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. 1989 May 1;28(9):1613-4.
doi: 10.1364/AO.28.001613.

Rotation-invariant digital pattern recognition using circular harmonic expansion: a comment

P E Danielsson

Rotation-invariant digital pattern recognition using circular harmonic expansion: a comment

P E Danielsson. Appl Opt. .

Abstract

The signature vector method is target pattern rotationinvariant but does not discriminate well against many other patterns with a similar vector but different shapes.

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