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Tools for the paraxial optical design of light field imaging systems

Lois Mignard-Debise 1 
1 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 : Light field imaging is often presented as a revolution of standard imaging. Indeed, it does bring more control to the user over the final image as the spatio-angular dimensions of the light field offer the possibility to change the viewpoint and refocus after the shot and compute the scene depth map.However, it complicates the work of the optical designer of the system for two reasons. The first is that there exist a multitude of different light field acquisition devices, each with its own specific design. The second is that there is no model that relates the camera design to its optical properties of acquisition and that would guide the designer in his task. This thesis addresses these observations by proposing a first-order optical model to represent any light field acquisition device. This model abstracts a light field camera as en equivalent array of virtual cameras that exists in object space and that performs the same sampling of the scene. The model is used to study and compare several light field cameras as well as a light field microscope setup which reveals guidelines for the conception of light field optical systems. The simulations of the model are also validated through experimentation with a light field camera and a light field microscope that was constructed in our laboratory.
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Submitted on : Thursday, April 12, 2018 - 2:40:20 PM
Last modification on : Saturday, June 25, 2022 - 9:11:19 PM


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  • HAL Id : tel-01764949, version 1



Lois Mignard-Debise. Tools for the paraxial optical design of light field imaging systems. Other [cs.OH]. Université de Bordeaux, 2018. English. ⟨NNT : 2018BORD0009⟩. ⟨tel-01764949⟩



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