Abstract
A new method to select colour channels in colour pattern recognition systems is presented to improve the chromatic discrimination capability. Instead of using the conventional RGB decomposition, we propose to use other narrow-band channels that can show more variations of the objects of a scene. This method exploits the spectral information of the objects and is useful in discriminating objects with similar colour. Simulated and experimental optical correlation results, for scenes with objects of similar colours, are presented and discussed. Model and natural objects are considered and a variety of ranges are studied.
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