Parameter Estimation of DSSS Signals with Modified Fourth-Order Cumulants.
Xiao-Ming ZhangZhong-Zhao ZhangPublished in: ICICIC (1) (2006)
Keyphrases
- fourth order
- parameter estimation
- noise removal
- high order
- markov random field
- image interpolation
- least squares
- model selection
- maximum likelihood
- em algorithm
- higher order statistics
- partial differential equations
- anisotropic diffusion
- random fields
- nonlinear diffusion
- expectation maximization
- estimation error
- parameter estimation algorithm
- computer vision
- independent component analysis
- parameter estimates
- noise reduction
- natural images
- motion estimation
- color images