Enhanced field-of-view integral imaging display using multi-Köhler illumination

A common drawback in 3D integral imaging displays is the appearance of pseudoimages beyond the viewing angle. These pseudoimages appear when the light rays coming from each elemental image are not passing through the corresponding microlens, and a set of barriers must be used to avoid this flipping...

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Bibliographic Details
Published in:Optics express 2014-12, Vol.22 (26), p.31853-31863
Main Authors: Tolosa, Ángel, Martinez-Cuenca, Raúl, Navarro, Héctor, Saavedra, Genaro, Martínez-Corral, Manuel, Javidi, Bahram, Pons, Amparo
Format: Article
Language:English
Subjects:
Algorithms
Image Enhancement - methods
Image Interpretation, Computer-Assisted - methods
Imaging, Three-Dimensional - methods
Lighting - methods
Reproducibility of Results
Sensitivity and Specificity
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Summary:A common drawback in 3D integral imaging displays is the appearance of pseudoimages beyond the viewing angle. These pseudoimages appear when the light rays coming from each elemental image are not passing through the corresponding microlens, and a set of barriers must be used to avoid this flipping effect. We present a pure optical arrangement based on Köhler illumination to generate these barriers thus avoiding the pseudoimages. The proposed system does not use additional lenses to project the elemental images, so no optical aberrations are introduced. As an added benefit, Köhler illumination provides a higher contrast 3D display.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.22.031853