Optimal design and critical analysis of a high resolution video plenoptic demonstrator

Valter Drazic; Jean-Jacques Sacré; Jérôme Bertrand; Arno Schubert; Etienne Blondé

doi:10.1117/12.872852

15 February 2011 Optimal design and critical analysis of a high resolution video plenoptic demonstrator

Valter Drazic, Jean-Jacques Sacré, Jérôme Bertrand, Arno Schubert, Etienne Blondé

Proceedings Volume 7863, Stereoscopic Displays and Applications XXII; 786318 (2011) https://doi.org/10.1117/12.872852
Event: IS&T/SPIE Electronic Imaging, 2011, San Francisco Airport, California, United States

Abstract

A plenoptic camera is a natural multi-view acquisition device also capable of measuring distances by correlating a set of images acquired under different parallaxes. Its single lens and single sensor architecture have two downsides: limited resolution and depth sensitivity. In a very first step and in order to circumvent those shortcomings, we have investigated how the basic design parameters of a plenoptic camera optimize both the resolution of each view and also its depth measuring capability. In a second step, we built a prototype based on a very high resolution Red One® movie camera with an external plenoptic adapter and a relay lens. The prototype delivered 5 video views of 820x410. The main limitation in our prototype is view cross talk due to optical aberrations which reduce the depth accuracy performance. We have simulated some limiting optical aberrations and predicted its impact on the performances of the camera. In addition, we developed adjustment protocols based on a simple pattern and analyzing programs which investigate the view mapping and amount of parallax crosstalk on the sensor on a pixel basis. The results of these developments enabled us to adjust the lenslet array with a sub micrometer precision and to mark the pixels of the sensor where the views do not register properly.

Citation Download Citation

Valter Drazic, Jean-Jacques Sacré, Jérôme Bertrand, Arno Schubert, and Etienne Blondé "Optimal design and critical analysis of a high resolution video plenoptic demonstrator", Proc. SPIE 7863, Stereoscopic Displays and Applications XXII, 786318 (15 February 2011); https://doi.org/10.1117/12.872852

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