Invariance properties of generalized polarization tensors and design of shape descriptors in three dimensions

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Abstract

We derive transformation formulas for the generalized polarization tensors under rigid motions and scaling in three dimensions, and use them to construct an infinite number of invariants under those transformations. These invariants can be used as shape descriptors for dictionary matching.

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Ammari, H., Chung, D., Kang, H., & Wang, H. (2015, January 1). Invariance properties of generalized polarization tensors and design of shape descriptors in three dimensions. Applied and Computational Harmonic Analysis. Academic Press Inc. https://doi.org/10.1016/j.acha.2014.05.004

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