Digital holography super-resolution for accurate three-dimensional reconstruction of particle holograms: Super résolution numérique pour la reconstruction 3D d'hologrammes de particules.

Nicolas Verrier 1 Corinne Fournier 1
1 Laboratoire Hubert Curien / Eris
LHC - Laboratoire Hubert Curien [Saint Etienne]
Abstract : In-line digital holography (DH) is used in many fields to locate and size micro or nano-objects spread in a volume. To reconstruct simple shaped objects, the optimal approach is to fit an imaging model to accurately estimate their position and their characteristic parameters. Increasing the accuracy of the reconstruction is a big issue in DH, particularly when the pixel is large or the signal-to-noise ratio is low. We suggest exploiting the information redundancy of videos to improve the reconstruction of the holograms by jointly estimating the position of the objects and the characteristic parameters. Using synthetic and experimental data, we checked experimentally that this approach can improve the accuracy of the reconstruction by a factor more than the square root of the image number.
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Nicolas Verrier, Corinne Fournier. Digital holography super-resolution for accurate three-dimensional reconstruction of particle holograms: Super résolution numérique pour la reconstruction 3D d'hologrammes de particules.. Optics Letters, Optical Society of America, 2015, 40 (2), pp.217-220. ⟨10.1364/OL.40.000217⟩. ⟨ujm-01091509v2⟩

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