On Local Chirp Rate Estimation in Noisy Multicomponent Signals: With an Application to Mode Reconstruction.
Nils LaurentMarcelo Alejandro ColominasSylvain MeignenPublished in: IEEE Trans. Signal Process. (2022)
Keyphrases
- instantaneous frequency
- signal reconstruction
- fractional fourier transform
- compressive sensing
- frequency modulation
- image reconstruction
- fourier transform
- frequency domain
- signal processing
- multi component
- robust estimation
- error analysis
- independent component analysis
- noisy environments
- non stationary
- correlation function
- shape estimation
- log polar
- space variant
- three dimensional
- estimation error
- basis functions
- spectral analysis
- image correspondences
- low signal to noise ratio
- estimation algorithm
- maximum a posteriori probability
- image quality
- probability distribution
- high resolution