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Krill-eye : Superposition Compound Eye for Wide-Angle Imaging via GRIN Lenses

Author(s)
Hiura, Shinsaku; Mohan, Ankit; Raskar, Ramesh
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Abstract
We propose a novel wide angle imaging system inspired by compound eyes of animals. Instead of using a single lens, well compensated for aberration, we used a number of simple lenses to form a compound eye which produces practically distortion-free, uniform images with angular variation. The images formed by the multiple lenses are superposed on a single surface for increased light efficiency. We use GRIN (gradient refractive index) lenses to create sharply focused images without the artifacts seen when using reflection based methods for X-ray astronomy. We show the theoretical constraints for forming a blur-free image on the image sensor, and derive a continuum between 1 : 1 flat optics for document scanners and curved sensors focused at infinity. Finally, we show a practical application of the proposed optics in a beacon to measure the relative rotation angle between the light source and the camera with ID information.
Date issued
2010-05
URI
http://hdl.handle.net/1721.1/59375
Department
Massachusetts Institute of Technology. Media Laboratory; Program in Media Arts and Sciences (Massachusetts Institute of Technology)
Journal
2009 IEEE 12th International Conference on Computer Vision Workshops (ICCV Workshops)
Publisher
Institute of Electrical and Electronics Engineers
Citation
Hiura, S., A. Mohan, and R. Raskar. “Krill-eye : Superposition compound eye for wide-angle imaging via GRIN lenses.” Computer Vision Workshops (ICCV Workshops), 2009 IEEE 12th International Conference on. 2009. 2204-2211. © Copyright 2009 IEEE
Version: Final published version
Other identifiers
INSPEC Accession Number: 11284283
ISBN
978-1-4244-4442-7

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