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Light-field Microscopy with a Consumer Light-field Camera

Lois Mignard-Debise 1, 2 Ivo Ihrke 2, 1 
2 MANAO - Melting the frontiers between Light, Shape and Matter
LaBRI - Laboratoire Bordelais de Recherche en Informatique, Inria Bordeaux - Sud-Ouest, LP2N - Laboratoire Photonique, Numérique et Nanosciences
Abstract : We explore the use of inexpensive consumer light- field camera technology for the purpose of light-field mi- croscopy. Our experiments are based on the Lytro (first gen- eration) camera. Unfortunately, the optical systems of the Lytro and those of microscopes are not compatible, lead- ing to a loss of light-field information due to angular and spatial vignetting when directly recording microscopic pic- tures. We therefore consider an adaptation of the Lytro op- tical system. We demonstrate that using the Lytro directly as an oc- ular replacement, leads to unacceptable spatial vignetting. However, we also found a setting that allows the use of the Lytro camera in a virtual imaging mode which prevents the information loss to a large extent. We analyze the new vir- tual imaging mode and use it in two different setups for im- plementing light-field microscopy using a Lytro camera. As a practical result, we show that the camera can be used for low magnification work, as e.g. common in quality control, surface characterization, etc. We achieve a maximum spa- tial resolution of about 6.25{\mu}m, albeit at a limited SNR for the side views.
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Submitted on : Tuesday, December 8, 2015 - 7:29:49 PM
Last modification on : Tuesday, October 25, 2022 - 4:23:46 PM
Long-term archiving on: : Saturday, April 29, 2017 - 10:19:12 AM


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  • HAL Id : hal-01240229, version 1
  • ARXIV : 1508.03590



Lois Mignard-Debise, Ivo Ihrke. Light-field Microscopy with a Consumer Light-field Camera. 3D Vision 2015, Oct 2015, Lyon, France. ⟨hal-01240229⟩



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