Increasing the Discrimination Power of Spectral Spatial Gradients

Abstract

Spectral Spatial Gradients (SSGs) have been suggested as features invariant to illumination variation for colorbased recognition and indexing. While SSGs have a greater degree of invariance than Spectral Gradients (SGs), they may have a reduced discrimination power between objects since they use only spatial changes of object reflectance. The approach… (More)
DOI: 10.1109/CVPR.2001.990980

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