Optical flow on a linear compound array
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(Published version)
Date
2014
Authors
Chahl, J.S.
Editors
Lakhtakia, A.
MartinPalma, R.J.
MartinPalma, R.J.
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Conference paper
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Proceedings of SPIE, 2014 / Lakhtakia, A., MartinPalma, R.J. (ed./s), vol.9055, iss.90550B, pp.1-6
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Conference Name
Bioinspiration, biomimetics, and bioreplication (8 Mar 2014 - 12 Mar 2014 : San Deigo, CA)
Abstract
The compound eye of the insect in its simplest concept creates an image from the environment over a solid angle, yet in practice angular resolution varies significantly across most compound eyes. We have examined the case of linear optical (paraxial) arrays in which optical axes are parallel. We demonstrate that a paraxial array directly measures the speed of translation orthogonal to the optical axes, while when rotated, it detects range as a ratio of optical flow and angular velocity. A series of experiments was conducted to demonstrate the viability of the device.
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Copyright 2014 Society of Photo Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.