Parameter estimation of chirp signal under low SNR.
Jinzhen WangShaoying SuZengping ChenPublished in: Sci. China Inf. Sci. (2015)
Keyphrases
- parameter estimation
- low snr
- low signal to noise ratio
- frequency domain
- fourier transform
- least squares
- markov random field
- noise model
- maximum likelihood
- model selection
- random fields
- parameter estimation algorithm
- em algorithm
- instantaneous frequency
- estimation problems
- expectation maximization
- model fitting
- signal processing
- pairwise
- parameter estimates
- multiscale
- bayesian networks
- image segmentation
- computer vision