Title :
A complete spectral characterization of quarter-plane autoregressive models
Author :
Lawton, Wayne M.
Author_Institution :
California Institute of Technology, Pasadena, CA
fDate :
12/1/1985 12:00:00 AM
Abstract :
A necessary and sufficient condition for a stationary random field to be described by a finite quarter-plane autoregressive model is derived. The result implies that the class of stationary image textures that can be represented or approximated by such models is very restricted.
Keywords :
Cepstrum; Image restoration; Image segmentation; Image texture; Least squares approximation; Polynomials; Propulsion; Space technology; Stability; Sufficient conditions;
Journal_Title :
Acoustics, Speech and Signal Processing, IEEE Transactions on
DOI :
10.1109/TASSP.1985.1164721
