Abstract
This paper presents a global method to represent objects invariantly under Euclidean motions using Lie algebra of perceptional vector field of the objects. We focus on the linear Lie sub-algebra of the tangent or normal Lie algebra of objects and use pure local information in these Lie algebra to represent global shapes. It is shown that this simple subalgebra can represent algebraic shapes and a much wider class of non-algebraic shapes as well. In this way, an occlusion-robust and fast recognition method is derived.
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© 1997 Springer-Verlag Berlin Heidelberg
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Chao, J., Karasudani, A., Minowa, K. (1997). Invariant object representation and recognition using Lie algebra of perceptual vector fields. In: Del Bimbo, A. (eds) Image Analysis and Processing. ICIAP 1997. Lecture Notes in Computer Science, vol 1311. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-63508-4_134
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DOI: https://doi.org/10.1007/3-540-63508-4_134
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