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An Exact Formula for Calculating Inverse Radial Lens Distortions

Abstract : This article presents a new approach to calculating the inverse of radial distortions. The method presented here provides a model of reverse radial distortion, currently modeled by a polynomial expression, that proposes another polynomial expression where the new coefficients are a function of the original ones. After describing the state of the art, the proposed method is developed. It is based on a formal calculus involving a power series used to deduce a recursive formula for the new coefficients. We present several implementations of this method and describe the experiments conducted to assess the validity of the new approach. Such an approach, non-iterative, using another polynomial expression, able to be deduced from the first one, can actually be interesting in terms of performance, reuse of existing software, or bridging between different existing software tools that do not consider distortion from the same point of view.
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Contributor : Julien Lefèvre Connect in order to contact the contributor
Submitted on : Tuesday, February 7, 2017 - 8:51:50 AM
Last modification on : Wednesday, November 3, 2021 - 9:47:33 AM
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Pierre Drap, Julien Lefèvre. An Exact Formula for Calculating Inverse Radial Lens Distortions. Sensors, MDPI, 2016, 16 (6), pp.807. ⟨10.3390/s16060807⟩. ⟨hal-01458821⟩



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