Special Section on Stereoscopic Displays and Applications

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

[+] Author Affiliations
Valter Drazic

Technicolor Research & Innovation, Video Processing and Perception Lab., 1, av. de Belle-Fontaine, CS 17616, 35576 Cesson-Sévigné Cedex, France

Jean-Jacques Sacré, Jérôme Bertrand, Etienne Blondé

Technicolor Research & Innovation, Video Processing and Perception Lab., 1, av. de Belle-Fontaine, CS 17616, 35576 Cesson-Sévigné Cedex, France

Arno Schubert

Technicolor Research & Innovation, Video Processing and Perception Lab., 1, av. de Belle-Fontaine, CS 17616, 35576 Cesson-Sévigné Cedex, France

J. Electron. Imaging. 21(1), 011007 (Feb 24, 2012). doi:10.1117/1.JEI.21.1.011007
History: Received April 22, 2011; Revised August 3, 2011; Accepted August 26, 2011
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Abstract.  A plenoptic camera is a natural multiview 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 limited depth sensitivity. As a first step and in order to circumvent those shortcomings, we investigated how the basic design parameters of a plenoptic camera optimize both the resolution of each view and 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 five video views of 820×410. The main limitation in our prototype is view crosstalk due to optical aberrations that reduce the depth accuracy performance. We simulated some limiting optical aberrations and predicted their impact on the performance of the camera. In addition, we developed adjustment protocols based on a simple pattern and analysis of programs that investigated 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 submicrometer precision and to mark the pixels of the sensor where the views do not register properly.

© 2012 SPIE and IS&T

Topics

Cameras ; Lenses ; Sensors ; Video ; Relays

Citation

Valter Drazic ; Jean-Jacques Sacré ; Arno Schubert ; Jérôme Bertrand and Etienne Blondé
"Optimal design and critical analysis of a high-resolution video plenoptic demonstrator", J. Electron. Imaging. 21(1), 011007 (Feb 24, 2012). ; http://dx.doi.org/10.1117/1.JEI.21.1.011007


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