Affine invariants of convex polygons.
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- Record sourced from PubMed, PMID 18249733.
- Also identified by DOI 10.1109/TIP.2002.802524.
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Abstract
In this correspondence, we prove that the affine invariants, for image registration and object recognition, proposed recently by Yang and Cohen (see ibid., vol.8, no.7, p.934-46, July 1999) are algebraically dependent. We show how to select an independent and complete set of the invariants. The use of this new set leads to a significant reduction of the computing complexity without decreasing the discrimination power.