Enhancing Eigenvalue Approximation by Gradient Recovery.

Ahmed Naga Zhimin Zhang Aihui Zhou

Published in: SIAM J. Sci. Comput. (2006)

Keyphrases

piecewise constant
recovery algorithm
covariance matrix
databases
edge detection
closed form
image gradient
data sets
information retrieval
learning algorithm
computer vision
error bounds
approximation algorithms
approximation error
gradient direction