Minimal-MSE linear combinations of variance estimators of the sample mean.

Wheyming Tina Song Bruce W. Schmeiser

Published in: WSC (1988)

Keyphrases

linear combination
variance estimator
basis functions
low variance
von mises
small number
variance reduction
weighted sum
sparse coding
unbiased estimator
minimum mean squared error
image quality
sample size
low order
locally linear
sparse approximation
markov random field
multiscale