Three-dimensional reconstruction of particle holograms: a fast and accurate multiscale approach.

Mozhdeh Seifi 1 Corinne Fournier 1 Loïc Denis 1 Delphine Chareyron 2, 3 Jean-Louis Marié 2
1 LHC - Laboratoire Hubert Curien [Saint Etienne]
2 LMFA - Laboratoire de Mecanique des Fluides et d'Acoustique
3 Laboratoire de Physique de l'ENSL
Abstract : In-line digital holography is an imaging technique that is being increasingly used for studying three-dimensional flows. It has been previously shown that very accurate reconstructions of objects could be achieved with the use of an inverse problem framework. Such approaches, however, suffer from higher computational times compared to less accurate conventional reconstructions based on hologram backpropagation. To overcome this computational issue, we propose a coarse-to-fine multiscale approach to strongly reduce the algorithm complexity. We illustrate that an accuracy comparable to that of state-of-the-art methods can be reached while accelerating parameter-space scanning.
Mots-clés : inverse problems Digital holography image reconstruction techniques
Type de document :
Article dans une revue
Journal of the Optical Society of America. A Optics, Image Science, and Vision, Optical Society of America, 2012, 29 (9), pp.1808. 〈10.1364/JOSAA.29.001808〉
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Mozhdeh Seifi, Corinne Fournier, Loïc Denis, Delphine Chareyron, Jean-Louis Marié. Three-dimensional reconstruction of particle holograms: a fast and accurate multiscale approach.. Journal of the Optical Society of America. A Optics, Image Science, and Vision, Optical Society of America, 2012, 29 (9), pp.1808. 〈10.1364/JOSAA.29.001808〉. 〈ujm-00744235〉

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