via Polynomial Approximation Total Variation (PATV) Filtering.
Marcelo Britto MartinsPaulo A. A. EsquefRenata T. de Barros e VasconcellosPublished in: AMPS (2023)
Keyphrases
- total variation
- polynomial approximation
- denoising
- image restoration
- image denoising
- convex optimization
- regularization term
- minimization problems
- frequency domain
- blind deconvolution
- total variation regularization
- pointwise
- regularization methods
- color image restoration
- image processing
- image deblurring
- operator splitting
- multiplicative noise
- multiplicative noise removal
- noisy images
- lower bound
- additive noise
- confidence intervals
- wavelet coefficients
- wavelet transform