Optimal nonnegative definite approximations of estimated moving average covariance sequences.

Randolph L. Moses Duixian Liu

Published in: IEEE Trans. Signal Process. (1991)

Keyphrases

moving average
autoregressive
closed form
sequential patterns
exponential smoothing
image segmentation
hidden markov models
covariance matrix
bayesian networks
multiscale
objective function
image quality
arima model