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Optical Engineering

Two-dimensional invariant color pattern recognition using a complex log mapping transform
Author(s): Soo-Chang Pei; Min-Jor Hsu
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Paper Abstract

We describe a complex log mapping approach for 2-D color object recognition. First, a 3-D vector color image is transformed into a 2-D vector image by projection onto a color plane, then a complex log mapping transform is applied to this 2-D vector color image for invariant pattern recognition. Using extensive computer simulations, this method can effectively recognize a scale- and rotation-changed color object among objects of similar shape but with different color contents and also among objects of different shape and color.

Paper Details

Date Published: 1 July 1993
PDF: 7 pages
Opt. Eng. 32(7) doi: 10.1117/12.138368
Published in: Optical Engineering Volume 32, Issue 7
Show Author Affiliations
Soo-Chang Pei, National Taiwan Univ. (Taiwan)
Min-Jor Hsu, National Taiwan Univ. (Taiwan)

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