Carles Santacana, G. , Babington, J., Wood, A., Ralph, J. F. and Harvey, A. R. (2017) Superimposed multi-resolution imaging. Optics Express, 25(26), pp. 33043-33055. (doi: 10.1364/OE.25.033043)
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Abstract
We present a novel approach to foveated imaging based on dual-aperture optics that superimpose two images on a single sensor, thus attaining a pronounced foveal function with reduced optical complexity. Each image captures the scene at a different magnification and therefore the system simultaneously captures a wide field of view and a high acuity at a central region. This approach enables arbitrary magnification ratios using a relatively simple system, which would be impossible using conventional optical design, and is of importance in applications where the cost per pixel is high. The acquired superimposed image can be processed to perform enhanced object tracking and recognition over a wider field of view and at an increased angular resolution for a given limited pixel count. Alternatively, image reconstruction can be used to separate the image components enabling the reconstruction of a foveated image for display. We demonstrate these concepts through ray-tracing simulation of practical optical systems with computational recovery.
Item Type: | Articles |
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Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | Carles Santacana, Dr Guillem and Harvey, Professor Andy |
Authors: | Carles Santacana, G., Babington, J., Wood, A., Ralph, J. F., and Harvey, A. R. |
College/School: | College of Science and Engineering > School of Physics and Astronomy |
Journal Name: | Optics Express |
Publisher: | Optical Society of America |
ISSN: | 1094-4087 |
ISSN (Online): | 1094-4087 |
Published Online: | 19 December 2017 |
Copyright Holders: | Copyright © 2017 Optical Society of America |
First Published: | First published in Optics Express 25(26):33043-33055 |
Publisher Policy: | Reproduced in accordance with the copyright policy of the publisher. |
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