Edge extraction by a class of second-order nonlinear filters

24 April 1986

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 22 (9) , 482-484
https://doi.org/10.1049/el:19860328

Abstract

The application of a class of nonlinear 2-D digital filters, based on the discrete Volterra series, as edge detectors is considered. Independence on edge orientation is achieved by the use of symmetry conditions on the coefficients. Two examples are presented.

Keywords

EDGE DETECTORS
DISCRETE VOLTERRA SERIES
COEFFICIENTS
SYMMETRY CONDITIONS
PICTURE PROCESSING
MULTIDIMENSIONAL SIGNAL PROCESSING
DIGITAL FILTERS
TWO-DIMENSIONAL TYPE
SECOND-ORDER NONLINEAR FILTERS
2D TYPE
IMAGE EDGE EXTRACTION

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