Three-Dimensional Surface Characterization by Two-Dimensional Autoregressive Models

[+] Author and Article Information
Min S. Hong, Kornel F. Ehmann

Department of Mechanical Engineering, Northwestern University, Evanston, IL

J. Tribol 117(3), 385-393 (Jul 01, 1995) (9 pages) doi:10.1115/1.2831263 History: Received March 11, 1994; Revised July 08, 1994; Online January 24, 2008


An attempt is made to characterize and synthesize engineered surfaces. The proposed method, based on two-dimensional difference equations and two-dimensional linear autoregressive models, is not only an analytical tool to characterize but also to generate/synthesize three-dimensional surfaces with desired properties. The developed method expresses important three-dimensional surface characteristics such as the autocorrelation or power spectrum density functions in terms of the two-dimensional autoregressive coefficients.

Copyright © 1995 by The American Society of Mechanical Engineers
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